CN108806560A - Screen singing display screen and sound field picture synchronization localization method - Google Patents
Screen singing display screen and sound field picture synchronization localization method Download PDFInfo
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- CN108806560A CN108806560A CN201810678042.9A CN201810678042A CN108806560A CN 108806560 A CN108806560 A CN 108806560A CN 201810678042 A CN201810678042 A CN 201810678042A CN 108806560 A CN108806560 A CN 108806560A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000004807 localization Effects 0.000 title claims abstract description 10
- 230000005236 sound signal Effects 0.000 claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
- G01S5/20—Position of source determined by a plurality of spaced direction-finders
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Abstract
The present invention relates to display screen technology fields.The present invention positions to solve the problems, such as that the screen sounding of existing display screen can not achieve sound field picture synchronization,Provide a kind of screen singing display screen and sound field picture synchronization localization method,The screen singing display screen includes display panel and backboard,Further include control module and at least two sounding drive modules,The audio-signal-driven display panel vibration that at least two sounding drive modules are used to be exported according to control module generates corresponding sound wave,Sound wave, which merges, generates sound field,Control module is stored with sound field data relationship table corresponding with the power of exports audio signal and phase value,Control module identifies position of the pronunciation body position in sound field in display panel in image,To control the audio signal for exporting each sounding drive module frequency corresponding with above-mentioned sound field position and phase value,Point of articulation is consistent with the pronunciation body position in image when making user's audition,Promote user experience,Especially suitable for OLED tv products.
Description
Technical field
The present invention relates to display screen technology fields, more particularly to a kind of display screen and sound field picture synchronization positioning side
Method.
Background technology
With the development of flat panel TV, the thickness and frame of television set are more and more narrow, appearance of the user to television set, ruler
It is very little, performance requirement is also higher and higher, therefore, a kind of emerging application technology OLED display screen of flat-panel screens is come into being, OLED
Display screen is to utilize display screen made of organic electroluminescent LED.Due to being provided simultaneously with self-luminous Organic Electricity and light-emitting diodes
Pipe, does not need backlight, has many advantages, such as that contrast is high, thickness is thin, visual angle is wide, reaction speed block, construction and manufacture are simpler.
Therefore, the prior art proposes a kind of screen singing display screen, and screen sounding generally uses vibration exciter to vibrate
Display panel fixes diaphragm on a display panel to generate sound wave.Its principle is by controller input and audio signal
Corresponding driving energy has the coil being placed in magnetic field to vibration exciter inside vibration exciter, is believed by audio to generate
The magnetic field of number control, to drive the workbench being connected with coil, drive display panel vibration realizing screen sounding, since it does not have
Traditional audio output device such as traditional loud speaker, it is general to realize stereophone using two vibration exciters, but it is not
It can realize that sound field picture synchronization positions, user experience is poor.
Invention content
The invention aims to solve the screen sounding of existing display screen to can not achieve asking for sound field picture synchronization positioning
Topic proposes a kind of screen singing display screen and sound field picture synchronization localization method.
Technical solution is used by the present invention solves above-mentioned technical problem：Screen singing display screen, including display panel,
Further include control module and at least two sounding drive modules, at least two sounding drive module is connect with control module；
The audio-signal-driven display panel that at least two sounding drive module is used to be exported according to control module shakes
The corresponding sound wave of movable property life, sound wave, which merges, generates sound field；
The control module is stored with sound field data relationship table corresponding with the power of exports audio signal and phase value, control
Molding block position of the pronunciation main body in sound field in image for identification, obtains according to the position from the data relationship table
And the audio signal of power corresponding with each sounding drive module and phase value is exported, and it is sent at least two sounding
Drive module.
Specifically, the sounding drive module is vibration exciter.
Further, the screen singing display screen includes backboard, further includes：First fixing device and second fixes dress
It sets；
First fixing device is used for the fixation of at least two sounding drive modules and backboard；
Second fixing device is used for the fixation of at least two sounding drive modules and display panel.
Further, the screen singing display screen further includes amplifying circuit, control module by the amplifying circuit with
At least two sounding drive modules connect, for being amplified to the audio signal that control module exports.
Specifically, the sounding drive module is two, including：First sounding drive module and the second sounding drive mould
Block, the first sounding drive module are connect with audio signal L channel, are set to the right side at the display panel back side, and described second
Sounding drive module is connect with audio signal right channel, is set to the left side at the display panel back side.
Sound field picture synchronization localization method, including above-mentioned screen singing display screen, the described method comprises the following steps：
A. position of the pronunciation main body in sound field in image is identified；
B. the power and phase of audio signal corresponding with each sounding drive module are obtained according to the data relationship table
Value；
C. the audio signal of the power and phase value is exported at least two sounding drive modules.
Further, the power and phase value are according to the different position real-time changes recognized.
Further, before at least two sounding drive module obtains audio signal, further include：
Amplify the audio signal.
The beneficial effects of the invention are as follows：In an embodiment of the present invention, screen singing display screen includes at least two sounding
Drive module, control module, display panel and backboard, sounding drive module are aobvious according to the audio-signal-driven that control module exports
Show that panel vibration generates corresponding sound wave, sound wave, which merges, generates sound field, and control module identifies the pronunciation master in image in display panel
Position of the body in sound field, to control the power and phase value that export audio signal corresponding with each sounding drive module
Audio signal, and at least two sounding drive modules are sent to, the power and phase value of audio signal are according to the difference recognized
Position real-time change, point of articulation is consistent with the pronunciation body position in image when making user's audition, promotes user experience.
Description of the drawings
Fig. 1 is the structural schematic diagram of screen singing display screen described in the embodiment of the present invention；
Fig. 2 is the flow diagram of sound field picture synchronization localization method described in the embodiment of the present invention.
Specific implementation mode
Embodiments of the present invention are described in detail below in conjunction with attached drawing.
A kind of screen singing display screen of present invention proposition and sound field picture synchronization localization method, realize screen singing display screen
The positioning of sound field and picture synchronization export, screen singing display screen includes display panel and backboard, further includes：Control module and
At least two sounding drive modules；The audio-signal-driven that at least two sounding drive modules are used to be exported according to control module is aobvious
Show that panel vibration generates corresponding sound wave, sound wave, which merges, generates sound field, and at least two sounding drive modules are stored in control module
The sound field of generation data relationship table corresponding with the power of exports audio signal and phase value, control module identifies pronounces in image
Position data of the main body in sound field obtains the work(of audio signal corresponding with each sounding drive module according to data relationship table
Rate and phase value, and the power and the corresponding audio signal of phase value are exported at least two sounding drive modules.
Sound field picture synchronization localization method includes the following steps：A. position of the pronunciation main body in sound field in image is identified；
B. the power and phase value of audio signal corresponding with each sounding drive module are obtained according to the data relationship table；C. it exports
The audio signal of the power and phase value gives at least two sounding drive modules.Control module identifies the master that pronounces in image in real time
The position of body changes the power and phase value of exports audio signal according to data relationship table in real time, realizes sound field and picture synchronization
Positioning.
Embodiment
As shown in Figure 1, the screen singing display screen described in the embodiment of the present invention includes display panel 130 and backboard, also wrap
It includes：Sounding drive module 120 and control module 100, the sounding drive module 120 are connect with control module 100；The sounding
Drive module 120 at least two, the audio-signal-driven that sounding drive module 120 is used to be exported according to control module 100 are shown
Panel vibration generates corresponding sound wave, and sound wave, which merges, generates sound field；Control module 100 is stored with the work(of sound field and exports audio signal
Rate and the corresponding data relationship table of phase value, control module position of the pronunciation main body in sound field in image for identification, according to
Above-mentioned position obtains from above-mentioned data relationship table and exports the sound of power corresponding with each sounding drive module and phase value
Frequency signal, and it is sent at least two sounding drive module.
Sounding drive module 120 can be the device that vibration exciter or other driving energies obtain mechanical oscillation, on
It can be electronic, electro-hydraulic pressure or piezoelectricity to state driving energy.The driving energy that sounding drive module 120 is sent according to control module 100
Amount corresponds to sound wave to drive display panel vibration to generate.Vibration exciter driving display panel 130 can generate larger displacement
And impact force, sounding effect are preferable.
Preferably, the screen singing display screen described in the present embodiment further includes the first fixing device and the second fixing device,
First fixing device is used for the fixation of sounding drive module 120 and backboard, the second fixing device for sounding drive module 120 and
The fixation of display panel 130；In actual use, shell and the fixed seat of the first fixing device generally use sounding drive module connect
It is screwed on backboard after connecing, the second fixing device generally use rubber is made, and is driven sounding by above-mentioned fixing device
Dynamic model block 120 is effectively fixed, makes audio signal in transmission process, energy expenditure is smaller.
Preferably, as shown in Figure 1, the screen singing display screen described in the present embodiment further includes：Amplifying circuit 110, control
Module 100 is connect by amplifying circuit 110 with sounding drive module 120, and the audio signal exported to control module 100 is put
Greatly.
Optionally, above-mentioned sounding drive module 120 is two, including：First sounding drive module and the driving of the second sounding
Module, the first sounding drive module are connect with audio signal L channel, are set to the right side at 130 back side of display panel, the second hair
Sound-driving module is connect with audio signal right channel, is set to the left side at the display panel back side；Two sounding drive modules 120 are driven
The dynamic vibration of display panel 130, which merges, generates sound field, and two 120 costs of sounding drive module are relatively low, and control mould by connection
The audio signal left and right acoustic channels of block 100 can be realized sound field and be positioned with picture synchronization, and manufacturing process is easy.
The embodiment of the present invention also proposes a kind of sound field picture synchronization localization method, as shown in Fig. 2, including the following steps：
A. position of the pronunciation main body in sound field in image is identified；
B. the power and phase of audio signal corresponding with each sounding drive module are obtained according to the data relationship table
Value；
C. the audio signal of the power and phase value is exported at least two sounding drive modules.
Control module identifies the position for main body of pronouncing in image in real time, changes exports audio signal according to data relationship table
Power and phase value, the power and phase value of audio signal are real according to the position real-time change for recognizing different pronunciation main bodys
Existing sound field is positioned with picture synchronization so that the sounding point that user's audition is felt is consistent with the sounding body position in image, such as
The sound of news main broadcaster sounds and exactly being issued from the face position of main broadcaster that train was from left to right opened on screen, was sounded
Train whistle is exactly to synchronize to issue from the left-to-right and then train movement of screen.
Preferably, before step a, further include：
Amplify the audio signal.
For embodiment of the method, since it is substantially similar to device embodiment, so description is fairly simple, it is related
Place illustrates referring to the part of device embodiment.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be mechanical connection, it can also
It is electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
It should be noted that involved in the present invention to correlation module be hardware system module or in the prior art
The function module that computer software programs or agreement are combined with hardware, the computer software programs involved by the function module
Or the technology of agreement being well known to those skilled in the art in itself, it is not the improvements of the present invention, details are not described herein again；
The present invention's is improved to the interaction relationship between each module or connection relation, as changes to the whole construction of system
Into to solve the problems, such as relevant art to be solved by this invention.
Claims (8)
1. screen singing display screen, including display panel, which is characterized in that drive mould including control module and at least two sounding
Block, at least two sounding drive module are connect with control module；
At least two sounding drive module is used to vibrate production according to the audio-signal-driven display panel that control module exports
Raw corresponding sound wave, sound wave, which merges, generates sound field；
The control module is stored with sound field data relationship table corresponding with the power of exports audio signal and phase value, controls mould
Block position of the pronunciation main body in sound field in image for identification is obtained according to the position from the data relationship table and defeated
Go out the audio signal of power corresponding with each sounding drive module and phase value, and is sent at least two sounding driving
Module.
2. screen singing display screen as described in claim 1, which is characterized in that the sounding drive module is vibrational excitation
Device.
3. screen singing display screen as described in claim 1, including backboard, which is characterized in that further include：First fixing device
With the second fixing device；
First fixing device is used for the fixation of at least two sounding drive modules and backboard；
Second fixing device is used for the fixation of at least two sounding drive modules and display panel.
4. screen singing display screen as described in claim 1, which is characterized in that further include：Amplifying circuit, control module pass through
The amplifying circuit is connect at least two sounding drive modules, for being amplified to the audio signal that control module exports.
5. screen singing display screen as described in claim 1, which is characterized in that the sounding drive module is two, including：
First sounding drive module and the second sounding drive module, the first sounding drive module are connect with audio signal L channel,
It is set to the right side at the display panel back side, the second sounding drive module is connect with audio signal right channel, is set to display
The left side of back side of panel.
6. sound field picture synchronization localization method, which is characterized in that including such as Claims 1-4 any one of them screen sounding
Display screen the described method comprises the following steps：
A. position of the pronunciation main body in sound field in image is identified；
B. the power and phase value of audio signal corresponding with each sounding drive module are obtained according to the data relationship table；
C. the audio signal of the power and phase value is exported at least two sounding drive modules.
7. the control method of screen singing display screen as claimed in claim 6, which is characterized in that the power and phase value root
According to the different position real-time changes recognized.
8. the control method of screen singing display screen as claimed in claim 6, which is characterized in that the sounding drive module obtains
Before taking audio signal, further include：
Amplify the audio signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810678042.9A CN108806560A (en) | 2018-06-27 | 2018-06-27 | Screen singing display screen and sound field picture synchronization localization method |
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| CN201810678042.9A CN108806560A (en) | 2018-06-27 | 2018-06-27 | Screen singing display screen and sound field picture synchronization localization method |
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| CN109302664A (en) * | 2018-11-21 | 2019-02-01 | 京东方科技集团股份有限公司 | Display screen and sound output position control method and device thereof |
| CN109640221A (en) * | 2019-01-18 | 2019-04-16 | 云谷（固安）科技有限公司 | A kind of intelligent sound box and its control method |
| CN109862293A (en) * | 2019-03-25 | 2019-06-07 | 深圳创维－Rgb电子有限公司 | Control method, device and computer-readable storage medium for terminal speaker |
| CN110191303A (en) * | 2019-06-21 | 2019-08-30 | Oppo广东移动通信有限公司 | Video call method and related products based on screen sound |
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| CN111984220A (en) * | 2019-05-23 | 2020-11-24 | 海信视像科技股份有限公司 | Screen sounding device and method |
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| CN110475189A (en) * | 2019-09-05 | 2019-11-19 | Oppo广东移动通信有限公司 | Sounding control method and electronic equipment |
| CN113140164A (en) * | 2020-01-19 | 2021-07-20 | 苏州佳世达电通有限公司 | Display device with sound production function |
| WO2021238485A1 (en) * | 2020-05-27 | 2021-12-02 | 京东方科技集团股份有限公司 | Display device and working method therefor |
| US11979737B2 (en) | 2020-05-27 | 2024-05-07 | Boe Technology Group Co., Ltd. | Display device and operation method thereof |
| CN111586553A (en) * | 2020-05-27 | 2020-08-25 | 京东方科技集团股份有限公司 | Display device and working method thereof |
| CN111741412A (en) * | 2020-06-29 | 2020-10-02 | 京东方科技集团股份有限公司 | Display device, sound production control method, and sound production control device |
| US12207066B2 (en) | 2020-06-29 | 2025-01-21 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display device, sound-emitting controlling method, and sound-emitting controlling device |
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Application publication date: 20181113 |