CN101330585A - Method and system for positioning sound - Google Patents
Method and system for positioning sound Download PDFInfo
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- CN101330585A CN101330585A CNA2007100750972A CN200710075097A CN101330585A CN 101330585 A CN101330585 A CN 101330585A CN A2007100750972 A CNA2007100750972 A CN A2007100750972A CN 200710075097 A CN200710075097 A CN 200710075097A CN 101330585 A CN101330585 A CN 101330585A
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Abstract
The invention provides a method for sound localization, and the method comprises the following steps: a. a display device receives a sound signal, and main sound source location information in the sound signal is analyzed; and b. the display device controls the sound emission of upper, lower, left and right speakers of the display plane of the display device according to the main sound source location information. The technical proposal provided by the invention can reproduce the locations of the main sound sources which are corresponding to the different images, thereby realizing the accurate reproduction of the corresponding sound of the image, meeting the requirements of a user on true and accurate sound effects, and bringing better experience for the user.
Description
Technical field
The invention belongs to the Display Technique field., relate in particular to the technology of display device audio reproduction.
Background technology
Existing display device also provides the acoustic information that more and more enriches to the user when image information is provided, and the user is more and more higher to the requirement of the picture quality of display device, and is also more and more higher to the requirement of sound quality simultaneously.
With the television set is example, and the reproduction of TV signal sound is generally by realizing for the audio amplifier on the television set.Commonplace method is at present: a loud speaker respectively is installed on the left and right sides of TV shell, is reproduced the sound corresponding with image by the cooperation of left and right sides loud speaker, thereby realize the reproduced in synchronization of sound and image.In high-quality television equipment, use a common loud speaker often can not get a desired effect sometimes, therefore, can adopt a woofer and a high pitch loudspeaker simultaneously in the left and right sides.The television equipment that also has only disposes a woofer, and is placed on the below of TV shell, the configuration high pitch loudspeaker then about each one, to reach same effect.
As everyone knows, adopting the loud speaker of each side installation in TV shell, is the principle of utilizing sound imaging (sound imaging) system, obtains different sound effects, to reduce the real scene of audio frequency and video when recording better.By controlling the sounding of the loud speaker that is provided with about this, make the user sound sound seem from the middle of these two loud speakers certain a bit on.Therefore, present television set all generally adopts this method to come the design and installation loud speaker.
Under the smaller situation of television screen, the reduction coordination of carrying out sound and image in this way is proper, but along with TV panelized gradually, the size of television set also strengthens gradually, and constantly having more, the TV of large scale (even having above 100 cun) appears on the market.Under the bigger situation of television set size, utilize this system principle and two loud speakers are installed are carried out sound-reducing, will be very coarse, can't carrying out accurately to the sound of diverse location in television image source (position of the shape of the mouth as one speaks correspondence of speaking such as the people), sound position reproduces, all sound up and down can only be expressed and embody by the sound position of horizontal direction, can't carry out the reduction of actual sound really and accurately.So will reduce the result of broadcast of panel TV product greatly.As shown in Figure 1, utilize two high pitch loudspeakers 10,20 on the TV shell, can realize moving of sound S position in keynote source on the horizontal direction.But,, adopt and as the mode of Fig. 1 two loud speakers 10,20 be installed and just can't be carried out the reproduction of sound position accurately if keynote source S as shown in Figure 2 has when mobile in vertical direction.
For this reason, be necessary to seek a kind of technical scheme, can realize carrying out truely and accurately the accurate reproduction that sound and picture position meet, for the user provides a comfortable sound effect and experience.
Summary of the invention
The object of the present invention is to provide a kind of method and device of sound localization, when being intended to solve the audio reproduction of the display unit that exists in the prior art, sound and picture position meet inadequately precisely problem.
For achieving the above object, the present invention adopts following technical scheme:
A kind of method of sound localization, described method comprises the steps:
A, display unit receive voice signal, resolve the keynote source location information in the described voice signal;
B, described display unit are controlled the sounding of the display plane loud speaker up and down of described display unit according to described keynote source location information.
Wherein step a specifically comprises:
A1, described display unit receive described voice signal, carry described keynote source location information in the described voice signal, and described keynote source location information is represented the zone of described keynote source correspondence on described display plane by area code;
A2, described display unit are resolved described area code, determine the corresponding region of described keynote source on described display plane according to described area code;
Wherein step b specifically comprises:
B1, described display unit are controlled the loud speaker sounding in close described zone on the described display plane according to described corresponding region.
Wherein step a specifically comprises:
A1, described display unit receive described voice signal, carry described keynote source location information in the described voice signal, and described keynote source location information is represented the zone of described keynote source correspondence on described display plane by coordinate information;
A2, described display unit are resolved described coordinate information, determine the corresponding region of described keynote source on described display plane according to described coordinate information;
Wherein step b specifically comprises:
B1, described display unit are controlled the loud speaker sounding in close described zone on the described display plane according to described corresponding region.
If described corresponding region is the top left region of described display plane, the loud speaker that described display unit is controlled described display plane top and left carries out sounding; If described corresponding region is the right regions of described display plane, described display unit is controlled the described display plane top and right-hand loud speaker sounding; If described corresponding region is the lower right area of described display plane, described display unit is controlled the described display plane below and right-hand loud speaker sounding; If described corresponding region is the zone, lower-left of described display plane, described display unit is controlled the loud speaker sounding of described display plane left and below.
If described corresponding region is the territory, transverse axis left half-court of described display plane, the loud speaker that described display unit is controlled described display plane left carries out sounding; If described corresponding region is the territory, transverse axis right half-court of described display plane, described display unit is controlled right-hand loud speaker sounding of described display plane; If described corresponding region is first the zone of the longitudinal axis of described display plane, described display unit is controlled the loud speaker sounding of described display plane top; If described corresponding region is second zone of the longitudinal axis of described display plane, described display unit is controlled the loud speaker sounding of described display plane below; If described corresponding region is the central area of described display plane, one or more sounding in the described square up and down loud speaker of then described display unit control.
The present invention also provides a kind of system of sound localization, described system comprises display unit, described system also is included in the loud speaker of the distribution of direction up and down of described display unit, and described display unit is used for according to the loud speaker sounding of the described distribution of direction up and down of keynote source position control of picture.
Described display unit comprises positional information parsing module and acoustic image synchronization control module, described positional information parsing module is used for and resolves keynote source location information in the voice signal that described display unit receives, and described lip synchronization control module is used for the loud speaker sounding that distributes according to the described direction up and down of described keynote source location information control.
Described keynote source location information represents that by the area code or the coordinate information on plane, described display unit place described parsing module is used for determining the corresponding region of described keynote source in plane, described display unit place according to described area code or coordinate information.
If described corresponding region is the top left region on plane, described display unit place, the loud speaker that described lip synchronization control module is controlled described top and left carries out sounding; If described corresponding region is the right regions on plane, described display unit place, described lip synchronization control module is controlled the described top and right-hand loud speaker sounding; If described corresponding region is the lower right area on plane, described display unit place, described lip synchronization control module is controlled the described below and right-hand loud speaker sounding; If described corresponding region is the zone, lower-left on plane, described display unit place, described lip synchronization control module is controlled the loud speaker sounding of described left and below.
If described corresponding region is the territory, transverse axis left half-court on plane, described display unit place, the loud speaker that described lip synchronization control module is controlled described left carries out sounding; If described corresponding region is the territory, transverse axis right half-court on plane, described display unit place, described lip synchronization control module is controlled the described right-hand loud speaker sounding; If described corresponding region is first zone of the longitudinal axis on plane, described display unit place, described lip synchronization control module is controlled the loud speaker sounding of described top; If described corresponding region is second zone of the longitudinal axis on plane, described display unit place, described lip synchronization control module is controlled the loud speaker sounding of described display plane below; If described corresponding region is the central area on plane, described display unit place, one or more sounding in the described square up and down loud speaker of then described lip synchronization control module control.
The present invention overcomes the deficiencies in the prior art, 4 directions up and down in display unit are provided with loud speaker respectively, the method that in voice signal, adds positional information simultaneously, display unit is controlled the sounding of the loud speaker of four direction up and down according to the positional information of voice signal, the position in the corresponding master voice of different images source is reappeared, thereby realize the accurate reproduction of the corresponding sound of image is satisfied the user to sound effect requirement really and accurately, for the user brings one better to experience.
Description of drawings
Fig. 1 is the schematic diagram that existing television set keynote source loud speaker distributes at horizontal level;
Fig. 2 is the schematic diagram that move in vertical direction in the keynote source;
Fig. 3 is that embodiment of the invention inventive embodiments is described at distribute the simultaneously schematic diagram of keynote source loud speaker of television set level and vertical direction;
Fig. 4 is the described TV Principles block diagram of the embodiment of the invention;
Fig. 5 is the structure chart of the described lip synchronization control module of the embodiment of the invention.
Embodiment
Technical scheme provided by the invention is that 4 directions up and down at the display device display plane respectively are provided with one group of keynote source loud speaker, utilize the plan position information control that adds the keynote source in the voice signal respectively to organize the sounding of loud speaker, the reproduction of sound position on realization level and the vertical direction.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Display unit is that example describes with the television set in the embodiment of the invention, when specifically using technical solution of the present invention, originally be not limited to television set, other display unit that need reproduce sound can adopt technical scheme provided by the invention equally, its principle basically identical, this does not give unnecessary details.
In order to carry out the reproduction of the sound position on level and the vertical both direction, the embodiment of the invention described television set level and vertical direction distribute simultaneously keynote source loud speaker schematic diagram as shown in Figure 3, when each high pitch loudspeaker 10,20 has been installed in this TV shell left and right sides, also increase each high pitch loudspeaker 30,40 again in the both sides up and down of TV shell, thereby make the quantity of high pitch loudspeaker be increased to four, and the cooperation by these four high pitch loudspeakers, the reproduction that comes sound position on realization level and the vertical direction.
In order to judge the sounding logical relation of four high pitch loudspeakers, need in common voice signal, add the plan position information in keynote source.See also Fig. 3, in the present invention, the mode of employing is that television image is done division as plane coordinate system, and then the position that may occur, keynote source is A, B, four zones of C, D, the positive and negative axle of x axle, the positive and negative axle of y axle or central area E.Therefore, add plan position information A, B, C, D or the E that shows the keynote source in voice signal, the plan position information in these keynote sources can show the keynote source is positioned at which above-mentioned position.Adopt other mode, for example directly allow plan position information be expressed as the coordinate in keynote source, judge that by MCU its region also is alternative way again.
Based on television equipment and signal digitalized basis, add the existing in the prior art narration of method of plan position information for common voice signal.
See also Fig. 4, the television image sound localization device that the embodiment of the invention provides in existing television system audio processing modules and the sound playing module between add a lip synchronization control module 50 that is subjected to MCU control.As shown in Figure 5, this lip synchronization control module 50 comprises lip synchronization controller and K switch 1, K2.In the present embodiment, the work that the keynote source location information in the voice signal that parsing module is finished is resolved is finished by MCU, and MCU sends control information to the lip synchronization controller after the plan position information of resolving the keynote source.The lip synchronization controller receives the MCU instruction, and control switch K1, K2 sound corresponding loud speaker.
Specifically, when keynote source coordinate position is on the positive and negative axle of screen x axle, still utilize 10,20 two high pitch loudspeakers to realize audio reproduction, such as, when the position of keynote source coordinate is born on the axle at screen x axle, MCU sends and instructs to the lip synchronization controller, lip synchronization controller control switch K1 is converted to the a1 end, K switch 2 is not done any connection, only allow high pitch loudspeaker 10 input audio signals, therefore, can allow the user from acoustically obtaining such information: the sound of being heard comes from horizontal centre position, screen middle part and keeps left.Same reason if the position of keynote source coordinate is on screen x axle positive axis the time, then only allows high pitch loudspeaker 20 that voice signal is arranged with same control mode.At this moment, utilize the principle of sound imaging system, the user is from acoustically obtaining such information: the sound of being heard comes from the screen level centre position and keeps right.If the position of keynote source coordinate is at the zone E of screen center, then lip synchronization controller control switch K1 is converted to the a1 end, K switch 2 is converted to the b2 end, make high pitch loudspeaker 10 and 20 that the voice signal input all be arranged, the principle of then utilizing sound imaging system as can be known, the user can obtain such information: the sound of being heard comes from the screen level position intermediate.
When the position of keynote source coordinate is on the positive and negative axle of screen y axle, then utilize 30,40 two high pitch loudspeakers to express sound position.When the position of keynote source coordinate is on screen y axle positive axis, MCU sends and instructs to the lip synchronization controller, lip synchronization controller control switch K1 is converted to the c1 end, K switch 2 is not done any connection, only allow high pitch loudspeaker 30 that the voice signal input is arranged, therefore, can allow the user from acoustically obtaining such information: the sound of being heard comes from the vertical centre position of screen by last.Same reason if the position of keynote source coordinate is when screen y axle is born on the axle, then only allows high pitch loudspeaker 40 that voice signal is arranged.At this moment, the user is from acoustically obtaining such information: the sound of being heard comes from the vertical centre position of screen by following.
Be positioned at the situation of level or vertical centering control top-stitching except these are several, in other regional situations, need utilize the cooperation of these four high pitch loudspeakers, realize the accurate reproduction of sound position for the position of keynote source coordinate.Specifically: when the position of keynote source coordinate is positioned at the a-quadrant, lip synchronization controller control switch K1 is converted to the a1 end, K switch 2 is converted to the c2 end, allow high pitch loudspeaker 10 and 30 that the voice signal input is arranged, the principle of utilizing sound imaging system as can be known, the user can obtain such information: the sound of being heard is from the upper left side of screen; In like manner,, allow high pitch loudspeaker 20 and 30 that sound is arranged when the position of keynote source coordinate is positioned at B when zone, the principle of utilizing sound imaging system as can be known, the user can obtain such information: the sound of being heard is from the upper right side of screen; When the position of keynote source coordinate is positioned at C when zone, allow high pitch loudspeaker 10 and 40 that sound is arranged, the principle of utilizing sound imaging system as can be known, the user can obtain such information: the sound of being heard is from the lower left of screen; When the position of keynote source coordinate is positioned at D when zone, allow high pitch loudspeaker 20 and 40 that sound is arranged, the principle of utilizing sound imaging system as can be known, the user can obtain such information: the sound of being heard is from the lower right of screen.
Thus, by on TV shell, adopting the method for four high pitch loudspeakers, the corresponding sound of image of having realized diverse location in the corresponding video screen picture reappears, thereby realize accurate reproduction to the corresponding sound of image, satisfy the user to sound effect requirement really and accurately, for the user brings one better to experience.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method of sound localization is characterized in that, described method comprises the steps:
A, display unit receive voice signal, resolve the keynote source location information in the described voice signal;
B, described display unit are controlled the sounding of the display plane loud speaker up and down of described display unit according to described keynote source location information.
2, method according to claim 1 is characterized in that, wherein step a specifically comprises:
A1, described display unit receive described voice signal, carry described keynote source location information in the described voice signal, and described keynote source location information is represented the zone of described keynote source correspondence on described display plane by area code;
A2, described display unit are resolved described area code, determine the corresponding region of described keynote source on described display plane according to described area code;
Wherein step b specifically comprises:
B1, described display unit are controlled the loud speaker sounding in close described zone on the described display plane according to described corresponding region.
3, method according to claim 1 is characterized in that, wherein step a specifically comprises:
A1, described display unit receive described voice signal, carry described keynote source location information in the described voice signal, and described keynote source location information is represented the zone of described keynote source correspondence on described display plane by coordinate information;
A2, described display unit are resolved described coordinate information, determine the corresponding region of described keynote source on described display plane according to described coordinate information;
Wherein step b specifically comprises:
B1, described display unit are controlled the loud speaker sounding in close described zone on the described display plane according to described corresponding region.
According to claim 2 or 3 described methods, it is characterized in that 4, if described corresponding region is the top left region of described display plane, the loud speaker that described display unit is controlled described display plane top and left carries out sounding; If described corresponding region is the right regions of described display plane, described display unit is controlled the described display plane top and right-hand loud speaker sounding; If described corresponding region is the lower right area of described display plane, described display unit is controlled the described display plane below and right-hand loud speaker sounding; If described corresponding region is the zone, lower-left of described display plane, described display unit is controlled the loud speaker sounding of described display plane left and below.
According to claim 2 or 3 described methods, it is characterized in that 5, if described corresponding region is the territory, transverse axis left half-court of described display plane, the loud speaker that described display unit is controlled described display plane left carries out sounding; If described corresponding region is the territory, transverse axis right half-court of described display plane, described display unit is controlled right-hand loud speaker sounding of described display plane; If described corresponding region is first the zone of the longitudinal axis of described display plane, described display unit is controlled the loud speaker sounding of described display plane top; If described corresponding region is second zone of the longitudinal axis of described display plane, described display unit is controlled the loud speaker sounding of described display plane below; If described corresponding region is the central area of described display plane, one or more sounding in the described square up and down loud speaker of then described display unit control.
6, a kind of system of sound localization, described system comprises display unit, it is characterized in that, described system also is included in the loud speaker of the distribution of direction up and down of described display unit, and described display unit is used for according to the loud speaker sounding of the described distribution of direction up and down of keynote source position control of picture.
7, system according to claim 6, it is characterized in that, described display unit comprises positional information parsing module and acoustic image synchronization control module, described positional information parsing module is used for and resolves keynote source location information in the voice signal that described display unit receives, and described lip synchronization control module is used for the loud speaker sounding that distributes according to the described direction up and down of described keynote source location information control.
8, system according to claim 7, it is characterized in that, described keynote source location information represents that by the area code or the coordinate information on plane, described display unit place described parsing module is used for determining the corresponding region of described keynote source in plane, described display unit place according to described area code or coordinate information.
9, system according to claim 7 is characterized in that, if described corresponding region is the top left region on plane, described display unit place, the loud speaker that described lip synchronization control module is controlled described top and left carries out sounding; If described corresponding region is the right regions on plane, described display unit place, described lip synchronization control module is controlled the described top and right-hand loud speaker sounding; If described corresponding region is the lower right area on plane, described display unit place, described lip synchronization control module is controlled the described below and right-hand loud speaker sounding; If described corresponding region is the zone, lower-left on plane, described display unit place, described lip synchronization control module is controlled the loud speaker sounding of described left and below.
10, method according to claim 7 is characterized in that, if described corresponding region is the territory, transverse axis left half-court on plane, described display unit place, the loud speaker that described lip synchronization control module is controlled described left carries out sounding; If described corresponding region is the territory, transverse axis right half-court on plane, described display unit place, described lip synchronization control module is controlled the described right-hand loud speaker sounding; If described corresponding region is first zone of the longitudinal axis on plane, described display unit place, described lip synchronization control module is controlled the loud speaker sounding of described top; If described corresponding region is second zone of the longitudinal axis on plane, described display unit place, described lip synchronization control module is controlled the loud speaker sounding of described display plane below; If described corresponding region is the central area on plane, described display unit place, one or more sounding in the described square up and down loud speaker of then described lip synchronization control module control.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100750972A CN101330585A (en) | 2007-06-20 | 2007-06-20 | Method and system for positioning sound |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100750972A CN101330585A (en) | 2007-06-20 | 2007-06-20 | Method and system for positioning sound |
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| CNA2007100750972A Pending CN101330585A (en) | 2007-06-20 | 2007-06-20 | Method and system for positioning sound |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136269A (en) * | 2010-01-22 | 2011-07-27 | 微软公司 | Speech recognition analysis via identification information |
| CN102209225A (en) * | 2010-03-30 | 2011-10-05 | 华为终端有限公司 | Method and device for realizing video communication |
| WO2015090039A1 (en) * | 2013-12-20 | 2015-06-25 | 华为技术有限公司 | Sound processing method, device and apparatus |
| CN108806560A (en) * | 2018-06-27 | 2018-11-13 | 四川长虹电器股份有限公司 | Screen singing display screen and sound field picture synchronization localization method |
| CN108989721A (en) * | 2010-03-23 | 2018-12-11 | 杜比实验室特许公司 | Technology for localization perception audio |
| US10939219B2 (en) | 2010-03-23 | 2021-03-02 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
| CN112911354A (en) * | 2019-12-03 | 2021-06-04 | 海信视像科技股份有限公司 | Display apparatus and sound control method |
| CN113678469A (en) * | 2019-04-16 | 2021-11-19 | 索尼集团公司 | Display device, control method and program |
| WO2023207884A1 (en) * | 2022-04-27 | 2023-11-02 | 华为技术有限公司 | Audio playback method and related apparatus |
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2007
- 2007-06-20 CN CNA2007100750972A patent/CN101330585A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136269B (en) * | 2010-01-22 | 2013-05-22 | 微软公司 | Speech recognition analysis via identification information |
| CN102136269A (en) * | 2010-01-22 | 2011-07-27 | 微软公司 | Speech recognition analysis via identification information |
| CN108989721A (en) * | 2010-03-23 | 2018-12-11 | 杜比实验室特许公司 | Technology for localization perception audio |
| US10939219B2 (en) | 2010-03-23 | 2021-03-02 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
| US11350231B2 (en) | 2010-03-23 | 2022-05-31 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
| US12273695B2 (en) | 2010-03-23 | 2025-04-08 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
| CN102209225B (en) * | 2010-03-30 | 2013-04-17 | 华为终端有限公司 | Method and device for realizing video communication |
| CN102209225A (en) * | 2010-03-30 | 2011-10-05 | 华为终端有限公司 | Method and device for realizing video communication |
| WO2015090039A1 (en) * | 2013-12-20 | 2015-06-25 | 华为技术有限公司 | Sound processing method, device and apparatus |
| CN108806560A (en) * | 2018-06-27 | 2018-11-13 | 四川长虹电器股份有限公司 | Screen singing display screen and sound field picture synchronization localization method |
| CN113678469A (en) * | 2019-04-16 | 2021-11-19 | 索尼集团公司 | Display device, control method and program |
| US12185071B2 (en) | 2019-04-16 | 2024-12-31 | Sony Group Corporation | Synchronizing sound with position of sound source in image |
| CN112911354A (en) * | 2019-12-03 | 2021-06-04 | 海信视像科技股份有限公司 | Display apparatus and sound control method |
| WO2023207884A1 (en) * | 2022-04-27 | 2023-11-02 | 华为技术有限公司 | Audio playback method and related apparatus |
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