CN106060264A - Volume adjustment method and apparatus, and mobile terminal - Google Patents
Volume adjustment method and apparatus, and mobile terminal Download PDFInfo
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- CN106060264A CN106060264A CN201610494835.6A CN201610494835A CN106060264A CN 106060264 A CN106060264 A CN 106060264A CN 201610494835 A CN201610494835 A CN 201610494835A CN 106060264 A CN106060264 A CN 106060264A
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- volume
- audio frequency
- default
- adjusting process
- volume adjusting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
Abstract
The present invention discloses a volume adjustment method and apparatus, and a mobile terminal. The method includes the steps of acquiring a signal amplitude of an audio input signal; determining whether the signal amplitude meets a preset condition; if it is determined that the signal amplitude meets the preset condition, invoking a preset volume adjustment process corresponding to the preset condition; and adjusting the audio volume according to the preset volume adjustment process. In the method, different preset volume adjustment processes are invoked correspondingly according to different preset conditions that the signal amplitude of the audio input digital signal meets, so as to adjust the volume of the audio. Through adoption of the method, a terminal can adjust an audio volume flexibly.
Description
Technical field
The invention belongs to audio signal processing technique field, particularly relate to the control method of a kind of volume, device and mobile terminal.
Background technology
Audio frequency broadcasting is a necessary functions of mobile terminal.During mobile terminal playing audio file, often
Need the volume of audio file is adjusted.Such as, the shifting of Android (Android) operating system is being installed by current manufacturer
In dynamic terminal, general employing is held audio frequency supplied with digital signal number at application processor (Application Processor)
The mode of word gain regulates the volume of audio frequency.
But, above-mentioned audio frequency supplied with digital signal is carried out digital gain by regulation audio volume in the way of, its motility
Poor.Such as, the signal amplitude of audio frequency supplied with digital signal is little time big time possible, less at the signal amplitude of supplied with digital signal
In the case of, if supplied with digital signal is carried out digital gain, the signal to noise ratio that can cause the final output signal of terminal is low,
Show as in terminal noise ratio in output signal compared with big, tonequality is poor.So, audio frequency supplied with digital signal is carried out numeral
Gain cannot change in response to the amplitude of audio frequency supplied with digital signal in the way of regulation audio volume, i.e. its motility is poor.
Summary of the invention
It is an object of the invention to provide the control method of a kind of volume, device and mobile terminal, it is intended to improve mobile whole
The motility of end regulation audio volume.
For solving above-mentioned technical problem, the present invention provides techniques below scheme:
A kind of control method of volume, including:
Obtain the signal amplitude of audio input signal；
Judge whether described signal amplitude meets pre-conditioned；
If it is pre-conditioned to judge that described signal amplitude meets, then calls and adjust with described pre-conditioned corresponding default volume
Joint process；
According to described default volume adjusting process, the volume of described audio frequency is adjusted.
For solving above-mentioned technical problem, the present invention also provides for techniques below scheme:
A kind of adjusting means of volume, including:
Acquiring unit, for obtaining the signal amplitude of audio input signal；
Judging unit, is used for judging whether described signal amplitude meets pre-conditioned；
First call unit, if pre-conditioned for judging that described signal amplitude meets, then calls and described default bar
The default volume adjusting process that part is corresponding；
Regulation unit, for being adjusted the volume of described audio frequency according to described default volume adjusting process.
The present invention also provides for a kind of mobile terminal, and described mobile terminal includes the adjusting means of above-mentioned volume.
Relative to prior art, the control method of volume, device and the mobile terminal that the present invention provides, first obtained by terminal
Take the signal amplitude of audio frequency supplied with digital signal, then judge whether the signal amplitude of this audio frequency supplied with digital signal meets and preset
Condition.Terminal judges go out the signal amplitude of this audio frequency supplied with digital signal meet pre-conditioned in the case of, control terminal and adjust
With with this pre-conditioned corresponding default volume adjusting process.Finally, terminal is controlled according to this default volume adjusting process pair
The volume of above-mentioned audio frequency is adjusted.Therefore, the present invention can be met according to the signal amplitude of audio frequency supplied with digital signal
Different is pre-conditioned, correspondingly calls different default volume adjusting processes and is adjusted the volume of audio frequency.So, with
Prior art is compared, and the present invention can use different regulative modes to adjust the volume of audio frequency under different conditions
Joint, i.e. improves the motility of terminal regulation audio volume.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings, by the detailed description of the invention of the present invention is described in detail, technical scheme will be made
And beneficial effect is apparent.
Fig. 1 is the schematic flow sheet of the control method of the volume that first embodiment of the invention provides；
Fig. 2 is the schematic flow sheet of the control method of the volume that second embodiment of the invention provides；
The structural representation of the adjusting means of the volume that Fig. 3 a provides for third embodiment of the invention；
Another structural representation of the adjusting means of the volume that Fig. 3 b provides for third embodiment of the invention；
The structural representation of the mobile terminal that Fig. 4 provides for fourth embodiment of the invention.
Detailed description of the invention
Refer to graphic, the most identical element numbers represents identical assembly, and the principle of the present invention is to be implemented in one
Suitable computing environment illustrates.The following description is based on the illustrated specific embodiment of the invention, and it should be by
It is considered as limiting other specific embodiment that the present invention is the most detailed herein.
Will be detailed below.
First embodiment
A kind of control method of volume, including: obtain the signal amplitude of audio input signal；Whether judge this signal amplitude
Meet pre-conditioned；If it is pre-conditioned to judge that this signal amplitude meets, then call and this pre-conditioned corresponding default volume
Regulation process；According to this default volume adjusting process, the volume of this audio frequency is adjusted.
Refer to the schematic flow sheet that Fig. 1, Fig. 1 are the control methods of the volume that first embodiment of the invention provides, specifically
Flow process may include that
In step S101, obtain the signal amplitude of audio input signal.
It is understood that the executive agent of the embodiment of the present invention can be the terminal unit such as mobile phone, panel computer.
Such as, during user uses terminal unit to play audio file, under different use scenes, Yong Hujing
Often need the volume of audio frequency is adjusted, such as, in more noisy environment, need to tune up volume, and the most quietly
Environment then needs correspondingly turn volume down.At present, mobile terminal typically uses at application processor (Application
Processor) end carries out the mode of digital gain to regulate the volume of audio frequency to audio frequency supplied with digital signal, such as, install Android
The terminal unit of operating system (Android) i.e. uses the mode of above-mentioned digital gain to regulate audio volume.
But, in audio frequency playing process, the size of audio frequency supplied with digital signal can change, little time big time possible.
When audio frequency supplied with digital signal is less, if terminal uses the above-mentioned mode that audio frequency supplied with digital signal carries out digital gain
Regulate audio volume, then the signal to noise ratio that can make the final output signal of terminal is low, shows as in output signal in terminal
Noise compared with big, tonequality is poor.
In order to solve the problems referred to above, in step S101 of the embodiment of the present invention, first can be obtained audio frequency by terminal defeated
Enter the signal amplitude of signal.Such as, after terminal receives and indicates the instruction that the volume to audio frequency is adjusted, terminal obtain
Being input to the signal amplitude of the audio frequency supplied with digital signal of application processor, such as this signal amplitude can be magnitude of voltage etc..
In step s 102, it is judged that it is pre-conditioned whether this signal amplitude meets.
In step s 103, if it is pre-conditioned to judge that this signal amplitude meets, then call pre-conditioned corresponding with this
Preset volume adjusting process.
Such as, step S102 and S103 can specifically include:
After terminal gets the signal amplitude of the audio frequency supplied with digital signal being input to application processor, then can be by
Whether this signal amplitude of terminal judges meets certain pre-conditioned.
If terminal judges goes out this signal amplitude, to meet this pre-conditioned, then can call pre-conditioned with this with triggering terminal
Corresponding default volume adjusting process.
If terminal judges goes out this signal amplitude, to be unsatisfactory for this pre-conditioned, then terminal can enter step S105, even if
By the volume adjusting mode of system default before, the volume of audio frequency is adjusted.Or, can also trigger in this case
Terminal is called certain volume adjusting process set in advance and is adjusted the volume of audio frequency, this can by manufacturer terminal or
User, according to self use demand sets itself etc., is not specifically limited herein.
Such as, in a kind of possible embodiment, step S102 judging, whether this signal amplitude meets pre-conditioned
Can specifically include: judge that whether this signal amplitude is less than predetermined threshold value.
Based on this, if it is pre-conditioned to judge in step S103 that this signal amplitude meets, then it is pre-conditioned right with this to call
The default volume adjusting process answered, can specifically include: if judging, this signal amplitude less than predetermined threshold value, then calls default the
One volume adjusting process, this presets the first volume adjusting process is to control terminal to enter the analogue signal that supplied with digital signal is corresponding
The process of row analog gain adjustment.
Judge whether this signal amplitude is used for judging that this audio frequency is defeated less than the step of predetermined threshold value it is understood that above-mentioned
Enter the size of digital signal.If judging, this signal amplitude less than predetermined threshold value, then shows that this audio frequency supplied with digital signal is less.
If judging, this signal amplitude is not less than predetermined threshold value, then show that this audio frequency supplied with digital signal is bigger.
If terminal judges goes out this signal amplitude less than predetermined threshold value, then can control terminal and call default first volume
Regulation process, this presets the first volume adjusting process is to control terminal to be simulated the analogue signal that supplied with digital signal is corresponding
The process of gain-adjusted.It is understood that the audio frequency supplied with digital signal being input to terminal can be transferred to digital to analog converter
In (Digital to Analog Converter is called for short DAC), and it is converted into analogue signal, then by terminal by this simulation
Signal is transferred in power amplifier carry out signal amplification, finally gives output signal and drives the parts work such as speaker of terminal
Make.Analog gain is by the way of the electronic devices and components of terminal carry out gain-adjusted to signal, such as these electronic devices and components
It can be variable-resistance potentiometer etc..Analog gain can make the output signal of audio frequency obtain higher signal to noise ratio, i.e. to sound
Frequently the analogue signal that supplied with digital signal is corresponding is simulated gain and regulates the volume of audio frequency, it is possible to obtain preferably tonequality.
In step S104, according to this default volume adjusting process, the volume of this audio frequency is adjusted.
Such as, calling when terminal and preset after the first volume adjusting process, in step S104, terminal presets the according to this
The volume of this audio frequency is adjusted by one volume adjusting process.The first volume adjusting process of presetting is for controlling terminal to input numeral
The analogue signal that signal is corresponding is simulated the process of gain-adjusted, i.e. the signal amplitude at audio frequency supplied with digital signal is less
In the case of, the audio frequency supplied with digital signal being input to application processor is not carried out gain-adjusted, but this audio frequency is inputted number
The analogue signal that word signal obtains after digital-to-analogue conversion is simulated gain in the power amplifiers, thus reaches the sound to audio frequency
The purpose that amount is adjusted.
It is understood that under conditions of audio frequency supplied with digital signal amplitude is less, call default by controlling terminal
The analogue signal that first volume adjusting process is come audio frequency supplied with digital signal is corresponding is simulated gain, thus regulates audio frequency sound
The mode of amount, the signal to noise ratio that can make the final output signal of terminal is higher, terminal show as the noise of output signal relatively low,
Tonequality is preferable.
In possible embodiment, above-mentioned judge this signal amplitude step whether less than predetermined threshold value after, also
May include that
If judging, this signal amplitude is not less than predetermined threshold value, then call default second volume adjusting process, and according to this
The volume of this audio frequency is adjusted by the second volume adjusting process of presetting, and the second volume adjusting process of presetting is for controlling terminal to defeated
Enter digital signal and carry out the process of digital gain adjusting.
Such as, go out in the case of the signal amplitude of this audio frequency supplied with digital signal is not less than predetermined threshold value in terminal judges,
Showing that this supplied with digital signal is relatively big, now terminal can be called default second volume adjusting process and enters the volume of this audio frequency
Row regulation, i.e. terminal carries out digital gain to the supplied with digital signal being input to application processor, thus reaches the sound to audio frequency
The purpose that amount is adjusted.Digital gain is the mode using digital operation that signal carries out gain.
It is understood that in the case of audio frequency supplied with digital signal is relatively big, use the mode of digital gain to regulate
The volume of audio frequency, can make terminal to the regulation of audio volume more the signal to noise ratio ensureing final output signal is preferable while
It is convenient to add.
Further, judge that this signal amplitude is not less than predetermined threshold value if above-mentioned, then call default second volume adjusting
Process, and preset the second volume adjusting process according to this volume of this audio frequency is adjusted, can specifically include:
If judging, this signal amplitude is not less than predetermined threshold value, then detect whether this audio frequency belongs to default terminal applies；
If detecting, this audio frequency belongs to default terminal applies, then control terminal and call corresponding with this default terminal applies pre-
If the first volume adjusting process, and according to default first volume adjusting process, the volume of this audio frequency is adjusted；
If detecting, this audio frequency is not belonging to preset terminal applies, then control terminal and call default second volume adjusting process,
And according to default second volume adjusting process, the volume of this audio frequency is adjusted.
Such as, the signal amplitude of the supplied with digital signal going out audio frequency in terminal judges is not less than predetermined threshold value, i.e. inputs number
In the case of word signal is relatively big, it is also possible to detect whether this audio frequency belongs to default terminal applies, such as this default terminal further
Application can be certain application higher to tonequality requirement set in advance.
If detecting, this audio frequency belongs to default terminal applies, then show that now terminal is currently running that certain presets to tonequality
Require higher application, then now can control terminal and call default first volume adjusting corresponding with this default terminal applies
The volume of audio frequency is adjusted by process, i.e. regulates the sound of the audio frequency belonging to default terminal applies in the way of analog gain
Amount, so that user obtains more preferable tonequality.
If detecting, this audio frequency is not belonging to preset terminal applies, the most now can control terminal and call default second volume tune
Joint process, i.e. regulates the volume of this audio frequency in the way of digital gain.
Further, preset, in above-mentioned basis, the step that the volume of this audio frequency is adjusted by the second volume adjusting process
Afterwards, it is also possible to including:
If the instruction of default first volume adjusting process is called in the instruction receiving user's input, then according to this instruction calls
The first volume adjusting process of presetting；
According to default first volume adjusting process, the volume of this audio frequency is adjusted.
Such as, going out, in terminal judges, the audio frequency play and be not belonging to preset in the case of terminal applies, terminal can first be adjusted
By default second volume adjusting process, in the way of audio frequency supplied with digital signal is carried out digital gain, regulate the sound of audio frequency
Amount.Afterwards, if user has converted use scene, it is desirable to the tonequality of the output signal of the audio frequency after volume adjusting is more preferable,
So user can also input default instruction, and this instruction instruction terminal is called and the tonequality of output can be made preferably to preset the first sound
Amount regulation process.Terminal, after receiving this instruction, presets the first volume adjusting process according to this instruction calls, and pre-according to this
If the volume of this audio frequency is adjusted by the first volume adjusting process.
By above-mentioned after the instruction of default first volume adjusting process is called in the instruction receiving user's input, according to this
Instruction calls presets the first volume adjusting process, and is adjusted the volume of this audio frequency according to default first volume adjusting process
Step, can make the terminal can not only be according to the amplitude size of audio input signal, additionally it is possible to according to the different uses of user
Demand calls different volume adjusting processes to regulate audio volume.
From the foregoing, the control method of the volume of the present embodiment offer, first obtained audio frequency input numeral letter by terminal
Number signal amplitude, then judge whether the signal amplitude of this audio frequency supplied with digital signal meets pre-conditioned.In terminal judges
Go out the signal amplitude of this audio frequency supplied with digital signal meet pre-conditioned in the case of, control terminal and call and this pre-conditioned phase
Corresponding default volume adjusting process.Finally, control terminal according to this default volume adjusting process, the volume of above-mentioned audio frequency to be entered
Row regulation.Therefore, the present invention can according to the signal amplitude of audio frequency supplied with digital signal met different pre-conditioned, phase
Call different default volume adjusting processes with answering the volume of audio frequency is adjusted.So, compared with prior art, this
Bright can use different regulative modes that the volume of audio frequency is adjusted under different conditions, i.e. improve terminal regulation
The motility of audio volume.
Second embodiment
According to the method described by first embodiment, as a example by mobile phone, the control method of volume is made the most below
Explanation.
Refer to the schematic flow sheet of the control method of the volume that Fig. 2, Fig. 2 provide for second embodiment of the invention, specifically
Flow process may include that
In step s 201, mobile phone receives the instruction that the volume of audio frequency is adjusted by instruction.
In step S202, mobile phone obtains the signal amplitude of the supplied with digital signal of this audio frequency.
It is understood that at mobile phone sound intermediate frequency supplied with digital signal from input to application processor to finally putting from power
Big device exports, meeting corresponding digital signals and two stages of analogue signal, is i.e. input to application processor and from application processor
The analogue signal that digital signal during output, this digital signal are converted into through digital to analog converter, and it is input to power amplifier
With the analogue signal of output from power amplifier.Therefore, the regulation to audio volume can include carrying out digital signal
Digital gain and the analog gain that analogue signal is carried out.
Wherein, analog gain mode can make the final output signal that audio frequency supplied with digital signal is corresponding have higher letter
Make an uproar ratio, in terminal, i.e. show as that noise in output signal is relatively low, tonequality is preferable.And digital gain mode is at audio frequency input numeral letter
In the case of number less, the signal to noise ratio that can make the final output signal that audio frequency supplied with digital signal is corresponding is poor, in terminal
Show as the noise of output signal compared with big, tonequality is poor.
Such as, step S201 and S202 can specifically include:
User is currently in use mobile phone and plays audio file, but now user enter into that surrounding is noisy, noise relatively
In big region, therefore user needs to tune up the volume of audio frequency, and have issued the instruction of the volume of regulation audio frequency to mobile phone.Mobile phone
After receiving this instruction, obtain the signal width that the audio frequency being currently played is input to the supplied with digital signal of application processor
Value.
In a kind of possible embodiment, above-mentioned mobile phone obtains the step of the signal amplitude of the supplied with digital signal of this audio frequency
Suddenly, can realize in the following way, i.e. mobile phone arranges a thread in advance, and this thread is input to application for acquisition and processes
The audio frequency supplied with digital signal of device, this thread is defined as presetting thread by mobile phone.When mobile phone needs acquisition to be currently played
During the signal amplitude of the supplied with digital signal of audio frequency, the letter of audio frequency supplied with digital signal can be read by above-mentioned default thread
Number amplitude.Certainly, in the embodiment that other is possible, it is also possible to by obtaining the supplied with digital signal of this audio frequency otherwise
Signal amplitude, illustrate herein and do not constitute limitation of the invention.
In step S203, mobile phone judges that whether this signal amplitude is less than predetermined threshold value.
Such as, in step S202 after the signal amplitude of the supplied with digital signal that mobile phone gets this audio frequency, mobile phone sentence
Whether this signal amplitude disconnected is less than the threshold value preset.It is understood that this threshold value preset is close with the performance of mobile phone itself
Relevant, therefore this threshold value preset can be set according to the performance of mobile phone the most accordingly by mobile-phone manufacturers.Certainly, should
The threshold value preset can also be set according to the use demand of self by cellphone subscriber, such as can arrange function at mobile phone
Application increases a project being set above-mentioned predetermined threshold value, etc., it is not specifically limited herein.
If mobile phone judges that this signal amplitude is less than predetermined threshold value, then it is believed that this audio frequency supplied with digital signal is less.
If mobile phone judges that this signal amplitude is not less than predetermined threshold value, then it is believed that this audio frequency supplied with digital signal is bigger.
In step S204, if mobile phone judges that this signal amplitude less than predetermined threshold value, then calls default first volume and adjusts
Joint process, and according to default first volume adjusting process, the volume of this audio frequency is adjusted, this is preset the first volume adjusting and enters
Journey is to control mobile phone the analogue signal that this supplied with digital signal is corresponding is simulated the process of gain-adjusted.
Such as, in step S203, mobile phone judges that this signal amplitude, less than predetermined threshold value, the most now can control mobile phone
Call default first volume adjusting process, and preset the first volume adjusting process according to this volume of this audio frequency is adjusted
Joint.This is preset the first volume adjusting Process flowchart mobile phone and is simulated increasing to the analogue signal that this audio frequency supplied with digital signal is corresponding
Benefit regulation.
It is understood that owing to now mobile phone judges that the signal amplitude of the supplied with digital signal of this audio frequency is less, because of
This controls mobile phone in this case and calls default first volume adjusting process and be adjusted the volume of this audio frequency, i.e. to this
Analogue signal corresponding to supplied with digital signal is simulated gain, thus reaches to regulate the purpose of the volume of audio frequency.
Therefore, in embodiments of the present invention, the signal amplitude at audio frequency supplied with digital signal is less than the situation of predetermined threshold value
Under, control mobile phone and call default first volume adjusting process, and according to the default first volume adjusting process volume to this audio frequency
It is simulated gain-adjusted, i.e. is simulated increasing to the analogue signal that audio frequency supplied with digital signal is corresponding at power amplifier end
Benefit, thereby may be ensured that in the case of audio input signal is less, and the signal to noise ratio of the output signal that this audio frequency is final can be relatively
Height, i.e. tonequality are preferable.
In step S205, if mobile phone judges that this signal amplitude is not less than predetermined threshold value, then call default second volume
Regulation process, and according to default second volume adjusting process, the volume of this audio frequency is adjusted, this presets the second volume adjusting
Process is to control mobile phone this supplied with digital signal carries out the process of digital gain adjusting.
Such as, in step S203, mobile phone judges that this signal amplitude is not less than predetermined threshold value, and the most now mobile phone can be adjusted
By default second volume adjusting process, and preset the second volume adjusting process according to this volume of this audio frequency is adjusted.
This is preset the second volume adjusting Process flowchart mobile phone and this audio frequency supplied with digital signal is carried out digital gain adjusting.
Such as, after the application processor of mobile phone receives the supplied with digital signal that signal amplitude is not less than predetermined threshold value,
Application processor carries out digital gain to this supplied with digital signal, as this supplied with digital signal is put by the algorithm by presetting
Greatly.Then, the digital signal through digital gain is exported digital to analog converter is converted into analogue signal, then output is to power
Amplifier the most finally exports.
Therefore, in embodiments of the present invention, judge that the signal amplitude of the supplied with digital signal of audio frequency is less than pre-when mobile phone
If during threshold value, call default first volume adjusting process and the analogue signal that this supplied with digital signal is corresponding be simulated gain,
To reach to regulate the purpose of the volume of this audio frequency.When mobile phone, to judge that the signal amplitude of the supplied with digital signal of audio frequency is not less than pre-
If during threshold value, call default second volume adjusting process and this supplied with digital signal is carried out digital gain, to reach to regulate this sound
The purpose of the volume of frequency.It is to say, the embodiment of the present invention can carry out the input numeral of the audio frequency of volume adjusting as required
The size of the signal amplitude of signal, is respectively adopted different volume adjusting modes to regulate the volume of audio frequency, thus improves hands
The motility of machine regulation audio volume.
Further, if mobile phone judges that this signal amplitude is not less than predetermined threshold value in step S205, then call default
Two volume adjusting processes, and according to default second volume adjusting process, the volume of this audio frequency is adjusted, it is also possible to specifically wrap
Include:
If judging, this signal amplitude is not less than predetermined threshold value, then mobile phone detect this audio frequency whether belong to default mobile phone should
With；
If mobile phone detects that this audio frequency belongs to the application of default mobile phone, then control mobile phone and call corresponding with the application of this default mobile phone
Preset the first volume adjusting process, and according to default first volume adjusting process, the volume of this audio frequency is adjusted；
If mobile phone detects that this audio frequency is not belonging to preset mobile phone application, then control mobile phone and call default second volume adjusting and enter
Journey, and according to default second volume adjusting process, the volume of this audio frequency is adjusted.
Such as, user, according to the use demand of self, needs the audio frequency of some specific mobile phone application plays through sound
After amount regulation, the tonequality of output can be relatively good.To this, above-mentioned functions can be realized by setting in advance.Such as, mobile phone
In advance to tonequality, some can be required that higher mobile phone application carries out labelling in advance, and it is set to preset mobile phone application, so
After the first volume adjusting process of presetting is set to and this default mobile phone application corresponding audio volume regulation process, and generate in advance
If the mapping table between mobile phone application and the first volume adjusting process of presetting.
Based on this, in the case of mobile phone judges that the supplied with digital signal of audio frequency is not less than predetermined threshold value, mobile phone also may be used
To detect whether this audio frequency belongs to the application of default mobile phone further.
If mobile phone detects that this audio frequency belongs to the application of default mobile phone, then just reads above-mentioned mapping table, and controls
Mobile phone calls the default first volume adjusting process corresponding with the application of this default mobile phone, and never calls default second volume adjusting
Process, and preset the first volume adjusting process according to this volume of this audio frequency is adjusted, so that presetting the sound of mobile phone application
Frequency is preferable in the tonequality of the output signal after volume adjusting.
If mobile phone detects that this audio frequency is not belonging to preset mobile phone application, then just controls mobile phone and calls default second volume
Regulation process, and preset the second volume adjusting process according to this volume of this audio frequency is adjusted.
Therefore, the embodiment of the present invention can also by the audio frequency that detection is currently played whether belong to default mobile phone should
With, and call different volume adjusting processes respectively according to this testing result the volume of this audio frequency is adjusted, thus enter
One step improves the motility of the volume of mobile phone regulation audio frequency.
Further, preset, in above-mentioned basis, the step that the volume of this audio frequency is adjusted by the second volume adjusting process
Afterwards, it is also possible to comprise the steps:
If the instruction of default first volume adjusting process is called in the instruction receiving user's input, then mobile phone is according to this instruction
Call default first volume adjusting process；
The volume of this audio frequency is adjusted by mobile phone according to default first volume adjusting process.
Such as, the signal amplitude at the supplied with digital signal of audio frequency is not less than predetermined threshold value, and this audio frequency is not belonging to pre-
If in the case of mobile phone application, what mobile phone called is to preset the second volume adjusting process to be adjusted the volume of audio frequency.As
The scene that fruit now user uses mobile phone to play audio frequency changes, and needs the audio frequency that mobile phone is play permissible after volume adjusting
Thering is provided preferable tonequality, then user can input default instruction at this moment, this instruction instruction mobile phone calls default first sound
The volume of audio frequency is adjusted by amount regulation process.Mobile phone, after receiving this instruction, presets first according to this instruction calls
Volume adjusting process, and according to default first volume adjusting process, the volume of currently playing audio frequency is adjusted.
By above-mentioned after the instruction of default first volume adjusting process is called in the instruction receiving user's input, according to this
Instruction calls presets the first volume adjusting process, and is adjusted the volume of this audio frequency according to default first volume adjusting process
Step, can make the mobile phone can not only be according to the amplitude size of audio input signal, additionally it is possible to according to the different uses of user
Demand calls different volume adjusting processes to regulate audio volume, thus further increases the volume of mobile phone regulation audio frequency
Motility.
From the foregoing, the control method of the volume of the present embodiment offer, first obtained audio frequency input numeral letter by terminal
Number signal amplitude, then judge whether the signal amplitude of this audio frequency supplied with digital signal meets pre-conditioned.In terminal judges
Go out the signal amplitude of this audio frequency supplied with digital signal meet pre-conditioned in the case of, control terminal and call and this pre-conditioned phase
Corresponding default volume adjusting process.Finally, control terminal according to this default volume adjusting process, the volume of above-mentioned audio frequency to be entered
Row regulation.Therefore, the present invention can according to the signal amplitude of audio frequency supplied with digital signal met different pre-conditioned, phase
Call different default volume adjusting processes with answering the volume of audio frequency is adjusted.So, compared with prior art, this
Bright can use different regulative modes that the volume of audio frequency is adjusted under different conditions, i.e. improve terminal regulation
The motility of audio volume.
3rd embodiment
For ease of preferably implementing the control method of the volume that the embodiment of the present invention provides, the embodiment of the present invention also provides for one
Plant the device of control method based on above-mentioned volume.Wherein the implication of noun is identical, specifically with the control method of above-mentioned volume
Realize the explanation that details is referred in embodiment of the method.
Refer to the structural representation of the adjusting means of the volume that Fig. 3 a, Fig. 3 a provides for third embodiment of the invention, should
Device may include that acquiring unit 301, it is judged that unit 302, the first call unit 303, and regulation unit 304.
Acquiring unit 301, for obtaining the signal amplitude of audio input signal.
Such as, after terminal receives and indicates the instruction that the volume to the audio frequency being currently played is adjusted, by end
The acquiring unit 301 of end obtains the signal amplitude of the audio frequency supplied with digital signal being input to application processor, such as this signal width
Value can be magnitude of voltage etc..
In a kind of possible embodiment, terminal can pre-set one defeated for obtaining the audio frequency of application processor
Enter the thread of digital signal, and be defined as this thread presetting thread.Based on this, when terminal needs to obtain audio frequency input numeral letter
Number signal amplitude time, acquiring unit 301 can be controlled and read the signal width of audio frequency supplied with digital signal from this default thread
Value.
Judging unit 302, is used for judging whether described signal amplitude meets pre-conditioned.
Such as, read, from default thread, the audio frequency being currently played at acquiring unit 301 and be input to application processor
Digital signal signal amplitude after, judging unit 302 judge whether this signal amplitude meets pre-conditioned.
First call unit 303, if pre-conditioned for judging that described signal amplitude meets, then call and presets with described
The default volume adjusting process that condition is corresponding.
Regulation unit 304, for being adjusted the volume of described audio frequency according to described default volume adjusting process.
Such as, judge at judging unit 302 that the signal amplitude of the supplied with digital signal of this audio frequency meets pre-conditioned
In the case of, the first call unit 303 can be triggered and call and this pre-conditioned corresponding default volume adjusting process.Then,
The volume of this audio frequency is adjusted according to this default volume adjusting process by regulation unit 304.
If it is determined that unit 302 to judge that the signal amplitude of the supplied with digital signal of this audio frequency is unsatisfactory for pre-conditioned, then
Terminal can be never called specific volume adjusting process and is adjusted the volume of this audio frequency, but uses present terminal system
The volume of this audio frequency is adjusted by the volume adjusting mode of acquiescence.Or, it is also possible to judge this audio frequency at judging unit 302
The signal amplitude of supplied with digital signal be unsatisfactory for any pre-conditioned in the case of, certain sets in advance to control terminal unified call
The volume of this audio frequency is adjusted by fixed volume adjusting process.
From the foregoing, when terminal receives the instruction indicating the volume to the audio frequency being currently played to be adjusted
After, terminal can according to the signal amplitude of the supplied with digital signal that this audio frequency is input to application processor met different pre-
If condition, call respectively and from these pre-conditioned corresponding different default volume adjusting processes, the volume of this audio frequency is entered
Row regulation, therefore, the embodiment of the present invention improves the motility that audio volume is adjusted by terminal.
Such as, in a kind of possible embodiment, it is judged that unit 302 may be used for judging whether this signal amplitude is less than
Predetermined threshold value.It is understood that this predetermined threshold value can be by manufacturer terminal or user according to self the pre-advanced person of use demand
Row is arranged.
If judging unit 302 judges that this signal amplitude is less than predetermined threshold value, then it is believed that the input of this audio frequency is digital
Signal is less.If judging unit 302 judges that this signal amplitude is not less than predetermined threshold value, then it is believed that the input number of this audio frequency
Word signal is bigger.
In the case of judging unit 302 judges that this signal amplitude is less than predetermined threshold value, trigger the first call unit 303
Call default first volume adjusting process, and preset the first volume adjusting process to the most by regulation unit 304 according to this
The volume of the audio frequency play is adjusted.This presets the first volume adjusting process is to control terminal to believe the input numeral of this audio frequency
Number corresponding analogue signal is simulated the process of gain, i.e. presets the first volume adjusting Process flowchart terminal in power amplification
Device end is simulated gain to the analogue signal corresponding to the supplied with digital signal of this audio frequency, thus reaches to regulate the sound of this audio frequency
The purpose of amount.
By the signal amplitude of the supplied with digital signal at this audio frequency less in the case of, control terminal call above-mentioned preset
First volume adjusting process the analogue signal corresponding to the supplied with digital signal of this audio frequency is simulated gain, can make this
The signal to noise ratio of the output signal that audio frequency is final after volume adjusting is higher, tonequality is preferable.
Another structure of the adjusting means seeing also the volume that Fig. 3 b, Fig. 3 b provides for third embodiment of the invention is shown
Being intended to, this device can also include: the second call unit 305 and control unit 306.
Second call unit 305, if for judging that described signal amplitude is not less than predetermined threshold value, then calling default second
Volume adjusting process, and according to described second volume adjusting process of presetting, the volume of described audio frequency is adjusted, described default
Second volume adjusting process is to control terminal described input signal carries out the process of digital gain adjusting.
Such as, judge that the signal amplitude of audio frequency supplied with digital signal is not less than the feelings of predetermined threshold value at judging unit 302
Under condition, it is believed that the supplied with digital signal of this audio frequency is bigger, then the second call unit 305 can be triggered at this moment and call pre-
If the second volume adjusting process, and preset the second volume adjusting process according to this volume of this audio frequency is adjusted.This is preset
Second volume adjusting process is to control terminal at application processor end, this audio frequency supplied with digital signal to be carried out digital gain and enter
Journey, i.e. in the case of audio frequency supplied with digital signal is relatively big, controls terminal at application processor end to this audio frequency input numeral letter
Number carry out digital gain, to regulate the volume of this audio frequency.
By in the case of audio frequency supplied with digital signal is relatively big, controls terminal and call default second volume adjusting process
This audio frequency supplied with digital signal is carried out digital gain, the output signal final after volume adjusting of this audio frequency can ensured
While signal to noise ratio is the lowest, make terminal simpler, quick to the volume adjusting of audio frequency.
In alternatively possible embodiment, the second call unit 305 can also be specifically for:
If judging, described signal amplitude is not less than predetermined threshold value, then detect described audio frequency whether belong to default terminal should
With；
If detecting, described audio frequency belongs to default terminal applies, then control terminal and call corresponding with presetting terminal applies pre-
If the first volume adjusting process, and according to default first volume adjusting process, the volume of described audio frequency is adjusted；
If detecting, described audio frequency is not belonging to preset terminal applies, then control terminal and call default second volume adjusting and enter
Journey, and according to default second volume adjusting process, the volume of described audio frequency is adjusted.
Such as, judge that the signal amplitude of audio frequency supplied with digital signal is not less than the feelings of predetermined threshold value at judging unit 302
Under condition, the second call unit 305 can also detect whether this audio frequency belongs to default terminal applies further, and terminal as default in this should
Higher terminal applies is required by the tonequality that can be output signal to the audio frequency after volume adjusting.
If detecting, this audio frequency belongs to default terminal applies, then terminal triggers the second call unit 305 and calls and preset with this
What terminal applies was corresponding presets the first volume adjusting process, and enters the volume of this audio frequency according to default first volume adjusting process
Row regulation.Namely in the case of this audio frequency belongs to default terminal applies, although this audio frequency is input to the input of application processor
The signal amplitude of digital signal is relatively big, but due to the default terminal applies sound to the output signal of the audio frequency after volume adjusting
Matter requires higher, so now controlling terminal to call default first volume adjusting process to regulate the volume of this audio frequency, thus protects
The audio frequency demonstrate,proving this default terminal applies is preferable in its tonequality after volume adjusting.
If detecting, this audio frequency is not belonging to preset terminal applies, then terminal triggers the second call unit 305 and calls default the
Two volume adjusting processes, and according to default second volume adjusting process, the volume of this audio frequency is adjusted.
Whether the audio frequency being currently played by detection belongs to default terminal applies, and adjusts respectively according to this testing result
By different volume adjusting processes, the volume of this audio frequency is adjusted, the volume of terminal regulation audio frequency can be heightened further
Motility.
Control unit 306, if call the instruction of default first volume adjusting process for receiving the instruction of user's input,
Then preset the first volume adjusting process according to described instruction calls, and according to described first volume adjusting process of presetting to described sound
The volume of frequency is adjusted.
Such as, detect that the audio frequency being currently played is not belonging to preset the feelings of terminal applies at the second call unit 305
Under condition, the second call unit 305 can call default second volume adjusting process and be adjusted the volume of this audio frequency.If
After this, user uses the scene of terminal plays audio frequency to there occurs change, and wishes the output after volume adjusting of this audio frequency
The tonequality of signal can be preferable, then now user can input default instruction, and this instruction instruction terminal calls default first
Volume adjusting process.The control unit 306 of terminal, after this instruction receiving user's input, presets the according to this instruction calls
One volume adjusting process, and preset the first volume adjusting process according to this volume of this audio frequency is adjusted.
From the foregoing, terminal can also call the volume adjusting process needed for user according to the use demand of user
The volume of audio frequency is adjusted, thus has heightened the motility of the volume of terminal regulation audio frequency further.
From the foregoing, the adjusting means of the volume of the present embodiment offer, first obtained audio frequency input numeral letter by terminal
Number signal amplitude, then judge whether the signal amplitude of this audio frequency supplied with digital signal meets pre-conditioned.In terminal judges
Go out the signal amplitude of this audio frequency supplied with digital signal meet pre-conditioned in the case of, control terminal and call and this pre-conditioned phase
Corresponding default volume adjusting process.Finally, control terminal according to this default volume adjusting process, the volume of above-mentioned audio frequency to be entered
Row regulation.Therefore, the present invention can according to the signal amplitude of audio frequency supplied with digital signal met different pre-conditioned, phase
Call different default volume adjusting processes with answering the volume of audio frequency is adjusted.So, compared with prior art, this
Bright can use different regulative modes that the volume of audio frequency is adjusted under different conditions, i.e. improve terminal regulation
The motility of audio volume.
For the adjusting means of the described volume of the embodiment of the present invention, its each functional module can be integrated in a process
In chip, it is also possible to be that modules is individually physically present, it is also possible to be that two or more modules are integrated in a module
In.Above-mentioned integrated module both can realize to use the form of hardware, it would however also be possible to employ software function module realizes.Described integrated
If module realize using the form of software function module and as independent production marketing or when using, it is also possible to be stored in one
In individual computer read/write memory medium, described storage medium is such as read only memory, disk or CD etc..
4th embodiment
In order to be more fully understood that the present invention, the present invention also provides for a kind of mobile terminal.
Refer to the structural representation of the mobile terminal that Fig. 4, Fig. 4 provide for the embodiment of the present invention.Concrete, mobile terminal
400 adjusting meanss 410 including volume, the adjusting means 410 of this volume can be the tune of any one volume in above-described embodiment
Regulating device.Concrete, the adjusting means 410 of this volume can include acquiring unit 301, judging unit the 302, first call unit
303, regulation unit the 304, second call unit 305 and control unit 306.Described acquiring unit 301, judging unit 302,
The function of one call unit 303, regulation unit the 304, second call unit 305 and control unit 306 is in the 3rd embodiment
Middle detailed description, here is omitted.
Such as, in order to improve the motility that the volume of audio frequency is adjusted by terminal, user can be received in terminal and send out
After the instruction that the volume of the audio frequency being currently played is adjusted by the instruction gone out, by the acquiring unit 301 of mobile terminal 400
Obtain the signal amplitude that the audio frequency being currently played is input to the supplied with digital signal of application processor, such as this signal amplitude
It can be magnitude of voltage.
After the signal amplitude of the supplied with digital signal obtaining this audio frequency at acquiring unit 301, by the judgement of mobile terminal 400
Unit 302 judges that whether this signal amplitude is less than predetermined threshold value.
If judging unit 302 judges that this signal amplitude less than predetermined threshold value, then triggers the first of mobile terminal 400 and calls
Unit 303 calls default first volume adjusting process, and is preset the first volume adjusting process to working as by regulation unit 304 according to this
Before the volume of audio frequency play be adjusted.This presets the first volume adjusting process is to control mobile terminal to this audio frequency
Analogue signal corresponding to supplied with digital signal is simulated the process of gain.
It is understood that in the case of the signal amplitude of audio frequency supplied with digital signal is less than predetermined threshold value, control to move
Dynamic terminal 400 is called default first volume adjusting process and is adjusted the volume of this audio frequency, and this audio frequency can be made through volume
The signal to noise ratio of the output signal after regulation is higher, tonequality is preferable.
If judging unit 302 judges that this signal amplitude is not less than predetermined threshold value, then can trigger the of mobile terminal 400
Two call units 305 detect whether this audio frequency belongs to default terminal applies further.Such as, this default terminal applies can be right
The tonequality of the output signal of the audio frequency after volume adjusting requires higher application.
If the second call unit 305 detects that this audio frequency belongs to default terminal applies, then trigger the second call unit 305 and adjust
The first volume adjusting process is preset with corresponding with default terminal applies, and according to default first volume adjusting process to described sound
The volume of frequency is adjusted.
If the second call unit 305 detects that this audio frequency is not belonging to preset terminal applies, then trigger the second call unit 305
Call default second volume adjusting process, and according to default second volume adjusting process, the volume of this audio frequency is adjusted.Should
The second volume adjusting process of presetting is to control mobile terminal the supplied with digital signal of this audio frequency is carried out entering of digital gain adjusting
Journey.
Detect that this audio frequency is not belonging to preset terminal applies at the second call unit 305, and call default second volume tune
After the volume of this audio frequency is adjusted by joint process, mobile terminal 400 can also detect whether user inputs default further
Instruction instruction mobile terminal 400 call the volume of the default first volume adjusting process audio frequency to being currently played and carry out
Regulation.
If the instruction of default first volume adjusting process is called in the instruction that mobile terminal 400 receives user's input, then control
Unit 306 processed presets the first volume adjusting process according to this instruction calls, and presets the first volume adjusting process to this according to this
The volume of audio frequency is adjusted.
If the instruction that mobile terminal 400 does not receives user's input calls the instruction of default first volume adjusting process, then
Mobile terminal 400 can be continuing with the second volume adjusting process of presetting and be adjusted the volume of this audio frequency.
From the foregoing, the mobile terminal 400 that the embodiment of the present invention provides is possible not only to according to audio frequency supplied with digital signal
The size of signal amplitude call different volume adjusting processes respectively the volume of this audio frequency be adjusted, it is also possible to according to
The use demand of user calls required volume adjusting process, and therefore the embodiment of the present invention can improve the sound of terminal regulation audio frequency
The motility of amount.
The control method of a kind of volume, device and the mobile terminal that are thered is provided the embodiment of the present invention above have been carried out in detail
Introducing, principle and the embodiment of the present invention are set forth by specific case used herein, the explanation of above example
It is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for those skilled in the art, according to the present invention
Thought, the most all will change, in sum, this specification content should not be understood
For limitation of the present invention.
Claims (11)
1. the control method of a volume, it is characterised in that described method includes:
Obtain the signal amplitude of audio input signal；
Judge whether described signal amplitude meets pre-conditioned；
If it is pre-conditioned to judge that described signal amplitude meets, then calls and enter with described pre-conditioned corresponding default volume adjusting
Journey；
According to described default volume adjusting process, the volume of described audio frequency is adjusted.
The control method of volume the most according to claim 1, it is characterised in that described judge that described signal amplitude is whether full
Foot is pre-conditioned to be included: judge that whether described signal amplitude is less than predetermined threshold value；
Described, if to judge that described signal amplitude meets pre-conditioned, then call and described pre-conditioned corresponding default volume is adjusted
Joint process specifically includes: if judging, described signal amplitude less than predetermined threshold value, then calls default first volume adjusting process, institute
Stating default first volume adjusting process is to control terminal the analogue signal that described input signal is corresponding is simulated gain-adjusted
Process；
Described it is adjusted specifically including to the volume of described audio frequency according to described default volume adjusting process: preset according to described
The volume of described audio frequency is adjusted by the first volume adjusting process.
The control method of volume the most according to claim 2, it is characterised in that judging whether described signal amplitude is less than
After the step of predetermined threshold value, also include:
If judging, described signal amplitude is not less than predetermined threshold value, then call default second volume adjusting process, and according to described
The volume of described audio frequency is adjusted by the second volume adjusting process of presetting, and described second volume adjusting process of presetting is for controlling eventually
End carries out the process of digital gain adjusting to described input signal.
The control method of volume the most according to claim 3, it is characterised in that judge described signal amplitude not if described
Less than predetermined threshold value, then call default second volume adjusting process, and according to described second volume adjusting process of presetting to described
The volume of audio frequency is adjusted, including:
If judging, described signal amplitude is not less than predetermined threshold value, then detect whether described audio frequency belongs to default terminal applies；
If detecting, described audio frequency belongs to default terminal applies, then control terminal and call and corresponding with presetting terminal applies preset the
One volume adjusting process, and according to default first volume adjusting process, the volume of described audio frequency is adjusted；
If detecting, described audio frequency is not belonging to preset terminal applies, then control terminal and call default second volume adjusting process, and
According to default second volume adjusting process, the volume of described audio frequency is adjusted.
The control method of volume the most according to claim 4, it is characterised in that according to the second volume adjusting process of presetting
After the step that the volume of described audio frequency is adjusted, also include:
If the instruction of default first volume adjusting process is called in the instruction receiving user's input, then pre-according to described instruction calls
If the first volume adjusting process；
According to described first volume adjusting process of presetting, the volume of described audio frequency is adjusted.
6. the adjusting means of a volume, it is characterised in that described device includes:
Acquiring unit, for obtaining the signal amplitude of audio input signal；
Judging unit, is used for judging whether described signal amplitude meets pre-conditioned；
First call unit, if pre-conditioned for judging that described signal amplitude meets, then it is pre-conditioned right with described to call
The default volume adjusting process answered；
Regulation unit, for being adjusted the volume of described audio frequency according to described default volume adjusting process.
The adjusting means of volume the most according to claim 6, it is characterised in that described judging unit is used for: judge described
Whether signal amplitude is less than predetermined threshold value；
Described first call unit specifically for: if judging, described signal amplitude less than predetermined threshold value, then calls default first
Volume adjusting process, described first volume adjusting process of presetting is to control terminal to enter the analogue signal that described input signal is corresponding
The process of row analog gain adjustment；
Described regulation unit specifically for: according to described preset the first volume adjusting process the volume of described audio frequency is adjusted
Joint.
The adjusting means of volume the most according to claim 7, it is characterised in that described device also includes:
Second call unit, if for judging that described signal amplitude is not less than predetermined threshold value, then calls default second volume and adjusts
Joint process, and according to described second volume adjusting process of presetting, the volume of described audio frequency is adjusted, described default second sound
Amount regulation process is to control terminal described input signal carries out the process of digital gain adjusting.
The adjusting means of volume the most according to claim 8, it is characterised in that described second call unit is used for:
If judging, described signal amplitude is not less than predetermined threshold value, then detect whether described audio frequency belongs to default terminal applies；
If detecting, described audio frequency belongs to default terminal applies, then control terminal and call and corresponding with presetting terminal applies preset the
One volume adjusting process, and according to default first volume adjusting process, the volume of described audio frequency is adjusted；
If detecting, described audio frequency is not belonging to preset terminal applies, then control terminal and call default second volume adjusting process, and
According to default second volume adjusting process, the volume of described audio frequency is adjusted.
The adjusting means of volume the most according to claim 9, it is characterised in that described device also includes:
Control unit, if calling the instruction of default first volume adjusting process for receiving the instruction of user's input, then according to
Described instruction calls presets the first volume adjusting process, and presets the first volume adjusting process sound to described audio frequency according to described
Amount is adjusted.
11. 1 kinds of mobile terminals, it is characterised in that include the adjusting means of volume according to any one of claim 6 to 10.
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| CN201610494835.6A CN106060264B (en) | 2016-06-27 | 2016-06-27 | A kind of adjusting method of volume, device and mobile terminal |
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| CN201610494835.6A CN106060264B (en) | 2016-06-27 | 2016-06-27 | A kind of adjusting method of volume, device and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110457002A (en) * | 2019-07-03 | 2019-11-15 | 平安科技（深圳）有限公司 | A kind of multimedia file processing method, device and computer storage medium |
| CN110650410A (en) * | 2019-09-11 | 2020-01-03 | 厦门亿联网络技术股份有限公司 | Microphone automatic gain control method, device and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064498A (en) * | 2006-04-26 | 2007-10-31 | 卓联半导体股份有限公司 | Automatic gain control for mobile microphone |
| US20120008802A1 (en) * | 2008-07-02 | 2012-01-12 | Felber Franklin S | Voice detection for automatic volume controls and voice sensors |
-
2016
- 2016-06-27 CN CN201610494835.6A patent/CN106060264B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064498A (en) * | 2006-04-26 | 2007-10-31 | 卓联半导体股份有限公司 | Automatic gain control for mobile microphone |
| US20120008802A1 (en) * | 2008-07-02 | 2012-01-12 | Felber Franklin S | Voice detection for automatic volume controls and voice sensors |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110457002A (en) * | 2019-07-03 | 2019-11-15 | 平安科技（深圳）有限公司 | A kind of multimedia file processing method, device and computer storage medium |
| WO2021000389A1 (en) * | 2019-07-03 | 2021-01-07 | 平安科技（深圳）有限公司 | Multimedia file processing method and apparatus, and computer-readable storage medium |
| CN110650410A (en) * | 2019-09-11 | 2020-01-03 | 厦门亿联网络技术股份有限公司 | Microphone automatic gain control method, device and storage medium |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20171117 |