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CN107479852A - volume adjusting method, device, terminal device and storage medium - Google Patents

volume adjusting method, device, terminal device and storage medium Download PDF

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Publication number
CN107479852A
CN107479852A CN201710711385.6A CN201710711385A CN107479852A CN 107479852 A CN107479852 A CN 107479852A CN 201710711385 A CN201710711385 A CN 201710711385A CN 107479852 A CN107479852 A CN 107479852A
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China
Prior art keywords
amplitude
audio
volume
information
regulation coefficient
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Application number
CN201710711385.6A
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Chinese (zh)
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CN107479852B (en
Inventor
严锋贵
许钊铵
郑志勇
甘高亭
杨海
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201710711385.6A priority Critical patent/CN107479852B/en
Publication of CN107479852A publication Critical patent/CN107479852A/en
Priority to PCT/CN2018/098651 priority patent/WO2019033941A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/325Power saving in peripheral device
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16Sound input; Sound output
    • G06F3/165Management of the audio stream, e.g. setting of volume, audio stream path

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The embodiment of the invention discloses a kind of volume adjusting method, device, terminal device and storage medium, this method includes when detecting that terminal device carries out source of sound broadcasting, obtaining the audio-frequency information of the source of sound;According to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;The information volume of terminal device is obtained, according to amplitude regulation coefficient corresponding to information volume determination;The audio amplitude is adjusted according to the amplitude regulation coefficient.This programme improves volume adjusting efficiency, reduces the power consumption of terminal device.

Description

Volume adjusting method, device, terminal device and storage medium
Technical field
The present embodiments relate to computer technology, more particularly to a kind of volume adjusting method, device, terminal device and Storage medium.
Background technology
With the raising of terminal device popularity, increasing user's using terminal equipment performs various Function to meet self-demand, read word, watch video, listen music, play game by such as using terminal equipment.When terminal is set For in playing audio-video, the regulation existing defects to volume are, it is necessary to improve.
The content of the invention
The invention provides a kind of volume adjusting method, device, terminal device and storage medium, volume adjusting is improved Efficiency, reduce the power consumption of terminal device.
In a first aspect, the embodiments of the invention provide a kind of volume adjusting method, including:
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained;
According to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;
The information volume of terminal device is obtained, according to amplitude regulation coefficient corresponding to information volume determination;
The audio amplitude is adjusted according to the amplitude regulation coefficient.
Second aspect, the embodiment of the present invention additionally provide a kind of volume adjustment device, including:
Acquisition module, for when detecting that terminal device carries out source of sound broadcasting, obtaining the audio-frequency information of the source of sound;
Amplitude determination module, for according to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;
Regulation coefficient determining module, for obtaining the information volume of terminal device, determined according to the information volume corresponding Amplitude regulation coefficient;
Adjusting module, for being adjusted according to the amplitude regulation coefficient to the audio amplitude.
The third aspect, the embodiment of the present invention additionally provide a kind of terminal device, including:Processor, memory and storage On a memory and the computer program that can run on a processor, realized described in the computing device during computer program Volume adjusting method as described in the present embodiment of the invention.
Fourth aspect, the embodiment of the present invention additionally provide a kind of storage medium for including terminal device executable instruction, institute Terminal device executable instruction is stated as being adjusted during terminal device computing device for the volume described in performing the embodiment of the present invention Section method.
Technical scheme provided in an embodiment of the present invention, when detecting that terminal device carries out source of sound broadcasting, obtain the sound The audio-frequency information in source;According to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;Obtain terminal device Information volume, according to amplitude regulation coefficient corresponding to information volume determination;According to the amplitude regulation coefficient to the sound Frequency vibration width is adjusted.This programme improves volume adjusting efficiency, reduces the power consumption of terminal device.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention its Its feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of flow chart of volume adjusting method provided in an embodiment of the present invention;
Fig. 2 is the flow chart of another volume adjusting method provided in an embodiment of the present invention;
Fig. 3 is the flow chart of another volume adjusting method provided in an embodiment of the present invention;
Fig. 4 is the flow chart of another volume adjusting method provided in an embodiment of the present invention;
Fig. 5 is a kind of structured flowchart of volume adjustment device provided in an embodiment of the present invention;
Fig. 6 is a kind of structural representation of terminal device provided in an embodiment of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used to explain the present invention, rather than limitation of the invention.It also should be noted that for the ease of Describe, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
Fig. 1 is a kind of flow chart of volume adjusting method provided in an embodiment of the present invention, and the present embodiment is applicable to terminal Equipment carries out the situation of volume adjusting when playing source of sound, this method can by terminal device provided in an embodiment of the present invention Lai Perform, the volume adjustment device of the terminal device can be realized by the way of software and/or hardware, as shown in figure 1, this implementation The concrete scheme that example provides is as follows:
Step S101, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Terminal device can carry out source of sound by the audio and video playing software that the third party application or system of installation carry Broadcasting.Wherein, the steps such as acquisition, decoding and output of audio files are mainly included.Exemplary, the source of sound text got Part can be the multicast data flow received by network, can also be the audio-video document that terminal device is locally stored;Get this It is loaded into after audio files in core buffer;The audio files for being loaded into core buffer are decoded, decoded Before beginning, if the audio files include video data, it is necessary to carry out the separation of voice data and video data simultaneously, Voice data after separation is inputted to audio decoder, wherein, audio decoder is mainly used in reading in core buffer Voice data, digital audio and video signals are obtained, and the digital audio and video signals are converted into simulated audio signal, terminal device is broadcast Put device and audio broadcasting is carried out according to the simulated audio signal.In one embodiment, when listening to source of sound broadcast event quilt During triggering, determine that terminal device commences play out source of sound, wherein, the trigger event can be shown in the touch-screen detected Broadcast button is pressed, and can also be when detecting the broadcasting device of terminal device for example loudspeaker commencing play out sound, determines terminal Equipment carries out source of sound broadcasting.
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.In one embodiment In, the digital audio and video signals that can decode to obtain to audio decoder are sampled, and determine audio-frequency information corresponding to the source of sound. In another embodiment, the original document of currently playing source of sound can also be obtained, sound is determined by the parsing to the original document Audio-frequency information corresponding to source.In another embodiment, by taking Android systems as an example, can pass through Android.media.MediaRecorder classes or android.media.AudioRecord classes obtain the audio letter of source of sound Breath.
Step S102, according to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information.
Amplitude refers to the ultimate range of deviation origin-location during object vibrations, the loudness and sound of the sound that human ear is heard The amplitude in source is related, and amplitude is bigger, and loudness is stronger.In one embodiment, obtained digital sound can be decoded to audio decoder Frequency signal is sampled, and obtains the amplitude information in preset time period T, wherein, the amplitude information can have multiple amplitude groups Into multiple amplitudes that foundation obtains can determine the amplitude curve of the source of sound played in preset time period T accordingly. In another embodiment, by taking android system as an example, can by android.media.MediaRecorder classes or Android.media.AudioRecord classes obtain corresponding amplitude size after obtaining the audio-frequency information of source of sound.In another implementation , can be by being solved to original document when the audio-frequency information that step S101 is got is original document corresponding to source of sound in example Analyse to obtain corresponding amplitude size.
In one embodiment, when detecting source of sound broadcasting, determine once to shake every preset time (such as 1s, 3s or 10s) Width, or in real time, the amplitude of each frame of audio-frequency information is determined.Specifically, the audio for obtaining the source of sound Information includes:Obtain the audio frame information of the source of sound;Accordingly, the amplitude of the source of sound is determined according to the audio-frequency information Including:The amplitude of each frame of the source of sound is determined according to the audio frame information.Exemplary, when detecting that source of sound plays, Audio files are parsed to obtain audio frame sequence, the amplitude according to corresponding to determining each frame of audio frame sequence.
Step S103, the information volume of terminal device is obtained, according to amplitude adjustment system corresponding to information volume determination Number, is adjusted according to the amplitude regulation coefficient to the audio amplitude.
In one embodiment, the information volume of the acquisition can be the current volume value information of terminal device, volume increasing Add the one or more in information and volume reduction information.Accordingly, according to amplitude adjustment corresponding to information volume determination Coefficient can reduce one in information according to the current volume value information in information volume, volume increase information and volume Kind or a variety of be determined.
Exemplary, terminal device is always divided into 18 grade-adjustables, each grade corresponding one to max volume by Jing Yin Individual volume value, when terminal device plays source of sound, can be by the get volume methods of the volume management assembly of system The current volume value of system;When user carries out volume increase or reduced to adjust by the regulation button or touch-screen of terminal device When, the corresponding volume for determining present terminal equipment is increase or reduction.In one embodiment, according to current volume Value determine corresponding to amplitude adjustment factor can be exemplified by following table:
Table 1
Volume value Adjustment factor
5 0.5
10 1.5
15 2
In another embodiment, amplitude corresponding to information determination is reduced according to current volume increase information or volume Adjustment factor can be exemplified by following table:
Table 2
Volume value Adjustment factor
Increase 1.5
Reduce 0.8
In another embodiment, it can also increase information according to volume or volume reduces the sound of information combination present terminal Value determines that amplitude adjustment factor adjusts to be realized to audio amplitude jointly.
In a possible embodiment, it is described to include according to amplitude regulation coefficient corresponding to information volume determination: Amplitude regulation coefficient corresponding at least two is determined according to the information volume;Accordingly, described adjusted according to the amplitude is It is several the audio amplitude is adjusted including:Size according to the audio amplitude distributes different amplitude regulation coefficients, right The audio amplitude is adjusted.Exemplary, corresponding two amplitude adjustment factors such as are defined according to information volume, Such as 1.5 and 2, then the size of the audio amplitude adjusted according to needs distributes different amplitude adjustment factors respectively, specifically, can It is as shown in the table:
Table 3
Audio amplitude Adjustment factor
It is more than -50db less than -10db 2
It is more than -10db less than -3db 1.5
As shown in table 3, when amplitude is more than -10db less than -3db, amplitude is high amplitude area, and gain coefficient is distributed for it Be middle amplitude area when amplitude is more than -50db less than -10db for 1.5, be its to distribute peak factor be 2 to significantly improve this The amplitude size of fractional amplitude.As shown in the above, when detecting that terminal device plays source of sound, shaken according to different audios The amplitude adjustment factor that the size reasonable distribution of width is determined, to obtain suitable output volume so that the sense of hearing of user is more It is good, improve volume adjusting efficiency.
In another embodiment, when the number of the corresponding amplitude regulation coefficient determined according to the information volume is 3 When individual, the size according to the audio amplitude, which distributes different amplitude regulation coefficients, to be included:For more than the first predetermined threshold value Or the first amplitude regulation coefficient is distributed less than the audio amplitude of the 3rd predetermined threshold value, to be big less than or equal to the first predetermined threshold value The second amplitude regulation coefficient is distributed in the audio amplitude of the second predetermined threshold value, to be more than the less than or equal to the second predetermined threshold value The audio amplitudes of three predetermined threshold values distributes the 3rd amplitude regulation coefficient, wherein, the first amplitude regulation coefficient is less than described the Two amplitude regulation coefficients, the second amplitude regulation coefficient are less than the 3rd amplitude regulation coefficient.Wherein, this is first default Threshold value can be -3db, and the second predetermined threshold value can be -10db, and the 3rd predetermined threshold value can be -50db, and accordingly, first shakes Width regulation coefficient is 1 (i.e. without adjustment), and the second amplitude regulation coefficient is 1.4, and the 3rd amplitude regulation coefficient is 1.8.Its In, adjust, avoid without amplitude for the audio amplitude of amplitude excessive (being more than -3db) or amplitude too small (being less than -50db) Distorsion caused by crossing after large amplitude regulation, it also avoid too small noise heighten that the noise brought strengthens asks Topic, further optimizes volume adjusting method.
In a possible embodiment, can be by believing comprising audio during being adjusted to audio amplitude The audio files of breath are parsed, and the data of the sign amplitude information in obtained voice data are modified, modification finishes It is packaged again afterwards, when being buffered to corresponding audio files and being played, audio amplitude has been changed accordingly;Can be with It is, in the decoding process that source of sound plays, by being analyzed to obtain amplitude data to obtained digital audio and video signals, by this Amplitude data is multiplied by corresponding adjustment factor to change amplitude size, and then the volume of source of sound is adjusted.Hereby it is achieved that Do not change and the size of source of sound volume is adjusted on the premise of terminal device system original volume, regulation process can be with Before audio files are introduced into buffering area, to reduce broadcasting load or be adjusted for the source of sound content in buffering area Save to improve regulation efficiency.
Fig. 2 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, in the foundation The size of the audio amplitude is distributed before different amplitude regulation coefficients, in addition to:Determine to meet in advance in the audio-frequency information If the audio amplitude of frequency;Accordingly, the size according to the audio amplitude distributes different amplitude regulation coefficient bags Include:The first amplitude regulation coefficient is distributed for the audio amplitude for meeting predeterminated frequency.As shown in Fig. 2 technical scheme is specific such as Under:
Step S201, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S202, according to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information.
Step S203, the audio amplitude for meeting predeterminated frequency in the audio-frequency information is determined, meets predeterminated frequency to be described Audio amplitude distribute the first amplitude regulation coefficient.
Wherein, the first amplitude regulation coefficient can be 1, i.e., the size of audio amplitude is not adjusted.It is exemplary , the predeterminated frequency can be 300hz, i.e., ought detect the amplitude that fixed frequency 300hz in audio-frequency information be present, then by it As noise, do not enter row amplitude adjustment to it, the problem of to avoid synchronously amplifying noise, meanwhile, also further increase sound Amount regulation efficiency.
Fig. 3 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, in the foundation Before amplitude regulation coefficient corresponding to the information volume determination, in addition to:Determine that terminal device plays the impedance value of device; Accordingly, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:According to the impedance value, the sound Measure amplitude regulation coefficient corresponding to information determination.As shown in figure 3, specifically include:
Step S301, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S302, according to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information.
Step S303, determine that terminal device plays the impedance value of device.
In one embodiment, can be by the broadcasting device installed in power amplifier chips detection terminal equipment (such as:Loudspeaker) Impedance value, can also be by physics mode detect play device impedance.
Step S304, according to amplitude regulation coefficient corresponding to the impedance value, information volume determination.
In one embodiment, on the basis of above-mentioned foundation information volume determines amplitude regulation coefficient, further combined with The impedance value that the terminal device that step S303 is determined plays device determines amplitude adjustment factor jointly.Exemplary, the impedance value The amplitude adjustment factor determined jointly corresponding to bigger is bigger.Specifically, the nominal impedance value for assuming to play device is x, pass through It is 1.2x to detect obtained impedance value, then corresponding amplitude regulation coefficient can be that the amplitude only determined by information volume is adjusted 1.2 times of section coefficient are to be used as the amplitude adjustment factor finally determined.
From the foregoing, during the amplitude of source of sound is adjusted, the impedance value for playing device is introduced as determination One of parameter of amplitude adjustment factor, avoid and play device with the increase impedance value more and more higher of playing duration and then align The problem of volume in normal playing process has an impact so that the volume after regulation more preferably meets user's request, enters One step improves volume adjusting effect.
Fig. 4 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, in the foundation Before amplitude regulation coefficient corresponding to the information volume determination, in addition to:Determine that terminal device is presently in the noise of environment Value;Accordingly, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:According to the noise figure and institute State amplitude regulation coefficient corresponding to information volume determination.As shown in figure 4, specifically include:
Step S401, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S402, according to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information.
Step S403, determine that terminal device is presently in the noise figure of environment.
In one embodiment, the noise of environment can be presently in true by the microphone collection of installing terminal equipment Noise figure corresponding to fixed.
Step S404, according to amplitude regulation coefficient corresponding to the noise figure and information volume determination.
Exemplary, it is assumed that noise figure of the terminal device under quiet environment is y, and terminal device is in outdoor or noisy When in environment, it is determined that noise figure be 1.5y, then corresponding amplitude regulation coefficient can be only by information volume determine shaking 1.5 times of width adjustment factor are to be used as the amplitude adjustment factor finally determined.It should be noted that can also be by impedance value, noise Value, information volume determine audio amplitude adjustment factor jointly.
From upper discussion, during audio amplitude is adjusted, it is contemplated that shadow of the noise to terminal device volume Ring, using the noise figure of determination as one of parameter for determining amplitude adjustment factor so that the volume after regulation more preferably meets User's request, further increase volume adjusting effect.
Fig. 5 is a kind of structured flowchart of volume adjustment device provided in an embodiment of the present invention, and the device is above-mentioned for performing The volume adjusting method that embodiment provides, possesses the corresponding functional module of execution method and beneficial effect.As shown in figure 5, the dress Put and specifically include:Acquisition module 101, amplitude determination module 102, regulation coefficient determining module 103 and adjusting module 104.
Wherein, acquisition module 101, for when detecting that terminal device carries out source of sound broadcasting, obtaining the sound of the source of sound Frequency information.
Terminal device can carry out source of sound by the audio and video playing software that the third party application or system of installation carry Broadcasting.Wherein, the steps such as acquisition, decoding and output of audio files are mainly included.Exemplary, the source of sound text got Part can be the multicast data flow received by network, can also be the audio-video document that terminal device is locally stored;Get this It is loaded into after audio files in core buffer;The audio files for being loaded into core buffer are decoded, decoded Before beginning, if the audio files include video data, it is necessary to carry out the separation of voice data and video data simultaneously, Voice data after separation is inputted to audio decoder, wherein, audio decoder is mainly used in reading in core buffer Voice data, digital audio and video signals are obtained, and the digital audio and video signals are converted into simulated audio signal, terminal device is broadcast Put device and audio broadcasting is carried out according to the simulated audio signal.In one embodiment, when listening to source of sound broadcast event quilt During triggering, determine that terminal device commences play out source of sound, wherein, the trigger event can be shown in the touch-screen detected Broadcast button is pressed, and can also be when detecting the broadcasting device of terminal device for example loudspeaker commencing play out sound, determines terminal Equipment carries out source of sound broadcasting.
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.In one embodiment In, the digital audio and video signals that can decode to obtain to audio decoder are sampled, and determine audio-frequency information corresponding to the source of sound. In another embodiment, the original document of currently playing source of sound can also be obtained, sound is determined by the parsing to the original document Audio-frequency information corresponding to source.In another embodiment, by taking Android systems as an example, can pass through Android.media.MediaRecorder classes or android.media.AudioRecord classes obtain the audio letter of source of sound Breath.
Amplitude determination module 102, for being shaken according to audio corresponding to audio-frequency information determination and the audio-frequency information Width.
Amplitude refers to the ultimate range of deviation origin-location during object vibrations, the loudness and sound of the sound that human ear is heard The amplitude in source is related, and amplitude is bigger, and loudness is stronger.In one embodiment, obtained digital sound can be decoded to audio decoder Frequency signal is sampled, and obtains the amplitude information in preset time period T, wherein, the amplitude information can have multiple amplitude groups Into multiple amplitudes that foundation obtains can determine the amplitude curve of the source of sound played in preset time period T accordingly. In another embodiment, by taking android system as an example, can by android.media.MediaRecorder classes or Android.media.AudioRecord classes obtain corresponding amplitude size after obtaining the audio-frequency information of source of sound.In another implementation , can be by being solved to original document when the audio-frequency information that step S101 is got is original document corresponding to source of sound in example Analyse to obtain corresponding amplitude size.
In one embodiment, when detecting source of sound broadcasting, determine once to shake every preset time (such as 1s, 3s or 10s) Width, or in real time, the amplitude of each frame of audio-frequency information is determined.Specifically, the audio for obtaining the source of sound Information includes:Obtain the audio frame information of the source of sound;Accordingly, the amplitude of the source of sound is determined according to the audio-frequency information Including:The amplitude of each frame of the source of sound is determined according to the audio frame information.Exemplary, when detecting that source of sound plays, Audio files are parsed to obtain audio frame sequence, the amplitude according to corresponding to determining each frame of audio frame sequence.
Regulation coefficient determining module 103, for obtaining the information volume of terminal device, determined according to the information volume Corresponding amplitude regulation coefficient.
In one embodiment, the information volume of the acquisition can be the current volume value information of terminal device, volume increasing Add the one or more in information and volume reduction information.Accordingly, according to amplitude adjustment corresponding to information volume determination Coefficient can reduce one in information according to the current volume value information in information volume, volume increase information and volume Kind or a variety of be determined.
Exemplary, terminal device is always divided into 18 grade-adjustables, each grade corresponding one to max volume by Jing Yin Individual volume value, when terminal device plays source of sound, can be by the get volume methods of the volume management assembly of system The current volume value of system;When user carries out volume increase or reduced to adjust by the regulation button or touch-screen of terminal device When, the corresponding volume for determining present terminal equipment is increase or reduction.In a possible embodiment, according to current Amplitude adjustment factor corresponding to volume value determination.In a possible embodiment, according to current volume increase information or volume Reduce amplitude adjustment factor corresponding to information determination.In a possible embodiment, also information or volume can be increased according to volume The volume value for reducing information combination present terminal determines that amplitude adjustment factor adjusts to be realized to audio amplitude jointly.
In a possible embodiment, it is described to include according to amplitude regulation coefficient corresponding to information volume determination: Amplitude regulation coefficient corresponding at least two is determined according to the information volume;Accordingly, described adjusted according to the amplitude is It is several the audio amplitude is adjusted including:Size according to the audio amplitude distributes different amplitude regulation coefficients, right The audio amplitude is adjusted.Exemplary, corresponding two amplitude adjustment factors such as are defined according to information volume, Such as 1.5 and 2, then the size of the audio amplitude adjusted according to needs distributes different amplitude adjustment factors respectively.Exemplary, When amplitude is more than -10db less than -3db, amplitude is high amplitude area, be its distribute gain coefficient be 1.5, when amplitude be less than - It is middle amplitude area when 10db is more than -50db, is that its distribution peak factor is 2 big to significantly improve the amplitude of the fractional amplitude It is small.As shown in the above, when detecting that terminal device plays source of sound, the size reasonable according to different audio amplitudes is distributed The amplitude adjustment factor determined, to obtain suitable output volume so that the sense of hearing of user more, improves volume adjusting Efficiency.
In another embodiment, when the number of the corresponding amplitude regulation coefficient determined according to the information volume is 3 When individual, the size according to the audio amplitude, which distributes different amplitude regulation coefficients, to be included:For more than the first predetermined threshold value Or the first amplitude regulation coefficient is distributed less than the audio amplitude of the 3rd predetermined threshold value, to be big less than or equal to the first predetermined threshold value The second amplitude regulation coefficient is distributed in the audio amplitude of the second predetermined threshold value, to be more than the less than or equal to the second predetermined threshold value The audio amplitudes of three predetermined threshold values distributes the 3rd amplitude regulation coefficient, wherein, the first amplitude regulation coefficient is less than described the Two amplitude regulation coefficients, the second amplitude regulation coefficient are less than the 3rd amplitude regulation coefficient.Wherein, this is first default Threshold value can be -3db, and the second predetermined threshold value can be -10db, and the 3rd predetermined threshold value can be -50db, and accordingly, first shakes Width regulation coefficient is 1 (i.e. without adjustment), and the second amplitude regulation coefficient is 1.4, and the 3rd amplitude regulation coefficient is 1.8.Its In, adjust, avoid without amplitude for the audio amplitude of amplitude excessive (being more than -3db) or amplitude too small (being less than -50db) Distorsion caused by crossing after large amplitude regulation, it also avoid too small noise heighten that the noise brought strengthens asks Topic, further optimizes volume adjusting method.
In a possible embodiment, can be by believing comprising audio during being adjusted to audio amplitude The audio files of breath are parsed, and the data of the sign amplitude information in obtained voice data are modified, modification finishes It is packaged again afterwards, when being buffered to corresponding audio files and being played, audio amplitude has been changed accordingly;Can be with It is, in the decoding process that source of sound plays, by being analyzed to obtain amplitude data to obtained digital audio and video signals, by this Amplitude data is multiplied by corresponding adjustment factor to change amplitude size, and then the volume of source of sound is adjusted.Hereby it is achieved that Do not change and the size of source of sound volume is adjusted on the premise of terminal device system original volume, regulation process can be with Before audio files are introduced into buffering area, to reduce broadcasting load or be adjusted for the source of sound content in buffering area Save to improve regulation efficiency.
Adjusting module 104, for being adjusted according to the amplitude regulation coefficient to the audio amplitude.
The technical scheme that the present embodiment provides, when detecting that terminal device carries out source of sound broadcasting, obtain the source of sound Audio-frequency information;According to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;Obtain the volume of terminal device Information, according to amplitude regulation coefficient corresponding to information volume determination;The audio is shaken according to the amplitude regulation coefficient Width is adjusted.This programme improves volume adjusting efficiency, reduces the power consumption of terminal device.
In a possible embodiment, the regulation coefficient determining module 103 is specifically used for:
Volume value information, volume increase information or the volume current according to terminal device reduces shakes corresponding to information determination Width regulation coefficient.
In a possible embodiment, the regulation coefficient determining module 103 is specifically used for:
Amplitude regulation coefficient corresponding at least two is determined according to the information volume;
The adjusting module 104 is specifically used for:
Size according to the audio amplitude distributes different amplitude regulation coefficients, and the audio amplitude is adjusted.
In a possible embodiment, when the number of the corresponding amplitude regulation coefficient determined according to the information volume When mesh is 3, the regulation coefficient determining module 103 is specifically used for:
To distribute the first amplitude regulation coefficient more than the first predetermined threshold value or less than the audio amplitude of the 3rd predetermined threshold value, The second amplitude regulation coefficient is distributed to be more than the audio amplitude of the second predetermined threshold value less than or equal to the first predetermined threshold value, is small In or equal to the second predetermined threshold value be more than the 3rd predetermined threshold value audio amplitude distribute the 3rd amplitude regulation coefficient, wherein, it is described First amplitude regulation coefficient is less than the second amplitude regulation coefficient, and the second amplitude regulation coefficient shakes less than the described 3rd Width regulation coefficient.
In a possible embodiment, the regulation coefficient determining module 103 is additionally operable to:
Before the size according to the audio amplitude distributes different amplitude regulation coefficients, the audio is determined Meet the audio amplitude of predeterminated frequency in information;
The first amplitude regulation coefficient is distributed for the audio amplitude for meeting predeterminated frequency.
In a possible embodiment, the regulation coefficient determining module 103 is additionally operable to:
It is described according to the information volume determine corresponding to before amplitude regulation coefficient, determine terminal device player The impedance value of part;
According to amplitude regulation coefficient corresponding to the impedance value and information volume determination.
In a possible embodiment, the regulation coefficient determining module 103 is additionally operable to:
It is described according to the information volume determine corresponding to before amplitude regulation coefficient, determine the current institute of terminal device Locate the noise figure of environment;
According to amplitude regulation coefficient corresponding to the noise figure and information volume determination.
The present embodiment provides a kind of terminal device on the basis of the various embodiments described above, and the terminal device can include Volume adjustment device provided by the invention.Fig. 6 is the structural representation of another terminal device provided in an embodiment of the present invention, As shown in fig. 6, the terminal device 200 includes:Memory 201, processor (Central Processing Unit, CPU) 202, Peripheral Interface 203, RF (Radio Frequency, radio frequency) circuit 205, voicefrequency circuit 206, loudspeaker 211, power management core Piece 208, input/output (I/O) subsystem 209, touch-screen 212, other input/control devicess 210 and outside port 204, These parts are communicated by one or more communication bus or signal wire 207.
It should be understood that graphic terminal 200 is only an example of terminal device, and terminal device 200 Can have than more or less parts shown in figure, can combine two or more parts, or can be with Configured with different parts.Various parts shown in figure can be including one or more signal transactings and/or special Hardware, software including integrated circuit are realized in the combination of hardware and software.
The terminal device for being used to open the rights management of application more that the present embodiment provides is described in detail below, The terminal device is by taking smart mobile phone as an example.
Memory 201, the memory 201 can be accessed by CPU202, Peripheral Interface 203 etc., the memory 201 High-speed random access memory can be included, nonvolatile memory, such as one or more magnetic disk storages can also be included Part, flush memory device or other volatile solid-state parts.
Peripheral Interface 203, the Peripheral Interface 203 can by the input of equipment and output peripheral hardware be connected to CPU202 and Memory 201.
I/O subsystems 209, the I/O subsystems 209 can be by the input/output peripherals in equipment, such as touch-screen 212 and other input/control devicess 210, it is connected to Peripheral Interface 203.I/O subsystems 209 can include display controller 2091 and for controlling one or more input controllers 2092 of other input/control devicess 210.Wherein, it is one or more Input controller 2092 receives electric signal from other input/control devicess 210 or sent to other input/control devicess 210 Electric signal, other input/control devicess 210 can include physical button (pressing button, rocker buttons etc.), dial, slip Switch, control stick, click on roller.What deserves to be explained is input controller 2092 can with it is following any one be connected:It is keyboard, red The instruction equipment of external port, USB interface and such as mouse.
Touch-screen 212, the touch-screen 212 are the input interface and output interface between user terminal and user, can It can include figure, text, icon, video etc. to user, visual output depending on output display.
Display controller 2091 in I/O subsystems 209 receives electric signal from touch-screen 212 or sent out to touch-screen 212 Electric signals.Touch-screen 212 detects the contact on touch-screen, and the contact detected is converted to and shown by display controller 2091 Show the interaction of the user interface object on touch-screen 212, that is, realize man-machine interaction, user circle being shown on touch-screen 212 In face of icon as that can be the icon of running game, be networked to corresponding network etc..What deserves to be explained is equipment can also wrap Light mouse is included, light mouse is not show the touch sensitive surface visually exported, or the touch sensitive surface formed by touch-screen Extension.
RF circuits 205, be mainly used in establishing the communication of mobile phone and wireless network (i.e. network side), realize mobile phone with it is wireless The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuits 205 receive and send RF Signal, RF signals are also referred to as electromagnetic signal, and RF circuits 205 convert electrical signals to electromagnetic signal or are converted to electromagnetic signal Electric signal, and communicated by the electromagnetic signal with communication network and other equipment.RF circuits 205 can include using In the known circuit for performing these functions, it includes but is not limited to antenna system, RF transceivers, one or more amplifiers, tune Humorous device, one or more oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, use Family mark module (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 206, it is mainly used in receiving voice data from Peripheral Interface 203, the voice data is converted into telecommunications Number, and the electric signal is sent to loudspeaker 211.
Loudspeaker 211, for the voice signal for receiving mobile phone from wireless network by RF circuits 205, it is reduced to sound And play the sound to user.
Power management chip 208, the hardware for being connected by CPU202, I/O subsystem and Peripheral Interface are powered And power management.
The executable present invention of the volume adjustment device and terminal device of the terminal device provided in above-described embodiment is any real The volume adjusting method for the terminal device that example is provided is applied, possesses and performs the corresponding functional module of this method and beneficial effect.Not The ins and outs of detailed description in the above-described embodiments, reference can be made to the sound for the terminal device that any embodiment of the present invention is provided Amount adjustment method.
The embodiment of the present invention also provides a kind of storage medium for including terminal device executable instruction, the terminal device Executable instruction is used to perform a kind of volume adjusting method when by terminal device computing device, and this method includes:
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained;
According to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;
The information volume of terminal device is obtained, according to amplitude regulation coefficient corresponding to information volume determination;
The audio amplitude is adjusted according to the amplitude regulation coefficient.
In a possible embodiment, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:
Volume value information, volume increase information or the volume current according to terminal device reduces shakes corresponding to information determination Width regulation coefficient.
In a possible embodiment, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:
Amplitude regulation coefficient corresponding at least two is determined according to the information volume;
Accordingly, it is described the audio amplitude is adjusted according to the amplitude regulation coefficient including:
Size according to the audio amplitude distributes different amplitude regulation coefficients, and the audio amplitude is adjusted.
In a possible embodiment, when the number of the corresponding amplitude regulation coefficient determined according to the information volume When mesh is 3, the size according to the audio amplitude, which distributes different amplitude regulation coefficients, to be included:
To distribute the first amplitude regulation coefficient more than the first predetermined threshold value or less than the audio amplitude of the 3rd predetermined threshold value, The second amplitude regulation coefficient is distributed to be more than the audio amplitude of the second predetermined threshold value less than or equal to the first predetermined threshold value, is small In or equal to the second predetermined threshold value be more than the 3rd predetermined threshold value audio amplitude distribute the 3rd amplitude regulation coefficient, wherein, it is described First amplitude regulation coefficient is less than the second amplitude regulation coefficient, and the second amplitude regulation coefficient shakes less than the described 3rd Width regulation coefficient.
In a possible embodiment, different amplitude adjustment is distributed in the size according to the audio amplitude Before coefficient, in addition to:
Determine the audio amplitude for meeting predeterminated frequency in the audio-frequency information;
Accordingly, the size according to the audio amplitude is distributed different amplitude regulation coefficients and included:
The first amplitude regulation coefficient is distributed for the audio amplitude for meeting predeterminated frequency.
In a possible embodiment, it is described according to the information volume determine corresponding to amplitude regulation coefficient it Before, in addition to:
Determine that terminal device plays the impedance value of device;
Accordingly, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:
According to amplitude regulation coefficient corresponding to the impedance value and information volume determination.
In a possible embodiment, it is described according to the information volume determine corresponding to amplitude regulation coefficient it Before, in addition to:
Determine that terminal device is presently in the noise figure of environment;
Accordingly, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:
According to amplitude regulation coefficient corresponding to the noise figure and information volume determination.
Storage medium --- any various types of memory devices or storage device.Term " storage medium " is intended to Including:Install medium, such as CD-ROM, floppy disk or magnetic tape equipment;Computer system memory or random access memory, it is all Such as DRAM, DDR RAM, SRAM, EDO RAM, blue Bath (Rambus) RAM etc.;Nonvolatile memory, such as flash memory, magnetic are situated between Matter (such as hard disk or optical storage);Memory component of register or other similar types etc..Storage medium can also include it The memory of its type or its combination.In addition, storage medium can be located at the first computer system that program is performed wherein In, or can be located in different second computer systems, second computer system is connected by network (such as internet) To first computer system.Second computer system can provide programmed instruction and be used to perform to the first computer.Term " is deposited Storage media " can include may reside within diverse location (such as in different computer systems by network connection) Two or more storage mediums.Storage medium, which can store the programmed instruction that can be performed by one or more processors, (such as to be had Body is embodied as computer program).
Certainly, a kind of storage medium for including computer executable instructions that the embodiment of the present invention is provided, its computer The volume adjusting method operation that executable instruction is not limited to the described above, can also carry out any embodiment of the present invention and is provided Volume adjusting method in associative operation.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.Those skilled in the art can manage Solution, the invention is not restricted to specific embodiment described here, can carry out various obvious changes for a person skilled in the art Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example to the present invention It is described in further detail, but the present invention is not limited only to above example, is not departing from the situation of present inventive concept Under, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.

Claims (10)

  1. A kind of 1. volume adjusting method, it is characterised in that including:
    When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained;
    According to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;
    The information volume of terminal device is obtained, according to amplitude regulation coefficient corresponding to information volume determination;
    The audio amplitude is adjusted according to the amplitude regulation coefficient.
  2. 2. according to the method for claim 1, it is characterised in that described to be adjusted according to amplitude corresponding to information volume determination Integral coefficient includes:
    Volume value information, volume increase information or the volume current according to terminal device reduces amplitude adjustment corresponding to information determination Coefficient.
  3. 3. according to the method for claim 2, it is characterised in that described to be adjusted according to amplitude corresponding to information volume determination Integral coefficient includes:
    Amplitude regulation coefficient corresponding at least two is determined according to the information volume;
    Accordingly, it is described the audio amplitude is adjusted according to the amplitude regulation coefficient including:
    Size according to the audio amplitude distributes different amplitude regulation coefficients, and the audio amplitude is adjusted.
  4. 4. according to the method for claim 3, it is characterised in that when the corresponding amplitude determined according to the information volume is adjusted When the number of integral coefficient is 3, the size according to the audio amplitude, which distributes different amplitude regulation coefficients, to be included:
    For more than the first predetermined threshold value or less than the 3rd predetermined threshold value audio amplitude distribute the first amplitude regulation coefficient, for less than Or equal to the first predetermined threshold value be more than the second predetermined threshold value audio amplitude distribute the second amplitude regulation coefficient, for less than or equal to The audio amplitude that second predetermined threshold value is more than the 3rd predetermined threshold value distributes the 3rd amplitude regulation coefficient, wherein, first amplitude Regulation coefficient is less than the second amplitude regulation coefficient, and the second amplitude regulation coefficient is less than the 3rd amplitude adjustment system Number.
  5. 5. according to the method for claim 4, it is characterised in that distributed in the size according to the audio amplitude different Amplitude regulation coefficient before, in addition to:
    Determine the audio amplitude for meeting predeterminated frequency in the audio-frequency information;
    Accordingly, the size according to the audio amplitude is distributed different amplitude regulation coefficients and included:
    The first amplitude regulation coefficient is distributed for the audio amplitude for meeting predeterminated frequency.
  6. 6. according to the method any one of claim 1-5, it is characterised in that determined described according to the information volume Before corresponding amplitude regulation coefficient, in addition to:
    Determine that terminal device plays the impedance value of device;
    Accordingly, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:
    According to amplitude regulation coefficient corresponding to the impedance value and information volume determination.
  7. 7. according to the method any one of claim 1-5, it is characterised in that determined described according to the information volume Before corresponding amplitude regulation coefficient, in addition to:
    Determine that terminal device is presently in the noise figure of environment;
    Accordingly, it is described to include according to amplitude regulation coefficient corresponding to information volume determination:
    According to amplitude regulation coefficient corresponding to the noise figure and information volume determination.
  8. A kind of 8. volume adjustment device, it is characterised in that including:
    Acquisition module, for when detecting that terminal device carries out source of sound broadcasting, obtaining the audio-frequency information of the source of sound;
    Amplitude determination module, for according to audio amplitude corresponding to audio-frequency information determination and the audio-frequency information;
    Regulation coefficient determining module, for obtaining the information volume of terminal device, shaken according to corresponding to information volume determination Width regulation coefficient;
    Adjusting module, for being adjusted according to the amplitude regulation coefficient to the audio amplitude.
  9. 9. a kind of terminal device, including:Processor, memory and storage are on a memory and the meter that can run on a processor Calculation machine program, it is characterised in that realized described in the computing device during computer program such as any one of claim 1-7 institutes The volume adjusting method stated.
  10. A kind of 10. storage medium for including terminal device executable instruction, it is characterised in that the terminal device executable instruction As volume adjusting method during terminal device computing device for execution as any one of claim 1-7.
CN201710711385.6A 2017-08-18 2017-08-18 Volume adjusting method, device, terminal device and storage medium Active CN107479852B (en)

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