CN109511082A - Video control device and method thereof - Google Patents
Video control device and method thereof Download PDFInfo
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- CN109511082A CN109511082A CN201710826861.9A CN201710826861A CN109511082A CN 109511082 A CN109511082 A CN 109511082A CN 201710826861 A CN201710826861 A CN 201710826861A CN 109511082 A CN109511082 A CN 109511082A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000015654 memory Effects 0.000 claims abstract description 31
- 230000006837 decompression Effects 0.000 claims abstract description 13
- 238000013519 translation Methods 0.000 claims 1
- 230000014616 translation Effects 0.000 claims 1
- 241001269238 Data Species 0.000 description 27
- 230000005611 electricity Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a video and audio control device and method for a video and audio system, the video and audio control device includes: a decompression circuit for decompressing a multimedia signal to generate image data and audio data corresponding to a sound channel; an audio decoding circuit for decoding the plurality of audio data to generate decoded data corresponding to the audio channel, wherein the plurality of decoded data are stored in a memory of the audio/video system; a playing circuit for reading the plurality of decoded data from the memory to play the plurality of decoded data; and a channel output control circuit for reading the plurality of decoded data from the memory to output the plurality of decoded data to at least one mobile electronic device through at least one wireless connection, so as to allow the at least one mobile electronic device to acquire and play the plurality of decoded data.
Description
Technical field
The invention relates to the configurable family's theaters of user, and espespecially one kind can be applied to an audio-video system (such as
TV or the display for having sound output control function) audio-visual control device and associated method.
Background technique
Due to the progress of science and technology, TV has become quite universal electronic product;However, the relevant technologies often focus on electricity
The improvement of display module (such as display panel) depending in but has ignored the design of related sound output.Such as: in the machine of TV
In shell, display module generally takes up the major part in limited space, and other parts such as loudspeaker be only distributed only to it is narrow
Small space.Due to no enough spaces, the size of loudspeaker is just limited, so that the audio of TV is bad.Another example is: foundation
The size of certain a kind of design, display module seen in the front from TV is almost identical with the size of casing, therefore loudspeaker can
The rear of TV can be located at.When the direction of loudspeaker output sound is inappropriate, the audio of TV is just sacrificed.Another example is:
Under the limited situation in the space of the casing of TV, two loudspeakers are at most only set;This is intended merely to reach stereosonic base
This requirement.
Congenital limitation based on TV, has the design for the audio that switches off the TV to suffer from bottleneck in the related technology.Then, existing
Some TVs can not provide the audio such as family's theater.Therefore, it is necessary to a kind of novel framework and method, the sounds of Lai Tisheng TV
Effect.
Summary of the invention
One of the objects of the present invention is to provide the shadows that one kind can be applied to an audio-video system (such as TV or display)
Sound control device and associated method, to solve the above problems.
An at least embodiment of the invention provides a kind of audio-visual control device, and it is (such as electric to can be applied to an audio-video system
Depending on or display), which may include: a decompression circuit, for decompressing a multi-media signal, to generate shadow
As data and corresponding to the voice data of a sound channel;One audio decoder, for decoding these voice datas, with generation pair
Should be in the decoding data of the sound channel, wherein these decoding datas are stored in a memory of the audio-video system;One plays electricity
Road, for reading these decoding datas from the memory, to play these decoding datas;And a channel output control circuit,
For reading these decoding datas from the memory, the output of these decoding datas is given at least one to be wirelessly connected by least one
Electronic apparatus, to allow an at least electronic apparatus to obtain and play these decoding datas.
An at least embodiment of the invention provides a kind of method for operating an audio-visual control device, the audio-visual control dress
It sets and can be applied to an audio-video system, this method may include having the following steps: utilizing the decompression electricity in the audio-visual control device
Road decompresses a multi-media signal, to generate image data and corresponding to the voice data of a sound channel;Utilize the audio-visual control
An audio decoder in device decodes these voice datas, with generate correspond to the sound channel decoding data, wherein these
Decoding data is stored in a memory of the audio-video system;It is deposited using the playing circuit in the audio-visual control device from this
Reservoir reads these decoding datas, to play these decoding datas;And it is exported using the channel in the audio-visual control device
Control circuit reads these decoding datas from the memory, with by least one be wirelessly connected by these decoding datas output give to
A few electronic apparatus, to allow an at least electronic apparatus to obtain and play these decoding datas.
Benefit of the invention first is that, audio-visual control device of the invention and correlation technique can be applied to an audio-video system
(such as television system or display), to allow user optionally to match using multiple electronic apparatus as family's theater
Part, wherein the audio-visual control device, which can become the audio-video system together with these electronic apparatus configurations, has multi-channel sound
One family's theater of output function.Then, user's experience is promoted.In addition, based on audio-visual control device of the invention and
Correlation technique, user can possess the configurable family's theater of user, therefore puzzlement of the problems in the relevant technologies to user
It can be reduced or eliminated.
Detailed description of the invention
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates, in which:
Fig. 1 is the schematic diagram of a TV depicted in an embodiment according to the present invention.
Fig. 2 is a kind of flow chart for operating the method for an audio-visual control device of an embodiment according to the present invention.
Fig. 3 is painted a plan of establishment of the method shown in Fig. 2 in an embodiment.
Symbol description:
10 TVs
11 display panels
20 memories
33 network chips
41,42 loudspeakers
43,44 electronic apparatus
100 audio-visual control devices
110 decompression circuits
111 video processing circuits
112 playing circuits
120 dissect circuit
121,122 audio decoders
130 channel output control circuits
The step of 210 utilization decompression circuits decompress
The step of 220 utilization audio decoders decode
230 read the step of decoding data is to play out using playing circuit
240 read the step of decoding data is to be exported using channel output control circuit
DATA_L(0),DATA_R(0),
DATA_L(1),DATA_R(1),
DATA_L (2), DATA_R (2) decoding data
DATA_V shows data
Specific embodiment
The present invention provides a kind of audio-visual control device, and for operating the method for the audio-visual control device (hereinafter referred to as
For " this method ").The audio-visual control device can be applied to a TV, the audio-visual control device can make the TV respectively with various shiftings
Dynamic electronic device, which is established, to be wirelessly connected, to allow these electronic apparatus to export (audio as the sound of the TV
Output, AO) device, the audio-visual control device simultaneously can by correspond to different sound channels voice data export respectively to these movement
Electronic device makes the TV become the family's theater for having multi-channel sound output together with these electronic apparatus configurations,
Significantly to promote the audio quality of TV.Above-mentioned electronic apparatus may be, for example, (but being not limited to): multifunctional mobile telephone,
Tablet computer and Bluetooth amplifying device.
Fig. 1 is the schematic diagram of a TV depicted in an embodiment according to the present invention.As shown in Figure 1, TV 10 includes aobvious
Show panel 11, memory 20, network chip 33, loudspeaker 41 and 42 and audio-visual control device 100.Wherein, display panel 11
It can be a liquid crystal display panel, memory 20 can be a dynamic random access memory, and can in 100 implementation of audio-visual control device
For a control chip, such as systemonchip (System on Chip, SoC).Network chip 33 can be utilized for wireless network
Connection, such as Wireless Fidelity (Wi-Fi) connect.Such as: network chip 33 can be operated according to predetermined instruction to provide network clothes
Audio-video system 10 is given in business, to allow audio-video system 10 to communicate by wireless network connection to external device (ED).In addition, mobile electricity
Sub-device 43 and 44 can be the electronic device for having wireless network connection function, such as multifunctional mobile telephone and/or plate meter
Calculation machine.Under the control of audio-visual control device 100, these electronic apparatus can be configured to as the outside of audio-video system 10
Sound output device.
As shown in Figure 1, audio-visual control device 100 may include decompression circuit 110, video processing circuits 111, dissect circuit
120, audio decoder 121 and 122, playing circuit 112 and channel output control (channel output control)
Circuit 130.Such as: decompression circuit 110 can be to meet one or more audio-visual compliant compression (such as dynamic image expert groups
(MPEG) specification) decompressor.Decompression circuit 110 can decompress a multi-media signal, to generate image data and divide
Not Dui Yingyu multiple sound channels (such as left and right sound channels) voice data.Video processing circuits 111 can carry out these image datas
Video processing is to generate display data DATA_V, for the display of display panel 11.In addition, (parse) can be dissected by dissecting circuit 120
These voice datas for corresponding respectively to multiple sound channel, these voice datas are provided to give correspond respectively to multiple sound channel
Multiple audio decoders, such as correspond respectively to two audio decoders 121 and 122 of left and right sound channels.In addition, sound
Frequency decoding circuit 121 and 122 can decode these voice datas respectively, to generate the decoding data for corresponding respectively to left and right sound channels
DATA_L (0) and DATA_R (0), and decoding data DATA_L (0) and DATA_R (0) is stored in memory 20.Such as: audio
Decoding circuit 121 and 122 can be to meet one or more audio coding specifications (such as advanced audio coding (Advanced Audio
Coding, AAC) specification) decoder.In this present embodiment, playing circuit 112 and channel output control circuit 130 are readable
Take the decoding data DATA_L (0) being stored in memory 20 and DATA_R (0), wherein decoding read-out by playing circuit 112
Data DATA_L (1) and DATA_R (1) are respectively equivalent to decoding data DATA_L (0) and DATA_R (0), and channel output control
Decoding data DATA_L (2) read-out by circuit 130 and DATA_R (2) are respectively equivalent to decoding data DATA_L (0) and DATA_
R(0).Playing circuit 112 can play its read decoding data DATA_L (1) and DATA_R (1), to pass through loudspeaker respectively
The sound of 41 and 42 output left and right sound channels.Channel output control circuit 130 can pass through two wireless network connections for its institute respectively
Electronic apparatus 43 and 44 is given in the decoding data DATA_L (2) of reading and DATA_R (2) output, to allow electronic apparatus
43 and 44 obtain respectively and play decoding data DATA_L (2) and DATA_R (2).
According to the present embodiment, channel output control circuit 130 can establish TV 10 and mobile electron using network chip 33
These wireless network connections between device 43 and 44, and these wireless network connections are maintained, to allow electronic apparatus 43
It is obtained respectively with 44 and plays decoding data DATA_L (2) and DATA_R (2).Such as: channel output control circuit 130 can pass through
One or more predetermined instructions control network chip 33 establishes the two networks between TV 10 and electronic apparatus 43 and 44
Connection, and maintain these network connections.
It is further described below about the implementation detail for establishing these network connections.Channel output control circuit 130 can benefit
A dynamic apparatus configuration (dynamic device is carried out to electronic apparatus 43 and 44 with network chip 33
It allocation), will to establish these network connections for corresponding respectively to different protocol port (protocol port)
TV 10 and electronic apparatus 43 and 44 are set to the system for having multi-channel sound output.Such as: channel output control
Circuit 130 can carry out at least one scanning running using network chip 33 to find electronic apparatus 43 and 44, and establish this
A little network connections and one by one configuration electronic apparatus 43 and 44 to two protocol ports.Then, channel output control circuit 130
These network connections of two protocol ports are corresponded respectively to, using the maintenance of network chip 33 to allow electronic apparatus
43 obtain by these protocol ports respectively and play corresponding decoding data, the decoding data DATA_L of such as L channel with 44
(2) with the decoding data DATA_R (2) of right channel.
Fig. 2 is a kind of flow chart for operating the method 200 of an audio-visual control device of an embodiment according to the present invention,
Wherein method 200 can be used as an example of this method.
In step 210, audio-visual control device 100 decompresses the multi-media signal using decompression circuit 110, to generate
These image datas and voice data corresponding to a sound channel.Such as: the sound channel can represent L channel, and these voice datas
The voice data corresponding to L channel can be represented.Another example is: the sound channel can represent right channel, and these voice datas can represent pair
It should be in the voice data of right channel.
In step 220, audio-visual control device 100 decodes these voice datas using an audio decoder, to generate
Decoding data corresponding to the sound channel.Such as: audio-visual control device 100 can correspond to a left side using the decoding of audio decoder 121
These voice datas of sound channel correspond to the decoding data DATA_L (0) of L channel and by decoding data DATA_L to generate
(0) it is stored in memory 20.Another example is: audio-visual control device 100 can correspond to right channel using the decoding of audio decoder 122
These voice datas, with generate correspond to right channel decoding data DATA_R (0) and by decoding data DATA_R (0) store up
It is stored in memory 20.
In step 230, audio-visual control device 100 reads these decoding datas from memory 20 using playing circuit 112,
To play these decoding datas.Such as: audio-visual control device 100 can be corresponded to using playing circuit 112 from the reading of memory 20
The decoding data DATA_L (0) of L channel is as (1) decoding data DATA_L read-out by playing circuit 112, to play decoding
Data DATA_L (1).Another example is: audio-visual control device 100, which can be read using playing circuit 112 from memory 20, corresponds to right sound
The decoding data DATA_R (0) in road is as (1) decoding data DATA_R read-out by playing circuit 112, to play decoding data
DATA_R(1)。
In step 240, audio-visual control device 100 reads these from memory 20 using channel output control circuit 130
The output of these decoding datas is given an at least electronic apparatus to be wirelessly connected by least one, to allow this by decoding data
An at least electronic apparatus obtains and plays these decoding datas.Such as: audio-visual 100 exploitable channel of control device output control
Circuit 130 processed reads the decoding data DATA_L (0) for corresponding to L channel from memory 20 as channel output control circuit 130
Read-out decoding data DATA_L (2), number will be decoded by the network connection between TV 10 and electronic apparatus 43
Electronic apparatus 43 is given according to DATA_L (2) output, to allow electronic apparatus 43 to obtain and play decoding data DATA_L
(2).Another example is: audio-visual 100 exploitable channel output control circuit 130 of control device is read from memory 20 corresponds to right channel
Decoding data DATA_R (0) as (2) decoding data DATA_R read-out by channel output control circuit 130, to pass through electricity
Electronic apparatus 44 is given into decoding data DATA_R (2) output depending on the network connection between 10 and electronic apparatus 44, with
Allow electronic apparatus 44 to obtain and plays decoding data DATA_R (2).
According to some embodiments, step shown in Fig. 2 can be changed.Such as: in step 210,220,230 and 240
At least part can carry out simultaneously.Another example is: when the running of the step in step 210,220,230 and 240 carries out, separately
One step can start to carry out.Another example is: one or more steps can be increased newly or be modified.
Fig. 3 is painted a plan of establishment of the method 200 shown in Fig. 2 in an embodiment.Such as: TV 10 and mobile electricity
Sub-device 43 and 44 can be roughly arranged in around user.Then, user can stop (such as station or seat) in TV 10
And between electronic apparatus 43 and 44, to enjoy this family's theater.
According to some embodiments, framework shown in FIG. 1 can be changed, and wherein method 200 can accordingly change, using as
The various examples of this method.Such as: audio-visual control device 100 may include an at least processor, and in audio-visual control device 100
These circuits are embodied as being implemented in multiple program modules of the processor, wherein multiple program module can be pre-stored in one
Non-volatility memorizer and it can be loaded onto the processor, to realize the running of audio-visual control device 100, such as above-listed embodiment
In running.This another example is: audio-visual control device 100 may include at least one customized chip, and in audio-visual control device 100
A little circuits are embodied as multiple sub-circuits in the customized chip, such as above-listed to realize the running of audio-visual control device 100
Running in embodiment.Another example is: network chip 33 is desirable on behalf of one or more Bluetooth chips, and these network connections may replace
For one or more bluetooth connections, wherein the quantity of sound channel can be changed.Another example is: network chip 33 and an at least Bluetooth chip
It may be present in TV 10, and these wireless connections can include one or more of network connection and one or more bluetooth connections,
Wherein the quantity of sound channel can be changed.Another example is: an at least chip (such as network chip 33 or Bluetooth chip) can be integrated into
Enter in audio-visual control device 100.Another example is: memory 20 can be integrated into audio-visual control device 100.
According to some embodiments, the quantity of electronic apparatus can increase, and the quantity being wirelessly connected can accordingly increase.
Such as: electronic apparatus 43 is desirable on behalf of one first group of electronic apparatus, and channel output control circuit 130 can pass through electricity
Depending on one first group of network connection between 10 and first group of electronic apparatus by decoding data DATA_L (2) output give this
One group of electronic apparatus, to allow first group of electronic apparatus to obtain and play decoding data DATA_L (2).Especially
It is that channel output control circuit 130 can carry out the dynamic apparatus to first group of electronic apparatus using network chip 33 and match
It sets, to establish and maintain to correspond respectively to first group of network connection of one first group of protocol port, to allow first group of shifting
Dynamic electronic device passes through first group of protocol port respectively and obtains and play decoding data DATA_L (2), wherein first group of association
Discussing in port appoints the two different each other.Another example is: electronic apparatus 44 is desirable on behalf of one second group of electronic apparatus, and
Channel output control circuit 130 can be incited somebody to action by one second group of network connection between TV 10 and second group of electronic apparatus
Second group of electronic apparatus is given in decoding data DATA_R (2) output, to allow second group of electronic apparatus to obtain and
It plays decoding data DATA_R (2).Especially, channel output control circuit 130 can be using network chip 33 to second group of shifting
Dynamic electronic device carries out the dynamic apparatus configuration, to establish and maintain to correspond respectively to this second group of one second group of protocol port
Network connection, to allow second group of electronic apparatus to pass through second group of protocol port acquirement respectively and play decoding data
DATA_R (2) wherein appoints the two different each other in second group of protocol port.It note that appointing in first group of protocol port
Any one of one and second group of protocol port are different each other.In addition, these electronic apparatus can be roughly arranged in
Around user.Then, user can stop (such as station or seat) between TV 10 and these electronic apparatus, with
Enjoy this family's theater.
According to some embodiments, the number of user can be greater than one.Such as: multiple users can bring respective mobile electricity
Sub-device (such as: electronic apparatus 43 and 44;Another example is: first group of electronic apparatus and second group of mobile electron
Device).Then, these users can rest between TV 10 and these electronic apparatus, to enjoy this family's theater.
According to some embodiments, memory 20 can be used to store buffer data.For brevity, buffered data is accessed
Buffer path can be not painted.Primary data path can be illustrated in respectively between circuits at different levels, to point out the processing of related running
Sequentially, the processing sequence in all frameworks as shown in Figure 1.Such as: the decompression of decompression circuit 110 operates generated image number
It can be temporarily stored in memory 20 according to voice data, for subsequent conditioning circuit (such as video processing circuits 111 and anatomy circuit
120) it uses.Another example is: channel output control circuit 130 can carry out cushioning control using memory 20, distinguish TV 10 defeated
Decoding data DATA_L (2) and DATA_R (2) are to corresponding electronic apparatus 43 and 44 out.
In order to make it easy to understand, being to have example of the TV 10 of display panel 11 as audio-video system in above-listed embodiment
Son, however, the present invention is not limited thereto.According to some embodiments, audio-visual control device 100 may be disposed at various types of audio-video systems
Any one of, such as other types of TV or the various displays for having sound output control function.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (20)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710826861.9A CN109511082A (en) | 2017-09-14 | 2017-09-14 | Video control device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710826861.9A CN109511082A (en) | 2017-09-14 | 2017-09-14 | Video control device and method thereof |
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| CN109511082A true CN109511082A (en) | 2019-03-22 |
Family
ID=65744408
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| CN201710826861.9A Pending CN109511082A (en) | 2017-09-14 | 2017-09-14 | Video control device and method thereof |
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Effective date of registration: 20200414 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Applicant after: MEDIATEK Inc. Address before: 1/2, 4th floor, 26 Taiyuan Street, Zhubei City, Hsinchu County, Taiwan, China Applicant before: MStar Semiconductor, Inc. |
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Application publication date: 20190322 |