CN105827807B - A kind of method for controlling volume and terminal device - Google Patents
A kind of method for controlling volume and terminal device Download PDFInfo
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- CN105827807B CN105827807B CN201510600579.XA CN201510600579A CN105827807B CN 105827807 B CN105827807 B CN 105827807B CN 201510600579 A CN201510600579 A CN 201510600579A CN 105827807 B CN105827807 B CN 105827807B
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Abstract
The present invention provides a kind of method for controlling volume and terminal devices, this method is applied to the terminal device equipped with voice acquisition module and digital signal processing module, it include: when detecting that the voice acquisition module is activated, it is shown on the display interface of terminal device and sends volume control item, send the transmission gain that volume control item is used to adjust digital signal processing module；When detecting that the voice acquisition module collects voice signal, transmission gain corresponding to the point of adjustment sent on volume control item is obtained；The transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the voice signal after being adjusted；Voice signal after adjusting is sent to opposite equip..The present invention sends volume control item by setting on the terminal device, changes the transmission gain of terminal device by sending volume control item, makes user that can send gain according to current talking scene change, reaches best communication effect.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of method for controlling volume and terminal device.
Background technique
With popularizing for mobile terminal, the scene of mobile terminal application is also more and more.User wants to different
Satisfied communication effect can be obtained under scene, but call will receive limitation in some scenarios, such as: in conference scenario
When, or in the unsuitable occasion spoken up such as cinema, user must whisper, and such case often leads to opposite equip.
User do not hear, it is therefore desirable to increase send volume；And user's local environment is very quiet sometimes, the machine send sound to pair
End equipment seems too big again, needs to reduce transmission volume at this time.
The height for sending volume control by the transmissions gain of terminal device, and in current terminal device, transmission increasing
It is beneficial mostly be it is pre-set by software, send gain and fix, user can not voluntarily be adjusted, and which results in different call fields
Under scape, the optimal communication effect of user cannot be supplied to.
Summary of the invention
The present invention provides a kind of method for controlling volume and terminal devices, and its purpose is to solve existing terminal device
In, it sends gain and fixes, user can not voluntarily be adjusted, the problem of can not being supplied to user's optimal communication effect.
To achieve the goals above, the embodiment provides a kind of method for controlling volume, it is applied to be equipped with voice
The terminal device of acquisition module and digital signal processing module, comprising:
When detecting that voice acquisition module is activated, is shown on the display interface of terminal device and send volume control
Item sends the transmission gain that volume control item is used to adjust digital signal processing module；
When detecting that voice acquisition module collects voice signal, it is right to obtain the point of adjustment institute sent on volume control item
The transmission gain answered；
The transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the voice signal after being adjusted；
Voice signal after adjusting is sent to opposite equip..
In order to which above-mentioned purpose is better achieved, the embodiments of the present invention also provide a kind of terminal devices, including voice to adopt
Collect module and digital signal processing module, further includes:
Display module, for being shown on the display interface of terminal device when detecting that voice acquisition module is activated
Volume control item is sent, the transmission gain that volume control item is used to adjust digital signal processing module is sent；
Module is obtained, for obtaining and sending volume control item when detecting that voice acquisition module collects voice signal
On point of adjustment corresponding to transmission gain；
Adjustment module adjusts the volume of voice signal, after obtaining adjusting for the transmission gain according to corresponding to point of adjustment
Voice signal；
Sending module, for the voice signal after adjusting to be sent to opposite equip..
Above scheme of the invention is include at least the following beneficial effects:
Method for controlling volume and terminal device provided by the invention, setting sends volume control item on the terminal device, leads to
It crosses and sends the transmission gain that volume control item changes terminal device, make user that can send gain according to current talking scene change,
Reach best communication effect, solve in the prior art send gain mostly be it is pre-set by software, user can not be voluntarily
The drawbacks of adjusting；The present invention also carries out automatic growth control (AGC) processing to the voice signal changed after sending gain, avoids sending
To the voice signal distortion or distorsion of opposite equip., guarantee the speech quality of terminal device.
Detailed description of the invention
Fig. 1 shows the basic step flow charts of the embodiment one of method for controlling volume of the invention；
Fig. 2 indicates the basic step flow chart of the embodiment two of method for controlling volume of the invention；
Fig. 3 indicates the basic step flow chart of the embodiment three of method for controlling volume of the invention；
Fig. 4 indicates the basic step flow chart of the example IV of method for controlling volume of the invention；
Fig. 5 indicates the basic step flow chart of the embodiment five of method for controlling volume of the invention；
Fig. 6 indicates the composed structure schematic diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention is directed to existing problem, provides a kind of method for controlling volume and terminal device.
Referring to Fig. 1, the embodiment of the present invention one provides a kind of method for controlling volume, comprising:
Step 101, it when detecting that voice acquisition module is activated, is shown on the display interface of terminal device and sends sound
Control strip is measured, the transmission gain that volume control item is used to adjust digital signal processing module is sent；
Wherein, terminal device can be smart phone or tablet computer etc.；Voice acquisition module can be terminal device
Microphone or other sound pick-up outfits.
It will be apparent to those skilled in that the general sense of gain is exactly amplification factor in brief, on electronics, lead to
The ratio of the signal output and signal input of Chang Weiyi system, as antenna gain indicates the ginseng of directional antenna radiation intensity
Number, the ratio between the electric field strength square generated for directional aerial and unipole antenna in predetermined direction；Amplifier gain is amplifier
The logarithm of output-input ratio value, to indicate the degree of power amplification.
Wherein, the transmission gain mentioned by the present invention, the as amplifier of the digital signal processing module of terminal device
Gain indicates the terminal device to the amplification factor of the volume of voice acquisition module voice collected.Send volume control item
For adjusting the transmission gain (i.e. amplification factor) of digital signal processing module, and always when voice acquisition module is activated
It opens, so that user adjusts the transmission gain of terminal device at any time, obtains best communication effect.
Step 102, when detecting that voice acquisition module collects voice signal, the tune sent on volume control item is obtained
Transmission gain corresponding to node；
Wherein, sending on volume control item has multiple point of adjustment, and each point of adjustment corresponds to different transmission gains.
Step 103, the transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the language after being adjusted
Sound signal；
Step 104, the voice signal after adjusting is sent to opposite equip..
Wherein, opposite equip. can be mobile phone, tablet computer or other communication terminals communicated with the terminal device.
In the above embodiment of the present invention, setting sends volume control item on the terminal device, by sending volume control
Item changes the transmission gain of terminal device, makes user that can send gain according to current talking scene change, reaches best call effect
Fruit, solving and sending gain in the prior art is mostly, user can not voluntarily be adjusted the drawbacks of pre-set by software.
Preferably, in the above embodiment of the present invention, it can select or change to send volume control by way of touching sliding
Point of adjustment on item processed；However be not limited thereto, point of adjustment can also be selected or changed by other means.
In the above embodiment of the present invention, point of adjustment is on sending volume control item, should when being moved to the other end from one end
The corresponding transmission gain of point of adjustment uniformly increases or reduces.Preferably, it sends volume control item and is detecting voice acquisition module
When being closed when unlatching, restore the transmission gain of default, the transmission gain of default can be set according to actual conditions.
Specifically, in the embodiment of the present invention two, in step 102, detect that voice acquisition module collects voice signal
Afterwards, further includes:
Collected analog voice signal is converted into audio digital signals and denoising is carried out to audio digital signals.
I.e. as shown in Fig. 2, second embodiment of the present invention provides a kind of method for controlling volume, comprising:
Step 201, it when detecting that voice acquisition module is activated, is shown on the display interface of terminal device and sends sound
Control strip is measured, the transmission gain that volume control item is used to adjust digital signal processing module is sent；
Step 202, detect that voice acquisition module collects voice signal；
Step 203, collected analog voice signal is converted into audio digital signals and audio digital signals is carried out
Denoising；
Under normal conditions, the voice acquisition module of terminal device voice signal collected is mostly analog voice signal, eventually
End equipment is equipped with coder (Codec), for converting audio digital signals for analog voice signal；And terminal device is adopted
The analog voice signal of collection includes that human voice signal, ambient noise and other noises need to eliminate environment and make an uproar according to transmission needs more
Sound and other noises retain human voice signal.
It should be noted that when terminal device has multiple voice acquisition modules, need to multiple voice acquisition modules into
Row denoising, noise is filtered out, and retains human voice signal.
Step 204, transmission gain corresponding to the point of adjustment sent on volume control item is obtained；
Step 205, the transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the language after being adjusted
Sound signal；
Step 206, the voice signal after adjusting is sent to opposite equip..
In the above embodiment of the present invention, by carrying out denoising to the collected voice signal of voice acquisition module,
Filtering environmental noise and other noises retain human voice signal, reduce the interference that voice signal is subject to, terminal device is made to be supplied to use
The optimal communication effect in family.
It will be apparent to those skilled in that there are three important parameters for voice signal, it is respectively as follows: frequency, amplitude and phase；Its
In, amplitude is the amplitude of voice signal, indicates the intensity of voice signal.In the above embodiment of the present invention, by changing terminal
The amplification factor of the digital signal processing module of equipment changes transmission gain, however for some stronger languages of amplitude itself
Sound signal sends gain using increasing, and amplitude can become stronger, will cause voice signal distortion or distorsion, therefore after adjusting
Voice signal still need to carry out amplitude limitation processing.
Therefore, in the embodiment of the present invention three, step 104 includes:
Automatic growth control AGC processing is carried out to the voice signal after adjusting and will be by AGC treated voice signal
It is sent to opposite equip..
I.e. as shown in figure 3, the embodiment of the present invention three provides a kind of method for controlling volume, comprising:
Step 301, it when detecting that voice acquisition module is activated, is shown on the display interface of terminal device and sends sound
Control strip is measured, the transmission gain that volume control item is used to adjust digital signal processing module is sent；
Step 302, when detecting that voice acquisition module collects voice signal, the tune sent on volume control item is obtained
Transmission gain corresponding to node；
Step 303, the transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the language after being adjusted
Sound signal；
Step 304, to the voice signal after adjusting carry out automatic growth control AGC processing and will by AGC treated
Voice signal is sent to opposite equip..
In the above embodiment of the present invention, automatic growth control (AGC) be make amplifying circuit Gain Automaticly with signal
Intensity and the autocontrol method adjusted, AGC are one kind of clipping output, it utilizes effective group of Linear Amplifer and compression amplification
Conjunction is adjusted output signal, and the amplitude of gain is automatically controlled by changing input and output compression factor.
In the above embodiment of the present invention, by carrying out AGC processing to the voice signal after adjusting, avoid being sent to opposite end
The voice signal of equipment is distorted or distorsion, guarantees the speech quality of terminal device.
Specifically, in the embodiment of the present invention four, step 304 includes:
The signal amplitude of voice signal after obtaining preset transmission signal threshold value and adjusting, sends signal threshold value
The maximum value of the signal amplitude of voice signal is sent for the terminal device equipment；
The signal amplitude of voice signal according to preset transmission signal threshold value and after adjusting, will be handled by AGC
Voice signal afterwards is sent to opposite equip..
I.e. as shown in figure 4, the embodiment of the present invention four provides a kind of method for controlling volume, comprising:
Step 401, it when detecting that voice acquisition module is activated, is shown on the display interface of terminal device and sends sound
Control strip is measured, the transmission gain that volume control item is used to adjust digital signal processing module is sent；
Step 402, when detecting that voice acquisition module collects voice signal, the tune sent on volume control item is obtained
Transmission gain corresponding to node；
Step 403, the transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the language after being adjusted
Sound signal；
Step 404, the preset signal amplitude for sending the voice signal after signal threshold value and adjusting is obtained, letter is sent
Number threshold value is the maximum value for the signal amplitude that the terminal device equipment sends voice signal；
Step 405, the signal amplitude of the voice signal according to preset transmission signal threshold value and after adjusting, will pass through
Treated that voice signal is sent to opposite equip. by AGC.
In the above embodiment of the present invention, sending signal threshold value is the signal that the terminal device equipment sends voice signal
The maximum value of amplitude, i.e., in the case where sending voice signal fidelity, the maximum value for the signal amplitude that can be carried；The present invention is logical
It crosses and obtains preset transmission signal threshold value, the letter of the voice signal further according to preset transmission signal threshold value and after adjusting
Number amplitude, will by AGC, treated that voice signal is sent to opposite equip., avoid the signal amplitude of the voice signal after adjusting
Maximum value beyond the signal amplitude that terminal device can carry causes the voice signal distortion or broken for being sent to opposite equip.
Sound.
Specifically, in the embodiment of the present invention five, step 405 includes:
If adjust after voice signal signal amplitude be greater than send signal threshold value, to the voice signal after adjusting into
Row compression process, and the voice signal Jing Guo compression process is sent to opposite equip.；
If the signal amplitude of the voice signal after adjusting is less than or equal to send signal threshold value, the voice after adjusting is believed
Number it is sent to opposite equip..
As shown in figure 5, the embodiment of the present invention five provides a kind of method for controlling volume, comprising:
Step 501, it when detecting that voice acquisition module is activated, is shown on the display interface of terminal device and sends sound
Control strip is measured, the transmission gain that volume control item is used to adjust digital signal processing module is sent；
Step 502, when detecting that voice acquisition module collects voice signal, the tune sent on volume control item is obtained
Transmission gain corresponding to node；
Step 503, the transmission gain according to corresponding to point of adjustment adjusts the volume of voice signal, the language after being adjusted
Sound signal；
Step 504, the preset signal amplitude for sending the voice signal after signal threshold value and adjusting is obtained, letter is sent
Number threshold value is the maximum value for the signal amplitude that the terminal device equipment sends voice signal；
Step 505, if the signal amplitude of the voice signal after adjusting, which is greater than, sends signal threshold value, to the language after adjusting
Sound signal carries out compression process, and the voice signal Jing Guo compression process is sent to opposite equip.；
Step 506, if the signal amplitude of the voice signal after adjusting is less than or equal to send signal threshold value, after adjusting
Voice signal be sent to opposite equip..
In the above embodiment of the present invention, in step 505 to after adjusting voice signal carry out compression process the step of, packet
It includes:
The signal amplitude for reducing the voice signal after adjusting makes the signal amplitude of the voice signal after adjusting be less than or equal to hair
Send signal threshold value.Wherein, compression process is to reduce the signal amplitude of the voice signal after adjusting, in order to avoid adjusting
The maximum value for the signal amplitude that the signal amplitude of voice signal afterwards can be carried beyond terminal device.
In the above embodiment of the present invention, by comparing the signal amplitude and transmission signalc threshold of the voice signal after adjusting
The voice signal that signal amplitude is less than or equal to send signal threshold value is transmitted directly to opposite equip. by value, and to signal amplitude
Compression process is carried out greater than the voice signal for sending signal threshold value, makes its signal amplitude without departing from signal threshold value is sent, protects
The voice signal that card is sent to opposite equip. will not be distorted or distorsion.
In order to which above-mentioned purpose is better achieved, referring to Fig. 6, the embodiment of the present invention also provides a kind of terminal device, including language
Sound acquisition module and digital signal processing module, further includes:
Display module 601, for being shown on the display interface of terminal device when detecting that voice acquisition module is activated
Show and send volume control item, sends the transmission gain that volume control item is used to adjust digital signal processing module；
Module 602 is obtained, for obtaining and sending volume control when detecting that voice acquisition module collects voice signal
Transmission gain corresponding to point of adjustment on item；
Adjustment module 603 adjusts the volume of voice signal, is adjusted for the transmission gain according to corresponding to point of adjustment
Voice signal after section；
Sending module 604, for the voice signal after adjusting to be sent to opposite equip..
In the above embodiment of the present invention, point of adjustment is on sending volume control item, should when being moved to the other end from one end
The corresponding transmission gain of point of adjustment uniformly increases or reduces.
Preferably, in the above embodiment of the present invention, the terminal device further include:
Processing module, for obtaining after module 602 detects that voice acquisition module collects voice signal,
Collected analog voice signal is converted into audio digital signals and denoising is carried out to audio digital signals.
Preferably, in the above embodiment of the present invention, sending module 604 is also used to:
Automatic growth control AGC processing is carried out to the voice signal after adjusting and will be by AGC treated voice signal
It is sent to opposite equip..
Preferably, in the above embodiment of the present invention, sending module 604 is specifically included:
Acquisition submodule, the signal width for the voice signal after obtaining preset transmission signal threshold value and adjusting
Degree sends the maximum value that signal threshold value is the signal amplitude that the terminal device equipment sends voice signal；
Sending submodule, the signal width for the voice signal according to preset transmission signal threshold value and after adjusting
Degree, will treated that voice signal is sent to opposite equip. by AGC.
Preferably, in the above embodiment of the present invention, sending submodule is specifically included:
First transmission unit, it is right if the signal amplitude for the voice signal after adjusting is greater than transmission signal threshold value
Voice signal after adjusting carries out compression process, and the voice signal Jing Guo compression process is sent to opposite equip.；
Second transmission unit, if the signal amplitude for the voice signal after adjusting is less than or equal to send signal threshold value
When, the voice signal after adjusting is sent to opposite equip..
Preferably, in the above embodiment of the present invention, the first transmission unit includes compression process subelement, for adjusting
Voice signal afterwards carries out compression process, specifically includes: reducing the signal amplitude of the voice signal after adjusting, makes the language after adjusting
The signal amplitude of sound signal is less than or equal to send signal threshold value.
It should be noted that terminal device provided in an embodiment of the present invention is the terminal device using the above method, i.e., on
All embodiments for stating method are suitable for the terminal device, and can reach the same or similar beneficial effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of method for controlling volume, applied to the terminal device for being equipped with voice acquisition module and digital signal processing module,
It is characterised by comprising:
When detecting that the voice acquisition module is activated, is shown on the display interface of the terminal device and send volume control
Item processed, the transmission gain for sending volume control item and being used to adjust the digital signal processing module；
When detecting that the voice acquisition module collects voice signal, the point of adjustment sent on volume control item is obtained
Corresponding transmission gain；
According to transmission gain corresponding to the point of adjustment, the volume of the voice signal is adjusted, the voice letter after being adjusted
Number；
Voice signal after the adjusting is sent to opposite equip.；
The step of voice signal by after the adjusting is sent to opposite equip., comprising:
Automatic growth control AGC processing is carried out to the voice signal after the adjusting and will be by AGC treated voice signal
It is sent to opposite equip.；
The voice signal to after the adjusting carries out automatic growth control AGC processing and will be by AGC treated voice
Signal is sent to the step of opposite equip., specifically includes:
The signal amplitude of voice signal after obtaining preset transmission signal threshold value and adjusting, the transmission signal threshold value
The maximum value of the signal amplitude of voice signal is sent for the terminal device equipment；
The signal amplitude of voice signal according to the preset transmission signal threshold value and after adjusting, will be handled by AGC
Voice signal afterwards is sent to opposite equip..
2. method for controlling volume as described in claim 1, which is characterized in that the point of adjustment is in the transmission volume control item
On, when being moved to the other end from one end, the corresponding transmission gain of the point of adjustment is uniformly increased or reduced.
3. method for controlling volume as claimed in claim 1 or 2, which is characterized in that described to detect the voice acquisition module
After the step of collecting voice signal, further includes:
Collected analog voice signal is converted into audio digital signals and denoising is carried out to the audio digital signals.
4. method for controlling volume as described in claim 1, which is characterized in that described according to the preset transmission signalc threshold
The signal amplitude of value and the voice signal after adjusting, will be by the step of AGC treated voice signal is sent to opposite equip.
Suddenly, it specifically includes:
If the signal amplitude of the voice signal after the adjusting is greater than the transmission signal threshold value, to the language after the adjusting
Sound signal carries out compression process, and the voice signal Jing Guo compression process is sent to opposite equip.；
If the signal amplitude of the voice signal after the adjusting is less than or equal to the transmission signal threshold value, after the adjusting
Voice signal be sent to opposite equip..
5. method for controlling volume as claimed in claim 4, which is characterized in that the voice signal to after the adjusting carries out
The step of compression process, comprising:
Reduce the signal amplitude of the voice signal after adjusting the section, the signal amplitude of the voice signal after making the adjusting is less than etc.
In the transmission signal threshold value.
6. a kind of terminal device, including voice acquisition module and digital signal processing module, which is characterized in that further include:
Display module, for when detecting that the voice acquisition module is activated, on the display interface of the terminal device
Display sends volume control item, the transmission gain for sending volume control item and being used to adjust the digital signal processing module；
Module is obtained, for obtaining the transmission volume control when detecting that the voice acquisition module collects voice signal
Transmission gain corresponding to point of adjustment on item processed；
Adjustment module adjusts the volume of the voice signal, is adjusted for the transmission gain according to corresponding to the point of adjustment
Voice signal after section；
Sending module, for the voice signal after the adjusting to be sent to opposite equip.；
The sending module is also used to:
Automatic growth control AGC processing is carried out to the voice signal after the adjusting and will be by AGC treated voice signal
It is sent to opposite equip.；
The sending module specifically includes:
Acquisition submodule, for the signal amplitude of the voice signal after obtaining preset transmission signal threshold value and adjusting, institute
State the maximum value for sending that signal threshold value is the signal amplitude that the terminal device equipment sends voice signal；
Sending submodule, the signal width for the voice signal according to the preset transmission signal threshold value and after adjusting
Degree, will treated that voice signal is sent to opposite equip. by AGC.
7. terminal device as claimed in claim 6, which is characterized in that the point of adjustment on the transmission volume control item,
When being moved to the other end from one end, the corresponding transmission gain of the point of adjustment is uniformly increased or reduced.
8. terminal device as claimed in claims 6 or 7, which is characterized in that further include:
Processing module, for after the acquisition module detects that the voice acquisition module collects voice signal,
Collected analog voice signal is converted into audio digital signals and denoising is carried out to the audio digital signals.
9. terminal device as claimed in claim 6, which is characterized in that the sending submodule specifically includes:
First transmission unit, if the signal amplitude for the voice signal after the adjusting is greater than the transmission signal threshold value
When, compression process is carried out to the voice signal after the adjusting, and the voice signal Jing Guo compression process is sent to opposite end and is set
It is standby；
Second transmission unit, if the signal amplitude for the voice signal after the adjusting is less than or equal to the transmission signalc threshold
When value, the voice signal after the adjusting is sent to opposite equip..
10. terminal device as claimed in claim 9, which is characterized in that first transmission unit includes that compression process is single
Member, for specifically including to the voice signal progress compression process after the adjusting:
Reduce the signal amplitude of the voice signal after adjusting the section, the signal amplitude of the voice signal after making the adjusting is less than etc.
In the transmission signal threshold value.
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| CN201510600579.XA CN105827807B (en) | 2015-09-18 | 2015-09-18 | A kind of method for controlling volume and terminal device |
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| CN201510600579.XA CN105827807B (en) | 2015-09-18 | 2015-09-18 | A kind of method for controlling volume and terminal device |
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| CN106528042A (en) * | 2016-11-22 | 2017-03-22 | 上海与德信息技术有限公司 | Volume control method and device based on earphone playing |
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| CN101207649A (en) * | 2006-12-18 | 2008-06-25 | 中兴通讯股份有限公司 | System of sounding volume regulation and silencing |
| CN101415045A (en) * | 2007-10-17 | 2009-04-22 | 北京三星通信技术研究有限公司 | Method and apparatus for implementing intelligent automatic level control in communication network |
| KR101544475B1 (en) * | 2008-11-28 | 2015-08-13 | 엘지전자 주식회사 | Controlling of Input/Output through touch |
| CN102915753B (en) * | 2012-10-23 | 2015-09-30 | 华为终端有限公司 | A kind of method of Based Intelligent Control volume of electronic equipment and implement device |
| CN104065788B (en) * | 2014-06-30 | 2015-08-12 | 深圳市中兴移动通信有限公司 | Regulate method and the mobile terminal of volume |
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