CN111918123A - Method for self-adaptively adjusting television sound effect according to user environment and television system thereof - Google Patents
Method for self-adaptively adjusting television sound effect according to user environment and television system thereof Download PDFInfo
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- CN111918123A CN111918123A CN202010789415.7A CN202010789415A CN111918123A CN 111918123 A CN111918123 A CN 111918123A CN 202010789415 A CN202010789415 A CN 202010789415A CN 111918123 A CN111918123 A CN 111918123A
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- 230000000694 effects Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000035945 sensitivity Effects 0.000 claims abstract description 96
- 230000005236 sound signal Effects 0.000 claims abstract description 30
- 238000012937 correction Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 15
- 210000005069 ears Anatomy 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42222—Additional components integrated in the remote control device, e.g. timer, speaker, sensors for detecting position, direction or movement of the remote control, microphone or battery charging device
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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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Abstract
The invention discloses a method for self-adaptively adjusting television sound effect according to user environment and a television system thereof, wherein the television system comprises a television and a radio device, and the radio device is placed at a position where a user frequently watches the television; when the self-adaptive sound effect adjustment is started, the sweep frequency audio signal is played on the television, the radio device carries out the radio according to the preset frequency point and records the sensitivity of the frequency point. And comparing the sensitivity of the frequency point recorded by the radio device with the sensitivity of the frequency point preset by the original complete machine, and adaptively adjusting the gain of the frequency point with more sensitivity deviation. The invention can make the user hear the high-quality sound effect in the laboratory in the home environment.
Description
Technical Field
The invention relates to the field of audio and video display and play equipment, in particular to a method for adaptively adjusting television sound effect according to user environment and a television system thereof.
Background
At present, intelligent sound boxes which are similar to the intelligent sound boxes capable of adaptively adjusting sound effects exist in the market, the intelligent sound boxes are provided with sound receiving devices, and spatial position parameters are obtained through comparison of played sound and recovered reflected sound to adaptively adjust sound effect parameters.
In the actual environment of the user, not only the distance parameter, but also the user position, the layout, decoration or material of the user's home, etc. may also affect the audio signals of different frequency bands.
Disclosure of Invention
The invention aims to provide a method for adaptively adjusting television sound effect according to user environment and a television system thereof, which can adaptively adjust the television sound effect according to the user environment and the actual audio-visual position of a user.
The technical scheme adopted by the invention is as follows:
the method for adaptively adjusting the sound effect of the television according to the environment of a user comprises the following steps:
step 1, placing a radio receiving device in communication connection with a television system at a position where a user frequently watches television;
step 2, the television system plays audio signals according to the designated volume and the preset frequency point,
step 3, the radio device receives the radio according to the preset frequency point and records the sensitivity of the frequency point;
step 4, comparing the sound sensitivity of each frequency point recorded by the sound receiving device with the sound sensitivity of the original preset frequency point to obtain comparison information;
step 5, the television system calculates the average value of the whole sensitivity drop based on the comparison information,
step 6, comparing the average value of the sensitivity drop with the sensitivity drop value of each frequency point, and taking the frequency point with the comparison drop not within the set range as the frequency point to be readjusted;
step 7, adjusting gain of the frequency points to be readjusted until all the frequency points to be adjusted are corrected;
as a preferred embodiment, further, in step 1, the sound receiving device is mounted on a remote controller or an earphone-like device equipped with the sound receiving device. As a preferred embodiment, the television system and the radio device communicate with each other through BT or other wireless transmission and reception devices. As a preferred implementation manner, further, in step 2, the television system notifies the sound receiving device to start sound reception according to the original preset frequency point through the BT or other wireless transmitting and receiving devices.
As an optional implementation manner, further, in step 2, the audio signal may be selected as a 16-16K swept-frequency audio signal, and may also be selected or changed according to the audio characteristics defined by the product, when the audio signal is a 16-16K swept-frequency audio signal; the preset frequency point selects and records frequency point information between 16K and 16K according to the characteristics of human ears, and divides the frequency sweeping signals of 16K to 16K into 10 frequency ranges according to the characteristics of sound frequency ranges: 16-32, 32-64, 64-125, 125-250, 250-500, 500-1K, 1K-2K, 2K-4K, 4K-8K, 8K-16K; the requirement of accuracy and the number of the gain of the reserved adjustable frequency points of the product, and the number of the frequency points to be compared in each frequency range is selected.
As a preferred embodiment, further, the preset frequency point is preset by a manufacturer according to the characteristics of the sound and the accuracy of the adaptive adjustment.
Selecting and recording frequency point information between 16K and 16K according to the characteristics of human ears;
dividing the frequency sweep signal of 16-16K into 10 frequency ranges according to the sound frequency range characteristics: 16-32, 32-64, 64-125, 125-250, 250-500, 500-1K, 1K-2K, 2K-4K, 4K-8K, 8K-16K;
and (4) selecting the number of frequency points to be compared in each frequency range by a manufacturer according to the requirement of accuracy and the number of the gain of the reserved adjustable frequency points of the product.
As a preferred embodiment, further, the radio receiver is mounted on a remote controller, the preset frequency point sensitivity is pre-stored in the remote controller, the sound sensitivity of each frequency point recorded by the remote controller in step 4 is compared with the original preset frequency point sound sensitivity, and the comparison information is sent to the television system.
As a preferred embodiment, further, the preset frequency point sensitivity is prestored in the television system, the television system receives the frequency point sensitivity recorded by the radio device in step 4, and the read recorded sound sensitivity of each frequency point is compared with the original preset frequency point sound sensitivity to obtain comparison information.
Further, the specific steps of step 5 are:
step 5-1, respectively calculating the sensitivity variance value of each frequency point based on the comparison information,
step 5-2, comparing the sensitivity drop value of each frequency point with the drop values of other frequency points, and grouping the frequency points with the comparison range within the allowable range into a group; the allowable range is within. + -. 0.5 dB.
And 5-3, calculating the average value of the sensitivity drops of the group with the most frequency points, and taking the average value of the sensitivity drops as the integral drop of the sensitivity of each frequency point of the user and the sensitivity of the original preset frequency point.
Further, the range is set within ± 1dB in step 6.
Further, the specific steps of step 7 are:
step 7-1, taking the frequency point to be adjusted to carry out gain adjustment, reading the sensitivity of the frequency point, and repeatedly comparing and adjusting the sensitivity of the frequency point with the sensitivity of the original preset frequency point until the sensitivity fall of the frequency point is within an allowable range;
7-2, judging whether all frequency point corrections of which the gain needs to be adjusted are finished; if yes, finishing gain correction; otherwise, step 7-1 is performed.
Further, after the multiple corrections fail in step 7-1, the sensitivity fall of the frequency point is not within the allowable range, and a frequency point correction data table preset by the system is directly called for gain correction.
Further, in step 7, a frequency point correction data table preset by the system is directly called to perform gain correction on the frequency point to be readjusted.
The invention also discloses a television system for adaptively adjusting the television sound effect according to the user environment, which adopts the method for adaptively adjusting the television sound effect according to the user environment, wherein the television system comprises a television and a radio device, the television comprises a controller, and a communication module, a loudspeaker and a memory which are connected with the controller; the controller is in communication connection with the radio device through the communication module; the controller comprises a microprocessor, a frequency sweep sound signal generation module and a frequency point gain adjustment module, wherein the frequency sweep sound signal generation module provides frequency sweep sound signals and plays the frequency sweep sound signals through a loudspeaker under the control of the controller, a sound receiving device receives the sound according to preset frequency points and records the sensitivity of the frequency points, the microprocessor determines the frequency points needing to be readjusted based on comparison information obtained by comparing the sound sensitivity of the frequency points recorded by the sound receiving device with the sound sensitivity of the original preset frequency points, and the frequency point gain adjustment module is used for adjusting the gain of the frequency points needing to be readjusted.
By adopting the technical scheme, the remote controller is provided with the Mic device (or the Mic radio receiving device is arranged in an earphone-like mode), when the self-adaptive sound effect adjustment is started, 16-16KHZ swept-frequency audio signals are played on the television, the Mic carries out radio receiving according to preset frequency points, and the sensitivity (dB) of the frequency points is recorded. And comparing the frequency point sensitivity recorded by the Mic with the preset frequency point sensitivity of the original complete machine, and adaptively adjusting the frequency point gain with more sensitivity deviation so as to achieve the aim that a user can hear the high-quality sound effect of a laboratory in a home environment.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and the detailed description;
fig. 1 is a schematic diagram of a television system according to the present invention;
FIG. 2 is a flow chart illustrating a method for adaptively adjusting the sound effect of a television according to the environment of a user according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The system adopted by the invention comprises a television and a radio device, as shown in figure 1, the television comprises a controller, a communication module, a loudspeaker and a memory, wherein the communication module, the loudspeaker and the memory are connected with the controller; the controller is in communication connection with the radio device through the communication module; the controller comprises a microprocessor, a frequency sweep sound signal generation module and a frequency point gain adjustment module, wherein the frequency sweep sound signal generation module provides frequency sweep sound signals and plays the frequency sweep sound signals through a loudspeaker under the control of the controller, a sound receiving device receives the sound according to preset frequency points and records the sensitivity of the frequency points, the microprocessor determines the frequency points needing to be readjusted based on comparison information obtained by comparing the sound sensitivity of the frequency points recorded by the sound receiving device with the sound sensitivity of the original preset frequency points, and the frequency point gain adjustment module is used for adjusting the gain of the frequency points needing to be readjusted.
As a preferred embodiment, further, the sound receiving device (Mic device for receiving sound) can be a remote controller matched with our TV and is provided with a Mic sound receiving device; or a wired or wireless Mic device dedicated for calibration; the Mic radio device can also be made into a wireless or wired earphone mode, and a user wears the Mic radio device and sits at the normally sitting position of the Mic radio device to perform sound effect correction, so that the ear radio of the user can be simulated more truly, and the accuracy of self-correcting the sound effect of the user environment is improved;
in a preferred embodiment, the communication module is a BT or other wireless transceiver, and the television system and the radio receiver communicate with each other through the BT or other wireless transceiver.
As shown in FIG. 2, the present invention discloses a method for adaptively adjusting the sound effect of a television according to the environment of a user, which comprises the following steps:
step 1, placing a radio receiving device in communication connection with a television system at a position where a user frequently watches television;
step 2, the television system plays audio signals according to the designated volume and the preset frequency point,
further, the audio signal may be selected as a 16-16K swept frequency audio signal, and may be selected or modified according to the audio characteristics defined by the product. The television system informs the radio receiving device to start radio reception according to the original preset frequency point through BT or other wireless transmitting and receiving devices. The preset frequency point is preset by a manufacturer according to the characteristics of sound and the self-adaptive adjustment accuracy.
Without loss of generality, the audio signal is selected as a 16-16K sweep frequency audio signal for explanation, and when the audio signal is a 16-16K sweep frequency audio signal; the generation method of the preset frequency point comprises the following steps:
A. selecting and recording frequency point information between 16K and 16K according to the characteristics of human ears;
B. dividing the frequency sweep signal of 16-16K into 10 frequency ranges according to the sound frequency range characteristics: 16-32, 32-64, 64-125, 125-250, 250-500, 500-1K, 1K-2K, 2K-4K, 4K-8K, 8K-16K;
C. and (4) selecting the number of frequency points to be compared in each frequency range by a manufacturer according to the requirement of accuracy and the number of the gain of the reserved adjustable frequency points of the product.
Step 3, the radio device receives the radio according to the preset frequency point and records the sensitivity of the frequency point;
step 4, comparing the sound sensitivity of each frequency point recorded by the sound receiving device with the sound sensitivity of the original preset frequency point to obtain comparison information;
specifically, as a preferred embodiment, the preset frequency point sensitivity is pre-stored in the television system, each preset frequency point sound sensitivity read by the radio device is sent back to the whole machine through bluetooth or other wireless sending and devices, and each read frequency point sound sensitivity is compared with the original preset frequency point sound sensitivity in the whole machine system to obtain comparison information.
As another possible implementation mode, aiming at the fact that the radio receiving device is assembled on a remote controller, a television remote control end can also exist at every degree of preset frequency points, and the television remote control end performs comparison and then sends comparison information to a television;
step 5, the television system calculates the average value of the whole sensitivity drop based on the comparison information,
specifically, because the distance and angle between the user test position and the data measured by the preset parameters of the television local machine may be different, the sensitivity of each frequency point read by the user and the sensitivity of the original preset frequency point have an overall intensity drop.
Further, the specific steps of step 5 are:
step 5-1, respectively calculating the sensitivity variance value of each frequency point based on the comparison information,
step 5-2, comparing the sensitivity drop value of each frequency point with the drop values of other frequency points, and grouping the frequency points with the comparison range within the allowable range into a group; the allowable range is within. + -. 0.5 dB.
And 5-3, calculating the average value of the sensitivity drops of the group with the most frequency points, and taking the average value of the sensitivity drops as the integral drop of the sensitivity of each frequency point of the user and the sensitivity of the original preset frequency point.
For example, 10 points are obtained, the sensitivity difference (unit dB) of each frequency point comparison is 3/3.5/2.9/2.8/4/3.3/6/3.4/5/3, and after comparison, there may be (3/3.5/2.9/2.8/3.3/3.4/3)7 frequency points, (3.5/3/4/3.3/3.4/3)6 frequency points, (2.9/3/2.8/3.3/3.4/3)6 frequency points, (4/3.5)2 frequency points, (6)1 frequency point and other sets, and the average value of the most groups, i.e., 7 frequency point groups, is 3.13.
Step 6, comparing the average value of the sensitivity drop with the sensitivity drop value of each frequency point, and taking the frequency point with the comparison drop not within the set range as the frequency point to be readjusted; further, as a preferred embodiment, the setting range may be selected to be within ± 1 dB.
Step 7, adjusting gain of the frequency points to be readjusted until all the frequency points to be adjusted are corrected;
further, the specific steps of step 7 are:
step 7-1, taking the frequency point to be adjusted to carry out gain adjustment, reading the sensitivity of the frequency point, and repeatedly comparing and adjusting the sensitivity of the frequency point with the sensitivity of the original preset frequency point until the sensitivity fall of the frequency point is within an allowable range;
further, as another preferred embodiment, when the sensitivity fall of the frequency point is not within the allowable range after the multiple corrections are failed in step 7-1, directly calling a frequency point correction data table preset by the system to perform gain correction.
7-2, judging whether all frequency point corrections of which the gain needs to be adjusted are finished; if yes, finishing gain correction; otherwise, step 7-1 is performed.
As another possible implementation manner, in step 7, a frequency point correction data table preset by the system is directly called to perform gain correction on the frequency point to be readjusted.
Specifically, the frequency point correction data table is shown in table 1, for example, if the actual sensitivity of a certain frequency point is measured, for example, as a left column difference, table look-up gain compensation is performed on the frequency point according to a right column.
Table 1: frequency point correction data table
| The difference in sensitivity is measured (user's home higher note negative) | Gain compensation |
| -ndB | -ndB |
| 1dB | 0.5dB |
| 2dB | 1dB |
| 3dB | 1.5dB |
| 4dB | 2dB |
| … | … |
| ndB n≥12dB | 6dB |
The sound effect self-correction method of the invention is also applicable to the correction of sound systems comprising 2.0 channels or other multi-channels such as 5.1 or 7.1.
The invention adopts the technical proposal that the radio device is arranged on a remote controller or is provided with a Mic radio device in a similar earphone mode) and is placed at a position where a user frequently watches TV; when the self-adaptive sound effect adjustment is started, 16-16KHZ swept frequency audio signals are played on a television, and Mic executes sound reception according to preset frequency points and records the sensitivity (dB) of the frequency points. And comparing the frequency point sensitivity recorded by the Mic with the preset frequency point sensitivity of the original complete machine, and adaptively adjusting the frequency point gain with more sensitivity deviation. So as to achieve the purpose that the user can hear the high-quality sound effect of the laboratory in the home environment.
The whole television system can correct the gain of the corresponding frequency point on the basis of comparing the sound sensitivity difference of the scanning frequency point in the user environment so as to eliminate or reduce the difference between the sound effect and the laboratory adjustment sound effect caused by the actual watching position of the user due to the television use environment (environment space, furniture layout and absorption or reflection of sound signals of the non-existing frequency band by different decorative materials).
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (10)
1. The method for self-adaptively adjusting the sound effect of the television according to the environment of the user is characterized in that: which comprises the following steps:
step 1, placing a radio receiving device in communication connection with a television system at a position where a user frequently watches television;
step 2, the television system plays audio signals according to the designated volume and the preset frequency points;
step 3, the radio device receives the radio according to the preset frequency point and records the sensitivity of the frequency point;
step 4, comparing the sound sensitivity of each frequency point recorded by the sound receiving device with the sound sensitivity of the original preset frequency point to obtain comparison information;
step 5, the television system calculates the average value of the sensitivity drops of all the frequency points on the basis of the comparison information;
step 6, comparing the average value of the sensitivity drop with the sensitivity drop value of each frequency point, and taking the frequency point with the comparison drop value not in the set range as the frequency point to be readjusted;
and 7, adjusting the gain of the frequency points needing to be adjusted again until all the frequency points needing to be adjusted are corrected.
2. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: in the step 1, the radio receiver is assembled on a remote controller or an earphone-like device provided with the radio receiver.
3. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: the preset frequency point is preset by a manufacturer according to the characteristics of sound and the self-adaptive adjustment accuracy.
4. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: the sound receiving device is assembled on the remote controller, the preset frequency point sensitivity is pre-stored in the remote controller, the sound sensitivity of each frequency point recorded by the remote controller in the step 4 is compared with the original preset frequency point sound sensitivity, and the comparison information is sent to the television system.
5. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: and (4) pre-storing the preset frequency point sensitivity in a television system, receiving the frequency point sensitivity recorded by the radio device by the television system in step 4, and comparing the sound sensitivity of each frequency point read to be recorded with the sound sensitivity of the original preset frequency point to obtain comparison information.
6. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: the specific steps of the step 5 are as follows:
step 5-1, respectively calculating sensitivity drop values of all frequency points based on the comparison information;
step 5-2, comparing the sensitivity drop value of each frequency point with the drop values of other frequency points respectively, and grouping the frequency points of which the comparison result is within an allowable range into a group;
and 5-3, calculating the average value of the sensitivity drops of the group with the most frequency points, and taking the average value of the sensitivity drops as the integral drop of the sensitivity of each frequency point of the user and the sensitivity of the original preset frequency point.
7. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: the specific steps of the step 7 are as follows:
step 7-1, taking the frequency point to be adjusted to carry out gain adjustment, reading the sensitivity of the frequency point, and repeatedly comparing and adjusting the sensitivity of the frequency point with the sensitivity of the original preset frequency point until the sensitivity fall of the frequency point is within an allowable range;
7-2, judging whether all frequency point corrections of which the gain needs to be adjusted are finished; if yes, finishing gain correction; otherwise, step 7-1 is performed.
8. The method of claim 7 wherein the method further comprises the steps of: and 7-1, directly calling a frequency point correction data table preset by the system to perform gain correction when the sensitivity fall of the frequency point is not within the allowable range after the correction fails for multiple times.
9. The method of claim 1 for adaptively adjusting television sound effects according to user environment, wherein: and 7, directly calling a frequency point correction data table preset by the system to carry out gain correction on the frequency points needing to be readjusted.
10. A television system for adaptively adjusting television sound effects according to a user's environment, using the method for adaptively adjusting television sound effects according to a user's environment according to any one of claims 1 to 9, characterized in that: the television system comprises a television and a radio device, wherein the television comprises a controller, a communication module, a loudspeaker and a memory, wherein the communication module, the loudspeaker and the memory are connected with the controller; the controller is in communication connection with the radio device through the communication module; the controller comprises a microprocessor, a frequency sweep sound signal generation module and a frequency point gain adjustment module, wherein the frequency sweep sound signal generation module provides frequency sweep sound signals and plays the frequency sweep sound signals through a loudspeaker under the control of the controller, a sound receiving device receives the sound according to preset frequency points and records the sensitivity of the frequency points, the microprocessor determines the frequency points needing to be readjusted based on comparison information obtained by comparing the sound sensitivity of the frequency points recorded by the sound receiving device with the sound sensitivity of the original preset frequency points, and the frequency point gain adjustment module is used for adjusting the gain of the frequency points needing to be readjusted.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080037805A1 (en) * | 2006-04-17 | 2008-02-14 | Sony Corporation | Audio output device and method for calculating parameters |
| CN107438130A (en) * | 2016-05-26 | 2017-12-05 | 中兴通讯股份有限公司 | Method of adjustment, device and the terminal of speech gain |
| CN109274909A (en) * | 2018-09-19 | 2019-01-25 | 深圳创维－Rgb电子有限公司 | Television sound method of adjustment, television set and storage medium |
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- 2020-08-07 CN CN202010789415.7A patent/CN111918123A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080037805A1 (en) * | 2006-04-17 | 2008-02-14 | Sony Corporation | Audio output device and method for calculating parameters |
| CN107438130A (en) * | 2016-05-26 | 2017-12-05 | 中兴通讯股份有限公司 | Method of adjustment, device and the terminal of speech gain |
| CN109274909A (en) * | 2018-09-19 | 2019-01-25 | 深圳创维－Rgb电子有限公司 | Television sound method of adjustment, television set and storage medium |
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