CN106601268A

CN106601268A - Multimedia data processing method and device

Info

Publication number: CN106601268A
Application number: CN201611218545.5A
Authority: CN
Inventors: 冯穗豫
Original assignee: Tencent Music Entertainment Technology Shenzhen Co Ltd
Current assignee: Tencent Music Entertainment Technology Shenzhen Co Ltd
Priority date: 2016-12-26
Filing date: 2016-12-26
Publication date: 2017-04-26
Anticipated expiration: 2036-12-26
Also published as: CN106601268B

Abstract

The embodiment of the invention discloses a multimedia data processing method and device. The method comprises a step of obtaining a target frequency distribution curve corresponding to currently played multimedia data, a step of acquiring a preset frequency distribution curve, and calculating the difference between the preset frequency distribution curve and the target frequency distribution curve on a same frequency point, and forming a difference distribution parameter corresponding to the currently played multimedia data, a step of carrying out balance adjustment of the target frequency distribution curve according to the difference distribution parameter and the correction parameter when the correction parameter corresponding to the difference distribution parameter is obtained, updating the preset frequency distribution curve according to the correction parameter, and obtaining an updated preset frequency distribution curve such that the balance adjustment of the multimedia data is carried out according to the updated preset frequency distribution curve subsequently. By using the method and the device, the playing effect of the multimedia data can be adjusted in real time according to user needs so as to meet the auditory preferences of a user.

Description

A kind of multimedia data processing method and device

Technical field

The present invention relates to communication technical field, more particularly to a kind of multimedia data processing method and device.

Background technology

With the high speed development of development of Mobile Internet technology, its corresponding mobile communication technology is also able to fast development, after And derived a kind of beautiful interface, portable music phone.The music phone has merged the communication work(of cell phone apparatus well Higher experience, therefore this music phone can be brought to user to a great extent with the playing function of musical instruments Equipment relative to traditional music playback equipment be easier to be received by user, and at present this music phone in main flow mobile phone city Very big scale is already taken up in, and has been had many consumers to instead of with music phone and traditional is sounded with oneself carrying out Music experience.

But music playback function either in music phone or the main flow playback equipment on market, such as MP4, MP3, MD Deng, its operation principle is all far from each other, by taking MP4 as an example, its play a song song operation principle include：The song that will be played File is taken out from internal memory, and reads the signal on memorizer, is transmitted the signal to decode on decoding chip, is turned by digital-to-analogue The digital signal for decoding is converted into analogue signal by parallel operation, and the simulated audio signal after digital-to-analogue conversion is amplified, and is passed through Exported by headphone outlet after low-pass filtering, so that user hears the song that need to be played.

For example, the intelligent equalization of Netease's cloud music iOS version, can select and the school mark according to the genre labels of song The balance parameters of matching are signed, i.e. song under the genre labels is only capable of being broadcast under the equalizer curve consistent with the genre labels Put so that result of broadcast is relatively simple, for example, when playing rock'n'roll, can only just select rock'n'roll equalizer curve, but It is that, for the user of the low stress of some preferences, this operation cannot but provide suitable bass in actual play and play effect Really.

Again such as, if user enables the play mode of supper bass always, in substantial amounts of audio file, for some are low The inherently very sufficient song of sound, such as many DJ dance musics, enable the sense of hearing that the fixed model would tend to occur the brain that rises, i.e., for a long time The result of broadcast of the audio file in the play mode of the supper bass is relatively fixed, and then is nothing by fixed balance parameters Method improves the result of broadcast of multi-medium data.

The content of the invention

Embodiment of the present invention technical problem to be solved is, there is provided a kind of multimedia data processing method and device, The result of broadcast of multi-medium data can be improved.

In order to solve above-mentioned technical problem, embodiment of the present invention first aspect provides a kind of multimedia-data procession side Method, including：

Obtain target frequency distribution curve corresponding with currently playing multi-medium data；

Predeterminated frequency distribution curve is obtained, and calculates the predeterminated frequency distribution curve and target frequency on identical frequency Difference between rate distribution curve, and form distribution of the difference parameter corresponding with the currently playing multi-medium data；

When corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference parameter and described Corrected parameter carries out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to the predeterminated frequency point Cloth curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal after default frequency Rate distribution curve carries out balanced adjustment to multi-medium data；

Wherein, the target frequency distribution curve and the predeterminated frequency distribution curve include frequency values and volume value it Between mapping relations.

Embodiment of the present invention second aspect provides a kind of apparatus for processing multimedia data, including：

First acquisition module, for obtaining target frequency distribution curve corresponding with currently playing multi-medium data；

Second acquisition module, for obtaining predeterminated frequency distribution curve, and calculates the predeterminated frequency point on identical frequency Difference between cloth curve and the target frequency distribution curve, and formed corresponding with the currently playing multi-medium data Distribution of the difference parameter；

Balanced update module, for when corrected parameter corresponding with the distribution of the difference parameter is got, according to described Distribution of the difference parameter and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the amendment ginseng Several that the predeterminated frequency distribution curve is updated, after being updated predeterminated frequency distribution curves, in order to follow-up basis Predeterminated frequency distribution curve after the renewal carries out balanced adjustment to multi-medium data；

The embodiment of the present invention is by obtaining target frequency distribution curve corresponding with currently playing multi-medium data；Obtain Predeterminated frequency distribution curve, and calculate on identical frequency the predeterminated frequency distribution curve and the target frequency distribution curve it Between difference, and form corresponding with currently playing multi-medium data distribution of the difference parameter；When getting and the difference During the corresponding corrected parameter of Distribution value parameter, according to the distribution of the difference parameter and the corrected parameter to the target frequency point Cloth curve carries out balanced adjustment, and the predeterminated frequency distribution curve is updated according to the corrected parameter, is updated Predeterminated frequency distribution curve afterwards, in order to subsequently be entered to multi-medium data according to the predeterminated frequency distribution curve after the renewal The balanced adjustment of row；Wherein, the target frequency distribution curve and the predeterminated frequency distribution curve include frequency values and volume Mapping relations between value.As can be seen here, multimedia processing apparatus can be according to the predeterminated frequency distribution curve on identical frequency With the difference between the target frequency distribution curve, distribution of the difference corresponding with the currently playing multi-medium data is formed Parameter, and when corrected parameter corresponding with the distribution of the difference parameter is received, can be according to the distribution of the difference parameter and institute State corrected parameter to be modified the target profile, also the predeterminated frequency can be updated according to the corrected parameter simultaneously Distribution curve, and then real-time adjustment can be carried out to the corresponding result of broadcast of multi-medium data, to strengthen the broadcasting of multi-medium data Effect.

Description of the drawings

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is a kind of schematic flow sheet of multimedia data processing method provided in an embodiment of the present invention；

Fig. 2 is the schematic flow sheet of another kind of multimedia data processing method provided in an embodiment of the present invention；

Fig. 3 is the schematic flow sheet of another multimedia data processing method provided in an embodiment of the present invention；

Fig. 4 is a kind of structural representation of apparatus for processing multimedia data provided in an embodiment of the present invention；

Fig. 5 is a kind of structural representation of the second acquisition module of behavior provided in an embodiment of the present invention；

Fig. 6 is a kind of structural representation of balanced update module provided in an embodiment of the present invention；

Fig. 7 is the structural representation of another kind of apparatus for processing multimedia data provided in an embodiment of the present invention；

Fig. 8 is the structural representation of another apparatus for processing multimedia data provided in an embodiment of the present invention.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Term " comprising " and " having " in description and claims of this specification and above-mentioned accompanying drawing and they appoint What deforms, it is intended that cover non-exclusive including.The process of series of steps or unit, method, system, product are contained for example Product or equipment are not limited to the step of listing or unit, but alternatively also include the step of not listing or unit, or Alternatively also include other steps intrinsic for these processes, method, product or equipment or unit.

The execution of the multimedia data processing method referred in the embodiment of the present invention depends on computer program, can run on On the computer system of Feng Ruoyiman systems.The computer program can it is integrated in the application, also can be used as independent tool-class Using operation.The computer system can be the terminal units such as PC, panel computer, notebook computer, smart mobile phone.

It is described in detail individually below.

Fig. 1 is referred to, is a kind of schematic flow sheet of multimedia data processing method provided in an embodiment of the present invention.As schemed Shown in 1, the multimedia data processing method at least includes：

Step S101, obtains target frequency distribution curve corresponding with currently playing multi-medium data；

Specifically, apparatus for processing multimedia data obtains the currently playing corresponding frequency values of multi-medium data and sound Target mapping relations between value, and generated and the currently playing multi-medium data pair based on the target mapping relations The target frequency distribution curve answered；

Wherein, the multi-medium data assistant device can include：Smart mobile phone, mobile internet device, wearable set It is standby or other terminal unit of music applications client can be installed.

Wherein, the size of the frequency values is used to characterize tone (sound corresponding with the currently playing multi-medium data Rank), and the size of the volume value can be used to characterize the loudness of volume corresponding with the currently playing multi-medium data.

Such as, so that currently playing multi-medium data is as lied as an example, by carrying out frequency sweep to the lied Analysis, obtains 5 Frequency points, and obtains the mapping relations between the frequency values corresponding with the lied and volume value, Further, table 1 is referred to, is mapping table corresponding with the currently playing multi-medium data；

Table 1

From above-mentioned table 1, the frequency values on frequency 1 are 62Hz, and volume value corresponding with the frequency values for- 10dB, the frequency values on frequency 2 be 125Hz, and volume value corresponding with the frequency values be -12dB, the frequency values on frequency 3 For 250Hz, and volume value corresponding with the frequency values is -9dB, and the frequency values on frequency 4 are 500Hz, and with the frequency Be worth corresponding volume value for -3dB, the frequency values on frequency 5 are 1000Hz, and volume value corresponding with the frequency values for - 4dB, and then the target mapping relations between the frequency values and the volume value can be obtained, and can be closed according to target mapping Tie up to frequency values in rectangular coordinate system as transverse axis, and using the volume value as the longitudinal axis, with further generate with it is described The corresponding target frequency distribution curve of currently playing lied.

Step S102, obtains predeterminated frequency distribution curve, and calculate on identical frequency the predeterminated frequency distribution curve with Difference between the target frequency distribution curve, and form distribution of the difference corresponding with the currently playing multi-medium data Parameter；

Specifically, the apparatus for processing multimedia data obtains predeterminated frequency corresponding with the target frequency distribution curve Distribution curve, and the initial volume value in predeterminated frequency distribution curve is extracted, and obtain in the target frequency distribution curve Target sound value, and the difference on identical frequency between the initial volume value and the target sound value is calculated, and count institute The distribution relation between difference and each frequency is stated, and the distribution relation is defined as and the currently playing multi-medium data Corresponding distribution of the difference parameter.

Such as, a head DJ dance musics are being played with the apparatus for processing multimedia data (for example, the smart mobile phone of A brands) As a example by, the smart mobile phone scanning of the A brands has 6 frequencies to the DJ dance musics, and obtains and one a pair of frequency at 6 frequencies The target sound value answered；Further, since using the user preference bass of the smart mobile phone, then the smart mobile phone of the A brands can be Predeterminated frequency distribution curve corresponding with the DJ dance musics is obtained when the DJ dance musics are played, and then can be bent in predeterminated frequency distribution In line, 6 initial volume values on identical frequency with the DJ dance musics are extracted, further, table 2 is referred to, be described working as Mathematic interpolation list of the multi-medium data of front broadcasting on identical frequency；

Frequency values (Hz)	62	125	250	500	1000	2000
							Initial volume value (dB)	-10	-12	-9	-3	-4	-20
Target sound value (dB)	-3	-6	+3	+11	+2	-20
							Difference (dB)	-7	-6	-11	-14	-6	0

Table 2

From above-mentioned table 2, it is the difference between initial volume value and the target sound value at 62Hz in frequency values For -7dB, the initial volume value at 62Hz in the target frequency distribution curve can be turned down into 7dB further；In the same manner, in frequency Rate value is that, at 125Hz, the difference between initial volume value and the target sound value is -6dB, can be distributed the target frequency Initial volume value in curve at 125Hz turns down 6dB；Can obtain in the same manner, can be by 250Hz in the target frequency distribution curve Initial volume value turns down 11dB, and the initial volume value at 500Hz in the target frequency distribution curve is turned down 14dB, and will Initial volume value in the target frequency distribution curve at 1000Hz turns down 6dB；Further, since being 2000Hz in frequency values Place, the difference between initial volume value and the target sound value are 0dB, then keep 2000Hz in the target frequency distributing line The initial volume value at place.

Additionally, according to the distribution relation between frequency values at the difference and each frequency of the acquisition, can obtain with it is described Currently playing multi-medium data (DJ dance musics) distribution of the difference parameter, now, if user is no longer to currently playing DJ dance musics pair The distribution of the difference parameter answered is modified, then the apparatus for processing multimedia data can be according to the distribution of the difference parameter to described Target frequency distribution curve carries out balanced adjustment, and the target frequency distribution curve after balanced adjustment is defaulted as the default frequency Rate distribution curve；Alternatively, if the multimedia processing apparatus receive corrected parameter corresponding with the distribution of the difference parameter, Then can further execution step S103.Wherein, for different audio files can be correspondingly formed according to user's request it is different Distribution of the difference curve.

Step S103, when corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference Parameter and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to described Predeterminated frequency distribution curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal Predeterminated frequency distribution curve afterwards carries out balanced adjustment to multi-medium data；

Specifically, the apparatus for processing multimedia data can further obtain sound corresponding with the distribution of the difference parameter Amount corrected parameter, wherein, the volume corrected parameter includes the volume gain value at least one frequency, and can be according to the difference Volume gain value in Distribution value parameter and at least one frequency, corrects at least in the target frequency distribution curve Individual volume value, and the target frequency distribution curve after adjusting is equalized, can also be according to the volume at least one frequency Yield value, adjusts the mapping relations between volume value and frequency values described in the predeterminated frequency distribution curve, and according to described Mapping relations update the predeterminated frequency distribution curve, in order to subsequently according to the predeterminated frequency distribution curve after renewal to many matchmakers Volume data carries out balanced adjustment；

Wherein, the target frequency distribution curve and the predeterminated frequency distribution curve include frequency values and volume value it Between mapping relations；

Wherein, the predeterminated frequency distribution curve phase after the target frequency distribution curve after the balanced adjustment and the renewal Together；

Such as, as a example by playing song A, according to the predeterminated frequency distribution curve to song A on identical frequency After corresponding target frequency distribution curve carries out balanced adjustment, if user still feels the volume of currently playing song A not enough Bright (the bass volume such as, at frequency values are for 8000Hz is too low), then can obtain corresponding with the multi-medium data After distribution of the difference parameter, it (is at 8000Hz such as in frequency values to receive corrected parameter corresponding with the distribution of the difference parameter Volume gain value+3dB), further to carry out balanced adjustment to the corresponding target frequency distribution curve of song A；Further Ground, refers to table 3, is the corresponding accumulative amendment information slip of song A；

Frequency values (Hz)	1000	2000	4000	8000	16000
						Initial volume value (dB)	-5	-19	-10	-18	-39
Target sound value (dB)	-10	-20	-17	-17	-39
						Difference (dB)	+5	+1	+7	-1	+0
Corrected parameter	+0	+0	+0	+3	+0

Table 3

From the corresponding accumulative amendment information slip of above-mentioned table 3, user is corresponding to song A according to the difference After volume value is modified, still think that the volume at 8000Hz not enough becomes clear, then it is 8000Hz to receive to the frequency values Lifting volume gain value (+3dB) at place, will be further added by 3dB according to the revised target sound value of difference, so relative to not For target sound value -17dB before balanced in the target frequency distribution curve, target sound value that can be after being updated Improve 3dB on the basis of (- 18dB) again, and obtain new target sound value (- 15dB), you can joined according to the distribution of the difference Number and the corrected parameter carry out balanced adjustment to the target frequency distribution curve；

Additionally, for predeterminated frequency distribution curve, then in initial sound corresponding with the predeterminated frequency distribution curve Improve 3dB on the basis of value (- 18dB) again, and initial volume value (- 15dB) after being updated, you can repaiied according to described Positive parameter is updated to the predeterminated frequency distribution curve, with the predeterminated frequency distribution curve after being updated.

As can be seen here, the apparatus for processing multimedia data obtains mesh corresponding with currently playing multi-medium data first Mark curve of frequency distribution；Then, predeterminated frequency distribution curve is obtained, and calculates the predeterminated frequency distribution curve on identical frequency Divide with the difference between the target frequency distribution curve, and formation difference corresponding with the currently playing multi-medium data Cloth parameter；Finally, when corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference parameter and The corrected parameter carries out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to the default frequency Rate distribution curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal after it is pre- If curve of frequency distribution carries out balanced adjustment to multi-medium data；Wherein, the target frequency distribution curve and the default frequency Rate distribution curve includes the mapping relations between frequency values and volume value.As can be seen here, multimedia processing apparatus can be according to phase With the difference on frequency between the predeterminated frequency distribution curve and the target frequency distribution curve, formation is currently broadcast with described The corresponding distribution of the difference parameter of multi-medium data put, and receiving corrected parameter corresponding with the distribution of the difference parameter When, the target profile can be modified according to the distribution of the difference parameter and the corrected parameter, can also be while root The predeterminated frequency distribution curve is updated according to the corrected parameter, and then can carry out reality to the corresponding result of broadcast of multi-medium data When adjust, to improve result of broadcast to the multi-medium data, and can be constantly modified according to user's request, to the greatest extent may be used The audition hobby of energy ground laminating user.

Further, Fig. 2 is referred to, is the flow process of another kind of multimedia data processing method provided in an embodiment of the present invention Schematic diagram.As shown in Fig. 2 the multimedia data processing method at least includes：

Step S201, receives the default equalization instruction to multi-medium data, and arranges each according to the default equalization instruction Volume value on frequency, and according to the mapping relations between each frequency and volume value, generate predeterminated frequency distribution curve；

Specifically, default equalization instruction of the apparatus for processing multimedia data receive user to multi-medium data, and can basis Equalizer in the balanced interface of the default equalization instruction control initializes the volume value on each frequency, and by the sound after initialization Mapping relations at value and each frequency between frequency values are defined as predeterminated frequency distribution curve；

Alternatively, in the balanced interface, equalizer can also pass through to adjust the yield value on each frequency band signals, with according to institute State yield value and initialize the volume value on corresponding frequency.Such as, 8 sections of equalizer indicate 8 scalable frequencies.Frequency is more, Just more accurate curve can be adjusted out, while difficulty is bigger.Specifically, table 4 is referred to, is that multi-medium data is corresponding default Mapping table between curve of frequency distribution medium frequency value and volume value, wherein, the apparatus for processing multimedia data is being known It is 0dB to be clipped to volume value when not playing any multi-medium data；

Table 4

Mapping table between the predeterminated frequency distribution curve medium frequency value and volume value is provided by above-mentioned table 4, can Know, when any multi-medium data is not played, the volume value for extracting is 0dB to the apparatus for processing multimedia data, then can press Volume value setting is carried out according to order from left to right, to guarantee to be configured from low to high, such as, is being carried out with equalizer After volume is arranged, it is 6dB that can obtain in the volume value that frequency values are 100Hz, is 4dB in the volume value that frequency values are 200Hz, It is -5dB in the volume value that frequency values are 400Hz, is 2dB in the volume value that frequency values are 600Hz, in frequency values for 1000Hz's Volume value is 3dB, is 4dB in the volume value that frequency values are 3000Hz, is 4dB in the volume value that frequency values are 6000Hz, in frequency Rate value is 5dB for the volume value of 8000Hz.In consideration of it,

Step S202, obtains target frequency distribution curve corresponding with currently playing multi-medium data；

Further, refer to the described currently playing multi-medium data that table 1 in embodiment corresponding to above-mentioned Fig. 1 is provided Corresponding mapping table；And from above-mentioned table 1, the frequency values on frequency 1 are 62Hz, and sound corresponding with the frequency values Value is -10dB, and the frequency values on frequency 2 are 125Hz, and volume value corresponding with the frequency values is -12dB, on frequency 3 Frequency values be 250Hz, and volume value corresponding with the frequency values be -9dB, the frequency values on frequency 4 be 500Hz, and with The corresponding volume value of the frequency values is -3dB, and the frequency values on frequency 5 are 1000Hz, and volume corresponding with the frequency values It is worth for -4dB, and then the target mapping relations between the frequency values and the volume value can be obtained, and can be according to the target Mapping relations in rectangular coordinate system using frequency values as transverse axis, and using the volume value as the longitudinal axis, further to generate Target frequency distribution curve corresponding with the currently playing lied.

Step S203, obtains predeterminated frequency distribution curve, and calculate on identical frequency the predeterminated frequency distribution curve with Difference between the target frequency distribution curve, and form distribution of the difference corresponding with the currently playing multi-medium data Parameter；

Step S204, when corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference Parameter and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to described Predeterminated frequency distribution curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal Predeterminated frequency distribution curve afterwards carries out balanced adjustment to multi-medium data；

Specifically, the apparatus for processing multimedia data can obtain volume amendment ginseng corresponding with the distribution of the difference parameter Number, wherein, the volume corrected parameter includes the volume gain value at least one frequency, and can be joined according to the distribution of the difference Volume gain value on number and at least one frequency, corrects at least one of target frequency distribution curve volume Value, and be equalized adjust after target frequency distribution curve, can also according to the volume gain value at least one frequency, The mapping relations between volume value and frequency values described in the predeterminated frequency distribution curve are adjusted, and according to the mapping relations The predeterminated frequency distribution curve is updated, in order to subsequently enter to multi-medium data according to the predeterminated frequency distribution curve after renewal The balanced adjustment of row；

Further, the corresponding accumulative amendment information slip of table 3 in embodiment corresponding to above-mentioned Fig. 1 is referred to, user is in root After being modified to the corresponding volume value of song A according to the difference, still think that the volume at 8000Hz not enough becomes clear, It is lifting volume gain value (+3dB) at 8000Hz then to receive to the frequency values, will be according to the revised target sound of difference Value is further added by 3dB, so for the target sound value -17dB in the balanced front target frequency distribution curve, Improve 3dB on the basis of target sound value (- 18dB) that can be after being updated again, and obtain new target sound value (- 15dB), you can balanced tune is carried out to the target frequency distribution curve according to the distribution of the difference parameter and the corrected parameter It is whole；

Additionally, for predeterminated frequency distribution curve, then in initial sound corresponding with the predeterminated frequency distribution curve Improve 3dB on the basis of value (- 18dB) again, and must sound the night watches it is new after initial volume value (- 15dB), you can repaiied according to described Positive parameter is updated to the predeterminated frequency distribution curve, with the predeterminated frequency distribution curve after being updated.

As can be seen here, the apparatus for processing multimedia data receives the default equalization instruction to multi-medium data first, and Volume value on each frequency is set according to the default equalization instruction, and is closed according to the mapping between each frequency and volume value System, generates predeterminated frequency distribution curve；Secondly, obtain target frequency distribution corresponding with currently playing multi-medium data bent Line；Then, predeterminated frequency distribution curve is obtained, and calculates the predeterminated frequency distribution curve and target frequency on identical frequency Difference between rate distribution curve, and form distribution of the difference parameter corresponding with the currently playing multi-medium data；Finally, When corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference parameter and the corrected parameter Balanced adjustment is carried out to the target frequency distribution curve, and the predeterminated frequency distribution curve is entered according to the corrected parameter Row updates, the predeterminated frequency distribution curve after being updated, in order to subsequently bent according to the predeterminated frequency distribution after the renewal Line carries out balanced adjustment to multi-medium data；Wherein, the target frequency distribution curve and the predeterminated frequency distribution curve are equal Including the mapping relations between frequency values and volume value.As can be seen here, the multimedia processing apparatus can be to the predeterminated frequency Distribution curve is arranged manually, and can be distributed with the target frequency according to the predeterminated frequency distribution curve on identical frequency Difference between curve, forms corresponding with currently playing multi-medium data distribution of the difference parameter, and receive with During the corresponding corrected parameter of the distribution of the difference parameter, can be according to the distribution of the difference parameter and the corrected parameter to the mesh Mark distribution curve is modified, and can also update the predeterminated frequency distribution curve according to the corrected parameter simultaneously, and then can be right The corresponding result of broadcast of multi-medium data carries out real-time adjustment, to improve the result of broadcast to the multi-medium data, and can root Constantly it is modified according to user's request, is liked with the audition of the user that fits as much as possible.

Further, Fig. 3 is referred to, is the flow process of another multimedia data processing method provided in an embodiment of the present invention Schematic diagram.As shown in figure 3, the multimedia data processing method at least includes：

Step S301, obtains the initial frequency value and initial volume value in the multi-medium data of initial play, and according to institute State the mapping relations between initial frequency value and initial volume value, generate original frequency distribution curve, and by the original frequency Distribution curve is defined as predeterminated frequency distribution curve；

Such as, user carries out multi-medium data (folk rhyme using apparatus for processing multimedia data (B brand smart mobile phones) first Song) data playback, and feel that the lied played meets the audition hobby of oneself, then, B brands intelligence handss Machine can extract initial volume value and initial frequency value in the lied, and correspondingly by the frequency values by low frequency to high frequency Data arrangement is carried out, to obtain the mapping relations between the initial frequency value and initial volume value, and by the mapping relations It is set to predeterminated frequency distribution curve.

Step S302, obtains target frequency distribution curve corresponding with currently playing multi-medium data；

Step S303, obtains predeterminated frequency distribution curve corresponding with the target frequency distribution curve, and extracts default Initial volume value in curve of frequency distribution；

Step S304, obtains the target sound value in the target frequency distribution curve, and calculates described on identical frequency Difference between initial volume value and the target sound value；

Step S305, counts the distribution relation between the difference and each frequency, and by the distribution relation be defined as with The corresponding distribution of the difference parameter of the currently playing multi-medium data；

Specifically, the multimedia processing apparatus can calculate same frequency after the predeterminated frequency distribution curve is obtained In initial volume value and the target frequency distribution curve on point in the predeterminated frequency distribution curve between target sound value Difference, and can according to the distribution relation between the difference and each frequency, formed and the currently playing multi-medium data Corresponding distribution of the difference parameter；

Further, can be found in the described currently playing multi-medium data that table 2 in embodiment corresponding to above-mentioned Fig. 1 is provided Mathematic interpolation list on identical frequency.From above-mentioned table 2, in frequency values it is at 62Hz, initial volume value and the mesh Difference between mark with phonetic symbols value is -7dB, further can be adjusted the initial volume value at 62Hz in the target frequency distribution curve Low 7dB；In the same manner, at frequency values are for 125Hz, the difference between initial volume value and the target sound value is -6dB, can Initial volume value at 125Hz in the target frequency distribution curve is turned down into 6dB；Can obtain in the same manner, can be by the target frequency Initial volume value in distribution curve at 250Hz turns down 11dB, and will be initial at 500Hz in the target frequency distribution curve Volume value turns down 14dB, and the initial volume value at 1000Hz in the target frequency distribution curve is turned down 6dB；Additionally, by At in frequency values for 2000Hz, the difference between initial volume value and the target sound value is 0dB, then keep the target Initial volume value in frequency distribution line at 2000Hz.

Additionally, according to the distribution relation between frequency values at the difference and each frequency of the acquisition, can obtain with it is described Currently playing multi-medium data (DJ dance musics) distribution of the difference parameter.Now, if user is not to currently playing DJ dance musics pair The distribution of the difference parameter answered is modified, then the apparatus for processing multimedia data can be according to the distribution of the difference parameter to described Target frequency distribution curve is adjusted, and it is bent that the target frequency distribution curve after adjustment is defaulted as the predeterminated frequency distribution Line；Alternatively, if the multimedia processing apparatus receive corrected parameter corresponding with the distribution of the difference parameter, one can be entered Step execution step S306, then, for different audio files can be correspondingly formed different distribution of the difference according to user's request Curve.

Step S306, when corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference Parameter and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to described Predeterminated frequency distribution curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal Predeterminated frequency distribution curve afterwards carries out balanced adjustment to multi-medium data；

Further, refer to the corresponding accumulative amendment of song A that table 3 in embodiment corresponding to above-mentioned Fig. 1 is provided Information slip, is not discussed here；

As can be seen here, the apparatus for processing multimedia data obtains the initial frequency in the multi-medium data of initial play first Rate value and initial volume value, and according to the mapping relations between the initial frequency value and initial volume value, generate original frequency Distribution curve, and the original frequency distribution curve is defined as into predeterminated frequency distribution curve；Secondly, obtain with it is currently playing The corresponding target frequency distribution curve of multi-medium data；Then, predeterminated frequency distribution curve is obtained, and calculates institute on identical frequency The difference between predeterminated frequency distribution curve and the target frequency distribution curve is stated, and is formed and currently playing many matchmakers The corresponding distribution of the difference parameter of volume data；Finally, when corrected parameter corresponding with the distribution of the difference parameter is got, according to The distribution of the difference parameter and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and are repaiied according to described Positive parameter is updated to the predeterminated frequency distribution curve, the predeterminated frequency distribution curve after being updated, in order to follow-up Balanced adjustment is carried out to multi-medium data according to the predeterminated frequency distribution curve after the renewal；Wherein, the target frequency point Cloth curve and the predeterminated frequency distribution curve include the mapping relations between frequency values and volume value.As can be seen here, it is described Mapping relations between the multi-medium data of initial play corresponding frequency values and volume value can be given tacit consent to by multimedia processing apparatus For the predeterminated frequency distribution curve, and the predeterminated frequency distribution curve and the target frequency point on identical frequency can be calculated Difference between cloth curve, to form distribution of the difference parameter corresponding with the currently playing multi-medium data, and is receiving During to corrected parameter corresponding with the distribution of the difference parameter, can be according to the distribution of the difference parameter and the corrected parameter to institute State target profile to be modified, also the predeterminated frequency distribution curve can be updated according to the corrected parameter simultaneously, and then Real-time adjustment can be carried out to the corresponding result of broadcast of multi-medium data according to user's request, to improve to the multi-medium data Result of broadcast, and can be constantly modified according to user's request, liked with the audition of the user that fits as much as possible.

Further, then Fig. 4 is referred to, is a kind of structure of apparatus for processing multimedia data provided in an embodiment of the present invention Schematic diagram.As shown in figure 4, the apparatus for processing multimedia data 1 at least includes：First acquisition module 10, the second acquisition module 20 and balanced update module 30；

First acquisition module 10, it is bent for obtaining target frequency distribution corresponding with currently playing multi-medium data Line

Specifically, first acquisition module 10 in the apparatus for processing multimedia data 1, can work as specifically for obtaining Target mapping relations between the corresponding frequency values of multi-medium data of front broadcasting and volume value, and reflected based on the target Penetrate relation and generate target frequency distribution curve corresponding with the currently playing multi-medium data；

Wherein, the multi-medium data assistant device 1 can include：Smart mobile phone, mobile internet device, wearable set It is standby or other terminal unit of music applications client can be installed.

Further, refer to the described currently playing multi-medium data that table 1 in embodiment corresponding to above-mentioned Fig. 1 is provided Corresponding mapping table, is no longer repeated here one by one.

Second acquisition module 20, for obtaining predeterminated frequency distribution curve, and calculates described default on identical frequency Difference between curve of frequency distribution and the target frequency distribution curve, and formed and the currently playing multi-medium data Corresponding distribution of the difference parameter；

Specifically, second acquisition module 20, can be used to obtain corresponding with the target frequency distribution curve default Curve of frequency distribution, and the initial volume value in predeterminated frequency distribution curve is extracted, and obtain the target frequency distribution curve In target sound value, and calculate the difference on identical frequency between the initial volume value and the target sound value, and unite The distribution relation between the difference and each frequency is counted, and the distribution relation is defined as and the currently playing multimedia The corresponding distribution of the difference parameter of data.

Further, Fig. 5 is referred to, is a kind of structural representation of second acquisition module provided in an embodiment of the present invention. As shown in figure 5, second acquisition module 20 at least includes：Volume extraction unit 201, difference computational unit 202, parameter determination Unit 203；

The volume extraction unit 201, can be used to obtain predeterminated frequency point corresponding with the target frequency distribution curve Cloth curve, and extract the initial volume value in predeterminated frequency distribution curve；

The difference computational unit 202, can be used to obtain the target sound value in the target frequency distribution curve, and counts Calculate the difference between the initial volume value and the target sound value on identical frequency；

The parameter determination unit 203, can be used to count the distribution relation between the difference and each frequency, and will be described Distribution relation is defined as distribution of the difference parameter corresponding with the currently playing multi-medium data.

Such as, playing B songs with the apparatus for processing multimedia data 1 (for example, the music phone of C brands) is Example, the music phone of the C brands can scan 6 frequencies corresponding with the B songs, and obtain when the broadcasting of B songs is carried out With the one-to-one target sound value of frequency at 6 frequencies；

At the same time, due to the sound that the user preference using the music phone is brighter, then the music phone of the C brands Predeterminated frequency distribution corresponding with the B songs can be obtained by the volume extraction unit 201 bent in the B playback of songs Line, so that the volume of the B songs during broadcasting can become clear, to extract in the predeterminated frequency distribution curve To with 6 initial volume values on the corresponding identical frequency of the B songs, further, refer to table 5, be described currently playing Mathematic interpolation list of the multi-medium data on identical frequency；

Frequency values (Hz)	62	125	250	500	1000	2000
							Initial volume value (dB)	-10	-12	-9	-3	-4	-20
Target sound value (dB)	-13	-18	-20	-17	-10	-20
							Difference (dB)	+3	+6	+11	+14	+6	0

Table 5

From above-mentioned table 5, after the difference computational unit 202 carries out mathematic interpolation on identical frequency, can obtain To being that, at 62Hz, the difference between initial volume value and the target sound value is+3dB in frequency values, can be by target frequency Initial volume value in rate distribution curve at 62Hz lifts 3dB；In the same manner, it is initial volume value and institute at 125Hz in frequency values The difference stated between target sound value is+6dB, can be put forward the initial volume value at 125Hz in the target frequency distribution curve Rise 6dB；Can obtain in the same manner, the initial volume value at 250Hz in the target frequency distribution curve can be lifted 11dB, and will be described Initial volume value in target frequency distribution curve at 500Hz lifts 14dB, and by the target frequency distribution curve Initial volume value at 1000Hz lifts 6dB；Further, since being initial volume value and the target at 2000Hz in frequency values Difference between volume value is 0dB, then keep the initial volume value at 2000Hz in the target frequency distributing line.

Additionally, according to the distribution relation between frequency values at the difference and each frequency obtained in above-mentioned table 5, may be used also Distribution of the difference parameter corresponding with the currently playing multi-medium data is obtained by the parameter determination unit 203.Now, If user is no longer modified to the currently playing corresponding distribution of the difference parameter of DJ dance musics, the multimedia-data procession dress Put 1 to be adjusted the target frequency distribution curve according to the distribution of the difference parameter, and by the target frequency after adjustment Distribution curve is defaulted as the predeterminated frequency distribution curve；Alternatively, if the multimedia processing apparatus 1 are received and the difference The corresponding corrected parameter of Distribution value parameter, then can control the balanced update module 30 and further perform above-mentioned Fig. 1 correspondences enforcement Step S103 in example.It can be seen that, for different audio files can be correspondingly formed different distribution of the difference curves, can also basis The target frequency distribution curve is further corrected in user's request, and further updates the predeterminated frequency distribution curve.

The balanced update module 30, for when corrected parameter corresponding with the distribution of the difference parameter is got, root Balanced adjustment is carried out to the target frequency distribution curve according to the distribution of the difference parameter and the corrected parameter, and according to described Corrected parameter is updated to the predeterminated frequency distribution curve, the predeterminated frequency distribution curve after being updated, in order to rear It is continuous that balanced adjustment is carried out to multi-medium data according to the predeterminated frequency distribution curve after the renewal；

Specifically, the balanced update module 30, can be used to obtain volume amendment corresponding with the distribution of the difference parameter Parameter, wherein, the volume corrected parameter includes the volume gain value at least one frequency, and can be according to the distribution of the difference Volume gain value in parameter and at least one frequency, corrects at least one of target frequency distribution curve volume Value, and be equalized adjust after target frequency distribution curve, can also according to the volume gain value at least one frequency, The mapping relations between volume value and frequency values described in the predeterminated frequency distribution curve are adjusted, and according to the mapping relations The predeterminated frequency distribution curve is updated, in order to subsequently enter to multi-medium data according to the predeterminated frequency distribution curve after renewal The balanced adjustment of row；

Further, Fig. 6 is referred to, is a kind of structural representation of balanced update module provided in an embodiment of the present invention. As shown in fig. 6, the balanced update module 30 at least includes：Parameter acquiring unit 301, the first updating block 302, second updates Unit 303；

The parameter acquiring unit 301, can be used to obtain corrected parameter corresponding with the distribution of the difference parameter, wherein, The corrected parameter includes the volume gain value at least one frequency；

First updating block 302, can be used for according in the distribution of the difference parameter and at least one frequency At least one of target frequency distribution curve volume value described in volume gain value amendment, and according to revised described at least one Individual volume value updates the mapping relations between the volume value and frequency values, with to the currently playing multi-medium data correspondence Target frequency distribution curve carry out balanced adjustment；

Second updating block 303, can be used for according to the volume gain value at least one frequency, and adjustment is described Mapping relations described in predeterminated frequency distribution curve between volume value and frequency values, and according to the mapping relations update Predeterminated frequency distribution curve, in order to subsequently be carried out to multi-medium data according to the predeterminated frequency distribution curve after the renewal Weighing apparatus adjustment.

For the embodiment of the present invention as can be seen here, the apparatus for processing multimedia data is obtained and currently playing many matchmakers first The corresponding target frequency distribution curve of volume data；Then, predeterminated frequency distribution curve is obtained, and calculates described pre- on identical frequency If the difference between curve of frequency distribution and the target frequency distribution curve, and formed and the currently playing multimedia number According to corresponding distribution of the difference parameter；Finally, when corrected parameter corresponding with the distribution of the difference parameter is got, according to described Distribution of the difference parameter and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the amendment ginseng Several that the predeterminated frequency distribution curve is updated, after being updated predeterminated frequency distribution curves, in order to follow-up basis Predeterminated frequency distribution curve after the renewal carries out balanced adjustment to multi-medium data；Wherein, the target frequency distribution is bent Line and the predeterminated frequency distribution curve include the mapping relations between frequency values and volume value.As can be seen here, at multimedia Reason device can be according to the difference on identical frequency between the predeterminated frequency distribution curve and the target frequency distribution curve, shape Into distribution of the difference parameter corresponding with the currently playing multi-medium data, and receiving and the distribution of the difference parameter pair During the corrected parameter answered, the target profile can be repaiied according to the distribution of the difference parameter and the corrected parameter Just, also the predeterminated frequency distribution curve can be updated according to the corrected parameter simultaneously, and then can be corresponding to multi-medium data Result of broadcast carries out real-time adjustment, to improve the result of broadcast to the multi-medium data, and can be according to user's request constantly It is modified, is liked with the audition of the user that fits as much as possible.

Further, Fig. 7 is referred to, is the structure of another kind of apparatus for processing multimedia data provided in an embodiment of the present invention Schematic diagram.As shown in fig. 7, the apparatus for processing multimedia data 1 is obtained comprising described first in embodiment corresponding to above-mentioned Fig. 4 Delivery block 10, the second acquisition module 20 and balanced update module 30, the apparatus for processing multimedia data 1 also include：First is pre- If module 40 and the second presetting module 50；

First presetting module 40, can be used to receive the default equalization instruction to multi-medium data, and according to described pre- If equalization instruction adjusts the volume value on each frequency, and according to the mapping relations between each frequency and volume value, generates pre- If curve of frequency distribution；

Second presetting module 50, can be used to obtaining initial frequency value in the multi-medium data of initial play and initial Volume value, and according to the mapping relations between the initial frequency value and initial volume value, original frequency distribution curve is generated, and The original frequency distribution curve is defined as into predeterminated frequency distribution curve；

As can be seen here, the apparatus for processing multimedia data receives the default equalization instruction to multi-medium data first, and Volume value on each frequency is set according to the default equalization instruction, and is closed according to the mapping between each frequency and volume value System, generates predeterminated frequency distribution curve, or obtains the initial frequency value and initial volume in the multi-medium data of initial play Value, and according to the mapping relations between the initial frequency value and initial volume value, generates original frequency distribution curve, and by institute State original frequency distribution curve and be defined as predeterminated frequency distribution curve；Secondly, obtain corresponding with currently playing multi-medium data Target frequency distribution curve；Then, predeterminated frequency distribution curve is obtained, and calculates the predeterminated frequency distribution on identical frequency Difference between curve and the target frequency distribution curve, and form difference corresponding with the currently playing multi-medium data Distribution value parameter；Finally, when corrected parameter corresponding with the distribution of the difference parameter is got, joined according to the distribution of the difference Number and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to described pre- If curve of frequency distribution is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal after Predeterminated frequency distribution curve balanced adjustment is carried out to multi-medium data；Wherein, the target frequency distribution curve and described pre- If curve of frequency distribution includes the mapping relations between frequency values and volume value.As can be seen here, the multimedia processing apparatus The predeterminated frequency distribution curve can be arranged manually or be given tacit consent to frequency values in the multi-medium data played first and Mapping relations between volume value are the predeterminated frequency distribution curve, and can be according to the predeterminated frequency distribution on identical frequency Difference between curve and the target frequency distribution curve, forms difference corresponding with the currently playing multi-medium data Distributed constant, and when corrected parameter corresponding with the distribution of the difference parameter is received, can be according to the distribution of the difference parameter The target profile is modified with the corrected parameter, can also update described default according to the corrected parameter simultaneously Curve of frequency distribution, and then real-time adjustment can be carried out to the corresponding result of broadcast of multi-medium data, to improve to the multimedia The result of broadcast of data, and can be constantly modified according to user's request, liked with the audition of the user that fits as much as possible.

Further, then Fig. 8 is referred to, is the knot of another apparatus for processing multimedia data provided in an embodiment of the present invention Structure schematic diagram, as shown in figure 8, the apparatus for processing multimedia data 1000 can include：At least one processor 1001, for example CPU, at least one network interface 1004, user interface 1003, memorizer 1005, at least one communication bus 1002.Wherein, lead to Letter bus 1002 is used to realize the connection communication between these components.Wherein, user interface 1003 can include display screen (Display), keyboard (Keyboard), optional user interface 1003 can also include wireline interface, the wave point of standard.Net Network interface 1004 can optionally include wireline interface, the wave point (such as WI-FI interfaces) of standard.Memorizer 1005 can be High-speed RAM memorizer, or non-labile memorizer (non-volatile memory), for example, at least one disk Memorizer.Memorizer 1005 optionally can also be at least one storage device for being located remotely from aforementioned processor 1001.Such as Fig. 8 It is shown, as operating system, network communication module, Yong Hujie can be included in a kind of memorizer 1005 of computer-readable storage medium Mouth mold block and equipment control application program.

In the apparatus for processing multimedia data 1000 shown in Fig. 8, user interface 1003 is mainly used in providing the user defeated The interface for entering, obtains the data of user's output；And the equipment control that processor 1001 is stored in can be used for calling memorizer 1005 Application program processed, to realize：

In one embodiment, the processor 1001 is corresponding with currently playing multi-medium data in the execution acquisition Target frequency distribution curve before, also perform following steps：

The default equalization instruction to multi-medium data is received, and the sound on each frequency is set according to the default equalization instruction Value, and according to the mapping relations between each frequency and volume value, generate predeterminated frequency distribution curve.

Alternatively, in one embodiment, the processor 1001 is performing the acquisition and currently playing multimedia Before the corresponding target frequency distribution curve of data, following steps are also performed：

The initial frequency value and initial volume value in the multi-medium data of initial play is obtained, and according to the original frequency Mapping relations between value and initial volume value, generate original frequency distribution curve, and will be the original frequency distribution curve true It is set to predeterminated frequency distribution curve.

In one embodiment, the processor 1001 is corresponding with currently playing multi-medium data in the execution acquisition Target frequency distribution curve when, it is also concrete to perform following steps：

The target mapping relations between the currently playing corresponding frequency values of multi-medium data and volume value are obtained, and Target frequency distribution curve corresponding with the currently playing multi-medium data is generated based on the target mapping relations.

In one embodiment, the processor 1001 is performing the acquisition predeterminated frequency distribution curve, and calculates phase With the difference on frequency between the predeterminated frequency distribution curve and the target frequency distribution curve, and form current with described It is during the corresponding distribution of the difference parameter of the multi-medium data of broadcasting, also concrete to perform following steps：

Predeterminated frequency distribution curve corresponding with the target frequency distribution curve is obtained, and it is bent to extract predeterminated frequency distribution Initial volume value in line；

The target sound value in the target frequency distribution curve is obtained, and calculates the initial volume value on identical frequency With the difference between the target sound value；

The distribution relation between the difference and each frequency is counted, and the distribution relation is defined as currently broadcasting with described The corresponding distribution of the difference parameter of multi-medium data put.

In one embodiment, the processor 1001 is described corresponding with the distribution of the difference parameter when getting in execution Corrected parameter when, equilibrium is carried out to the target frequency distribution curve according to the distribution of the difference parameter and the corrected parameter Adjustment, and the predeterminated frequency distribution curve is updated according to the corrected parameter, the predeterminated frequency after being updated point Cloth curve, during in order to balanced adjustment is carried out to multi-medium data according to the predeterminated frequency distribution curve after the renewal subsequently, Following steps are specifically performed also：

Obtain corresponding with distribution of the difference parameter volume corrected parameter, wherein, the volume corrected parameter include to Volume gain value on a few frequency；

The target frequency according to the volume gain value amendment in the distribution of the difference parameter and at least one frequency At least one of distribution curve volume value, and it is equalized the target frequency distribution curve after adjusting；

According to the volume gain value at least one frequency, volume described in the predeterminated frequency distribution curve is adjusted Mapping relations between value and frequency values, and the predeterminated frequency distribution curve is updated according to the mapping relations, in order to rear It is continuous that balanced adjustment is carried out to multi-medium data according to the predeterminated frequency distribution curve after renewal；

Wherein, the predeterminated frequency distribution curve phase after the target frequency distribution curve after the balanced adjustment and the renewal Together.

As can be seen here, apparatus for processing multimedia data 1000 obtains mesh corresponding with currently playing multi-medium data first Mark curve of frequency distribution；Then, predeterminated frequency distribution curve is obtained, and calculates the predeterminated frequency distribution curve on identical frequency Divide with the difference between the target frequency distribution curve, and formation difference corresponding with the currently playing multi-medium data Cloth parameter；Finally, when corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference parameter and The corrected parameter carries out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter to the default frequency Rate distribution curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the renewal after it is pre- If curve of frequency distribution carries out balanced adjustment to multi-medium data.It can be seen that, the multimedia processing apparatus 1000 can pass through described Mapping relations extract the target sound value in the target frequency distribution curve, and extract in the predeterminated frequency distribution curve Initial volume value, and calculate the difference on identical frequency between the target sound value and the initial volume value, to obtain Distribution of the difference parameter corresponding with the currently playing multi-medium data；Subsequently, connect in the multimedia processing apparatus 1000 When receiving corrected parameter corresponding with the distribution of the difference parameter, the predeterminated frequency distribution can be updated according to the corrected parameter Curve, in order to subsequently the target frequency distribution curve are adjusted to the predeterminated frequency distribution curve as much as possible.Enter And the result of broadcast of multi-medium data can be adjusted according to user's request in real time, and can constantly be repaiied according to user's request Just, liked with the audition of the user that fits as much as possible.

One of ordinary skill in the art will appreciate that all or part of flow process in realizing above-described embodiment method, can be Instruct related hardware to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..

Above disclosed is only present pre-ferred embodiments, and the right model of the present invention can not be limited certainly with this Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope covered by the present invention.

Claims

1. a kind of multimedia data processing method, it is characterised in that include：

Predeterminated frequency distribution curve is obtained, and calculates the predeterminated frequency distribution curve and the target frequency point on identical frequency Difference between cloth curve, and form distribution of the difference parameter corresponding with the currently playing multi-medium data；

When corrected parameter corresponding with the distribution of the difference parameter is got, according to the distribution of the difference parameter and the amendment Parameter carries out balanced adjustment to the target frequency distribution curve, and bent to predeterminated frequency distribution according to the corrected parameter Line is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to the predeterminated frequency after the renewal point Cloth curve carries out balanced adjustment to multi-medium data；

Wherein, the target frequency distribution curve and the predeterminated frequency distribution curve are included between frequency values and volume value Mapping relations.

2. method according to claim 1, it is characterised in that obtain corresponding with currently playing multi-medium data described Target frequency distribution curve before, also include：

The default equalization instruction to multi-medium data is received, and the volume on each frequency is set according to the default equalization instruction Value, and according to the mapping relations between each frequency and volume value, generate predeterminated frequency distribution curve.

3. method according to claim 1, it is characterised in that obtain corresponding with currently playing multi-medium data described Target frequency distribution curve before, also include：

Obtain the initial frequency value and initial volume value in the multi-medium data of initial play, and according to the initial frequency value and Mapping relations between initial volume value, generate original frequency distribution curve, and the original frequency distribution curve are defined as Predeterminated frequency distribution curve.

4. method according to claim 1, it is characterised in that the acquisition is corresponding with currently playing multi-medium data Target frequency distribution curve, including：

The target mapping relations between the currently playing corresponding frequency values of multi-medium data and volume value are obtained, and is based on The target mapping relations generate target frequency distribution curve corresponding with the currently playing multi-medium data.

5. method according to claim 3, it is characterised in that the acquisition predeterminated frequency distribution curve, and calculate identical Difference on frequency between the predeterminated frequency distribution curve and the target frequency distribution curve, and formed currently broadcast with described The corresponding distribution of the difference parameter of multi-medium data put, including：

Predeterminated frequency distribution curve corresponding with the target frequency distribution curve is obtained, and is extracted in predeterminated frequency distribution curve Initial volume value；

The target sound value in the target frequency distribution curve is obtained, and calculates the initial volume value and institute on identical frequency State the difference between target sound value；

The distribution relation between the difference and each frequency is counted, and the distribution relation is defined as currently playing with described The corresponding distribution of the difference parameter of multi-medium data.

6. method according to claim 1, it is characterised in that described corresponding with the distribution of the difference parameter when get During corrected parameter, balanced tune is carried out to the target frequency distribution curve according to the distribution of the difference parameter and the corrected parameter It is whole, and the predeterminated frequency distribution curve is updated according to the corrected parameter, the predeterminated frequency distribution after being updated Curve, in order to subsequently balanced adjustment be carried out to multi-medium data according to the predeterminated frequency distribution curve after the renewal, including：

Volume corrected parameter corresponding with the distribution of the difference parameter is obtained, wherein, the volume corrected parameter includes at least one Volume gain value on individual frequency；

The target frequency distribution according to the volume gain value amendment in the distribution of the difference parameter and at least one frequency At least one of curve volume value, and it is equalized the target frequency distribution curve after adjusting；

According to the volume gain value at least one frequency, adjust volume value described in the predeterminated frequency distribution curve with Mapping relations between frequency values, and the predeterminated frequency distribution curve is updated according to the mapping relations, in order to follow-up root Balanced adjustment is carried out to multi-medium data according to the predeterminated frequency distribution curve after renewal；

Wherein, the target frequency distribution curve after the balanced adjustment is identical with the predeterminated frequency distribution curve after the renewal.

7. a kind of apparatus for processing multimedia data, it is characterised in that include：

Second acquisition module, for obtaining predeterminated frequency distribution curve, and it is bent to calculate the predeterminated frequency distribution on identical frequency Difference between line and the target frequency distribution curve, and form difference corresponding with the currently playing multi-medium data Distributed constant；

Balanced update module, for when corrected parameter corresponding with the distribution of the difference parameter is got, according to the difference Distributed constant and the corrected parameter carry out balanced adjustment to the target frequency distribution curve, and according to the corrected parameter pair The predeterminated frequency distribution curve is updated, the predeterminated frequency distribution curve after being updated, in order to subsequently according to described Predeterminated frequency distribution curve after renewal carries out balanced adjustment to multi-medium data；

8. device according to claim 7, it is characterised in that also include：

First presetting module, for receiving the default equalization instruction to multi-medium data, and adjusts according to the default equalization instruction Volume value on whole each frequency, and according to the mapping relations between each frequency and volume value, generate predeterminated frequency distribution bent Line.

9. device according to claim 7, it is characterised in that also include：

Second presetting module, for obtaining initial frequency value and initial volume value in the multi-medium data of initial play, and root According to the mapping relations between the initial frequency value and initial volume value, original frequency distribution curve is generated, and will be described initial Curve of frequency distribution is defined as predeterminated frequency distribution curve.

10. device according to claim 7, it is characterised in that

First acquisition module, specifically for obtaining the currently playing corresponding frequency values of multi-medium data and volume value Between target mapping relations, and based on the target mapping relations generate it is corresponding with the currently playing multi-medium data Target frequency distribution curve.

11. devices according to claim 9, it is characterised in that second acquisition module, including：

Volume extraction unit, for obtaining predeterminated frequency distribution curve corresponding with the target frequency distribution curve, and extracts Initial volume value in predeterminated frequency distribution curve；

Difference computational unit, for obtaining the target sound value in the target frequency distribution curve, and calculates on identical frequency Difference between the initial volume value and the target sound value；

Parameter determination unit, for counting the distribution relation between the difference and each frequency, and the distribution relation is determined It is distribution of the difference parameter corresponding with the currently playing multi-medium data.

12. devices according to claim 7, it is characterised in that the balanced update module, including：

Parameter acquiring unit, for obtaining corrected parameter corresponding with the distribution of the difference parameter, wherein, the corrected parameter bag Include the volume gain value at least one frequency；

First updating block, for according to the volume gain value amendment in the distribution of the difference parameter and at least one frequency At least one of target frequency distribution curve volume value, and institute is updated according to revised at least one volume value The mapping relations between volume value and frequency values are stated, with to the corresponding target frequency distribution of the currently playing multi-medium data Curve carries out balanced adjustment；

Second updating block, for according to the volume gain value at least one frequency, adjusting the predeterminated frequency distribution Mapping relations described in curve between volume value and frequency values, and the predeterminated frequency distribution is updated according to the mapping relations Curve, in order to subsequently carry out balanced adjustment to multi-medium data according to the predeterminated frequency distribution curve after the renewal；