CN111601219A - Method and equipment for adaptively adjusting sound field balance - Google Patents
Method and equipment for adaptively adjusting sound field balance Download PDFInfo
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- CN111601219A CN111601219A CN202010484492.1A CN202010484492A CN111601219A CN 111601219 A CN111601219 A CN 111601219A CN 202010484492 A CN202010484492 A CN 202010484492A CN 111601219 A CN111601219 A CN 111601219A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 55
- 230000005236 sound signal Effects 0.000 claims abstract description 35
- 238000003491 array Methods 0.000 claims description 14
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
- H04R1/265—Spatial arrangements of separate transducers responsive to two or more frequency ranges of microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
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- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Stereophonic System (AREA)
Abstract
The invention discloses a method and equipment for adaptively adjusting sound field balance, and relates to the field of sound adjustment of audio and video equipment. The method comprises the following steps: when a person or a plurality of loudspeaker box devices are in a mobile state, the relative positions of the person and the loudspeaker box devices are obtained, sound signal output of the loudspeaker box devices is dynamically adjusted according to the relative positions, the central balance points of the loudspeaker box devices are adjusted to the positions of the person, the positions confirmed by the system are used as the balance points of the loudspeaker box devices, signal gains of all the loudspeaker boxes are adjusted, the positions can achieve the best sound effect, and the best sound effect can be achieved no matter where the person sits through the dynamic balance points.
Description
Technical Field
The invention relates to the field of sound regulation of audio and video equipment, in particular to a method and equipment for adaptively regulating sound field balance.
Background
At present, audio and video equipment has multiple channels, but the sound balance of each channel is basically set initially, and some high-order users can perform manual configuration after installation so as to achieve the optimal sound channel balance effect. However, as the portability and sound effect of products are improved, the products are not limited to a certain scene or place but are moved continuously, so that for the characteristics, the sound balance effect with high quality cannot be obtained in the dynamic scene through the existing manual configuration before installation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method and equipment for adaptively adjusting the balance of a sound field aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
a method of adaptively adjusting sound field balance, comprising: s1, when the person or the sound box devices are in a moving state, acquiring the relative positions of the person and the sound box devices;
and S2, dynamically adjusting the sound signal output of the sound box devices according to the relative positions, and adjusting the center balance points of the sound box devices to the positions of people.
The invention has the beneficial effects that: according to the scheme, when a person or each sound box device is in a moving state, the relative position of the person and each sound box device is obtained, the sound signal output of each sound box is dynamically adjusted according to the relative position, the center balance point of each sound box is adjusted to the position of the person, the position confirmed by a system is used as the balance point of the sound box device, the signal gain of each sound box is adjusted, the position can achieve the best sound effect, and the best sound effect can be achieved no matter where the person sits through the dynamic balance point.
Further, the acquiring the relative positions of the person and the plurality of speaker devices specifically includes: and positioning the relative position of the person and the plurality of loudspeaker box devices through far-field voice technology.
The beneficial effect of adopting the further scheme is that: the scheme positions the relative position of the person and each sound box device through the far-field speech technology, and realizes that the system adjusts the balance parameters of each sound channel through the relative position, thereby enabling the listener to obtain the best sound balance effect at any time and any place.
Further, automatically adjusting the sound signal output of the plurality of speaker devices according to the relative position specifically includes: and adjusting the balance parameters of each sound channel of each sound box by taking the position of the person as a balance point, and adjusting the sound signal value according to the surround effect.
The beneficial effect of adopting the further scheme is that: the balance parameters of each sound channel of each sound box are adjusted by taking the position of a person as a balance point, the sound signal value is adjusted according to the surrounding effect, the effect that the product is not limited to a certain scene or place is achieved, the position of the person is taken as the balance point when the product is continuously moved, the balance parameters and the surrounding effect of each sound channel of each sound box are dynamically adjusted, the sound effect is not only the best effect of the balance point on the central axis of the sound box equipment, and the best sound effect can be achieved in other positions.
Further, each loudspeaker device comprises at least three microphone arrays.
The beneficial effect of adopting the further scheme is that: according to the scheme, at least three microphone arrays are arranged on each sound box device, and at least three microphone arrays are arranged on the sound box devices, so that the relative position is obtained.
Further, each sound box device comprises a sound box device with at least one sound channel from 2.1 sound channels to 7.1 sound channels.
Another technical solution of the present invention for solving the above technical problems is as follows:
an apparatus for adaptively adjusting sound field balance, comprising: the microphone array module, the sound signal adjusting module and the audio box device are arranged in the audio box;
the microphone array module is used for acquiring the relative positions of a person and a plurality of sound box devices when the person or the sound box devices are in a moving state;
the sound signal adjusting module is used for dynamically adjusting the sound signal output of the sound box devices according to the relative positions and adjusting the center balance points of the sound box devices to the positions of people.
The invention has the beneficial effects that: according to the scheme, when a person or each sound box device is in a moving state, the relative position of the person and each sound box device is obtained, the sound signal output of each sound box is dynamically adjusted according to the relative position, the center balance point of each sound box is adjusted to the position of the person, the position confirmed by a system is used as the balance point of the sound box device, the signal gain of each sound box is adjusted, the position can achieve the best sound effect, and the best sound effect can be achieved no matter where the person sits through the dynamic balance point.
Further, the microphone array module is specifically used for locating the relative position of the person and the plurality of loudspeaker box devices through far-field speech technology.
The beneficial effect of adopting the further scheme is that: the scheme positions the relative position of the person and each sound box device through the far-field speech technology, and realizes that the system adjusts the balance parameters of each sound channel through the relative position, thereby enabling the listener to obtain the best sound balance effect at any time and any place.
Further, the sound signal adjusting module is specifically configured to adjust a balance parameter of each sound channel of each sound box by using the position of the person as a balance point, and adjust a sound signal value according to the surround effect.
The beneficial effect of adopting the further scheme is that: the balance parameters of each sound channel of each sound box are adjusted by taking the position of a person as a balance point, the sound signal value is adjusted according to the surrounding effect, the effect that the product is not limited to a certain scene or place is achieved, the position of the person is taken as the balance point when the product is continuously moved, the balance parameters and the surrounding effect of each sound channel of each sound box are dynamically adjusted, the sound effect is not only the best effect of the balance point on the central axis of the sound box equipment, and the best sound effect can be achieved in other positions.
Further, each loudspeaker device comprises at least three microphone arrays.
The beneficial effect of adopting the further scheme is that: according to the scheme, at least three microphone arrays are arranged on each sound box device, and at least three microphone arrays are arranged on the sound box devices, so that the relative position is obtained.
Further, each sound box device comprises a sound box device with at least one sound channel from 2.1 sound channels to 7.1 sound channels.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic flow chart of a method for adaptively adjusting sound field balance according to an embodiment of the present invention;
fig. 2 is a block diagram of a structure of an apparatus for adaptively adjusting sound field balance according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1, a method for adaptively adjusting sound field balance according to an embodiment of the present invention includes:
s1, when the person or the sound box devices are in a moving state, acquiring the relative positions of the person and the sound box devices;
when the relative position of the person or the sound box device changes, the relative positions of the person and the sound box device are acquired again, and the sound signal is adjusted according to the latest relative position.
And S2, dynamically adjusting the sound signal output of the sound box devices according to the relative positions, and adjusting the center balance points of the sound box devices to the positions of people.
The center balance point represents the position of the sound effect of the sound box device, for example, the center balance point of the 2.1-channel device is on a fixed central axis right in front of the device, and the 7.1-channel device is a fixed point in the space right in front.
The golden balance point of current 7.1 sound channels is debugged out on fixed position, and not dynamic adjustment comes out, and you are under 7.1's environment, sit in different positions, and the effect is differentiateed, and this scheme passes through dynamic adjustment balance point for no matter what position you sit, when your position has been confirmed to the system, will be according to your position, do the adjustment to the signal gain of each audio amplifier, let the effect of your this position reach best effect.
Adjusting the gain and surround effect of each sound box according to the relative distance, and adjusting the center position of each sound box and surround effect to the current position of people
According to the scheme, when a person or each sound box device is in a moving state, the relative position of the person and each sound box device is obtained, the sound signal output of each sound box is dynamically adjusted according to the relative position, the center balance point of each sound box is adjusted to the position of the person, the position confirmed by a system is used as the balance point of the sound box device, the signal gain of each sound box is adjusted, the position can achieve the best sound effect, and the best sound effect can be achieved no matter where the person sits through the dynamic balance point.
Preferably, in any of the above embodiments, the obtaining the relative position of the person and the plurality of speaker devices specifically includes: the relative positions of the person and the plurality of loudspeaker box devices are located through far-field speech technology. Wherein far-field speech technology belongs to the prior art.
The scheme positions the relative position of the person and each sound box device through the far-field speech technology, and realizes that the system adjusts the balance parameters of each sound channel through the relative position, thereby enabling the listener to obtain the best sound balance effect at any time and any place.
Preferably, in any of the above embodiments, automatically adjusting the sound signal output of the plurality of speaker devices according to the relative position specifically includes: and adjusting the balance parameters of each sound channel of each sound box by taking the position of the person as a balance point, and adjusting the sound signal value according to the surround effect.
The method for adjusting the balance parameters of each sound channel of each sound box and adjusting the sound signal value according to the surround effect is similar to the existing adjusting mode of the balance point of the 2.1 sound channel or 7.1 sound channel fixed point, and the adjusting mode is carried out according to the relative distance and the sound effect.
The balance parameters of each sound channel of each sound box are adjusted by taking the position of a person as a balance point, the sound signal value is adjusted according to the surrounding effect, the effect that the product is not limited to a certain scene or place is achieved, the position of the person is taken as the balance point when the product is continuously moved, the balance parameters and the surrounding effect of each sound channel of each sound box are dynamically adjusted, the sound effect is not only the best effect of the balance point on the central axis of the sound box equipment, and the best sound effect can be achieved in other positions.
Preferably, in any of the above embodiments, each loudspeaker device comprises at least three microphone arrays. Wherein the microphone array is based on existing microphone array devices.
According to the scheme, at least three microphone arrays are arranged on each sound box device, and at least three microphone arrays are arranged on the sound box devices, so that the relative position is obtained.
Preferably, in any of the above embodiments, each enclosure device comprises an enclosure device having at least one sound channel from 2.1 sound channels to 7.1 sound channels.
In one embodiment, as shown in fig. 2, an apparatus for adaptively adjusting sound field balance includes: a microphone array module 11, a sound signal adjusting module 12, and a box device 13;
the microphone array module 11 is used for acquiring the relative positions of the person and the plurality of sound box devices 13 when the person or the plurality of sound box devices 13 are in a moving state;
the sound signal adjusting module 12 is configured to dynamically adjust sound signal outputs of the multiple speaker devices 13 according to the relative positions, and adjust center balance points of the multiple speaker devices 13 to positions of people.
According to the scheme, when a person or a plurality of sound box devices are in a moving state, the relative position of the person and each sound box device is obtained, the sound signal output of each sound box is dynamically adjusted according to the relative position, the center balance point of each sound box is adjusted to the position of the person, the position confirmed by a system is used as the balance point of the sound box device 13, the signal gain of each sound box is adjusted, the position can achieve the best sound effect, and through the dynamic balance point, the best sound effect can be achieved no matter where the person sits.
Preferably, in any of the above embodiments, the microphone array module 11 is specifically used for locating the relative position of the person and the plurality of loudspeaker devices 13 by far-field speech technology.
The scheme positions the relative position of the person and each sound box device through the far-field speech technology, and realizes that the system adjusts the balance parameters of each sound channel through the relative position, thereby enabling the listener to obtain the best sound balance effect at any time and any place.
Preferably, in any of the above embodiments, the sound signal adjusting module 12 is specifically configured to adjust the balance parameters of each channel of each loudspeaker box by using the position of the person as a balance point, and adjust the sound signal value according to the surround effect.
The balance parameters of each sound channel of each sound box are adjusted by taking the position of a person as a balance point, the sound signal value is adjusted according to the surrounding effect, the effect that when a product is not limited to a certain scene or place, the position of the person is taken as the balance point when the product is continuously moved, the balance parameters and the surrounding effect of each sound channel of each sound box are dynamically adjusted, the sound effect is not only the best in the effect of the balance point on the central axis of the sound box equipment 13, and the best sound effect can be achieved in other positions.
Preferably, in any of the above embodiments, each loudspeaker device 13 comprises at least three microphone arrays.
According to the scheme, at least three microphone arrays are arranged on each sound box device 13, and at least three microphone arrays are arranged on the sound box devices 13, so that the relative position is obtained.
Preferably, in any of the above embodiments, each enclosure device 13 includes an enclosure device 13 having at least one sound channel from 2.1 sound channels to 7.1 sound channels.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
It should be noted that the above embodiments are product embodiments corresponding to the previous method embodiments, and for the description of each optional implementation in the product embodiments, reference may be made to corresponding descriptions in the above method embodiments, and details are not described here again.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described method embodiments are merely illustrative, and for example, the division of steps into only one logical functional division may be implemented in practice in another way, for example, multiple steps may be combined or integrated into another step, or some features may be omitted, or not implemented.
The above method, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for adaptively adjusting sound field balance, comprising:
s1, when the person or the sound box devices are in a moving state, acquiring the relative positions of the person and the sound box devices;
and S2, dynamically adjusting the sound signal output of the sound box devices according to the relative positions, and adjusting the center balance points of the sound box devices to the positions of people.
2. The method of claim 1, wherein the obtaining the relative positions of the person and the sound box devices specifically comprises: and positioning the relative position of the person and the plurality of loudspeaker box devices through far-field voice technology.
3. The method according to claim 1 or 2, wherein the automatically adjusting the sound signal outputs of the sound box devices according to the relative positions specifically comprises: and adjusting the balance parameters of each sound channel of each sound box by taking the position of the person as a balance point, and adjusting the sound signal value according to the surround effect.
4. A method for adaptively adjusting sound field balance according to claim 3, wherein each loudspeaker device comprises at least three microphone arrays.
5. The method of claim 4, wherein each speaker device comprises a speaker device with at least one sound channel from 2.1 sound channels to 7.1 sound channels.
6. An apparatus for adaptively adjusting sound field balance, comprising: the microphone array module, the sound signal adjusting module and the audio box device are arranged in the audio box;
the microphone array module is used for acquiring the relative positions of a person and a plurality of sound box devices when the person or the sound box devices are in a moving state;
the sound signal adjusting module is used for dynamically adjusting the sound signal output of the sound box devices according to the relative positions and adjusting the center balance points of the sound box devices to the positions of people.
7. The apparatus of claim 6, wherein the microphone array module is specifically configured to locate a relative position of a person and the plurality of loudspeaker devices through far-field speech technology.
8. The apparatus for adaptively adjusting sound field balance according to claim 6 or 7, wherein the sound signal adjusting module is specifically configured to adjust the balance parameters of each sound channel of each speaker by using the position of the person as a balance point, and adjust the sound signal value according to the surround effect.
9. The apparatus of claim 8, wherein each speaker apparatus comprises at least three microphone arrays.
10. The apparatus of claim 9, wherein each speaker apparatus comprises a speaker apparatus having at least one sound channel from 2.1 sound channels to 7.1 sound channels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010484492.1A CN111601219A (en) | 2020-06-01 | 2020-06-01 | Method and equipment for adaptively adjusting sound field balance |
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| CN202010484492.1A CN111601219A (en) | 2020-06-01 | 2020-06-01 | Method and equipment for adaptively adjusting sound field balance |
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| WO2017102571A1 (en) * | 2015-12-18 | 2017-06-22 | Thomson Licensing | Apparatus and method for detecting loudspeaker connection or positioning errors during calibration of a multi channel audio system |
| US20180123813A1 (en) * | 2016-10-31 | 2018-05-03 | Bragi GmbH | Augmented Reality Conferencing System and Method |
| CN110049428A (en) * | 2019-03-20 | 2019-07-23 | 中国科学院计算技术研究所 | Method, playback equipment and the system played for realizing multichannel surround sound |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998054926A1 (en) * | 1997-05-28 | 1998-12-03 | Bauck Jerald L | Loudspeaker array for enlarged sweet spot |
| CN105325014A (en) * | 2013-05-02 | 2016-02-10 | 微软技术许可有限责任公司 | Sound field adjustment based on user tracking |
| CN103945301A (en) * | 2014-04-24 | 2014-07-23 | Tcl集团股份有限公司 | Audio system balance adjustment method and device |
| WO2017102571A1 (en) * | 2015-12-18 | 2017-06-22 | Thomson Licensing | Apparatus and method for detecting loudspeaker connection or positioning errors during calibration of a multi channel audio system |
| CN106303806A (en) * | 2016-09-22 | 2017-01-04 | 北京小米移动软件有限公司 | The volume balance control method of sound system and device |
| US20180123813A1 (en) * | 2016-10-31 | 2018-05-03 | Bragi GmbH | Augmented Reality Conferencing System and Method |
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