CN107465824A - volume adjusting method, device, mobile terminal and storage medium - Google Patents
volume adjusting method, device, mobile terminal and storage medium Download PDFInfo
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- CN107465824A CN107465824A CN201710711588.5A CN201710711588A CN107465824A CN 107465824 A CN107465824 A CN 107465824A CN 201710711588 A CN201710711588 A CN 201710711588A CN 107465824 A CN107465824 A CN 107465824A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a kind of volume adjusting method, device, mobile terminal 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；It is determined that with the audio amplitude corresponding to amplitude regulation coefficient and noise reduction information, the audio amplitude is adjusted according to the regulation coefficient and the noise reduction information.This programme improves volume adjusting efficiency, reduces the power consumption of mobile terminal.
Description
Technical field
The present embodiments relate to computer technology, more particularly to a kind of volume adjusting method, device, mobile terminal and deposit
Storage media.
Background technology
With the raising of mobile terminal popularity, increasing user performs various work(using mobile terminal
Can to meet self-demand, such as using mobile terminal read word, watch video, listen music, play play.When mobile terminal exists
During 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, improves volume adjusting effect
Rate, 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；
It is determined that with the audio amplitude corresponding to amplitude regulation coefficient and noise reduction information, according to the regulation coefficient and institute
Noise reduction information is stated to be adjusted the audio amplitude.
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；
Information determination module is adjusted, for amplitude regulation coefficient corresponding to determination and the audio amplitude and noise reduction letter
Breath；
Adjustment module, for being adjusted according to the regulation coefficient and the noise reduction information 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 such as during computer program described in the computing device
Volume adjusting method described in the embodiment of the present 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；It is determined that with the audio amplitude corresponding to amplitude
Regulation coefficient and noise reduction information, the audio amplitude is adjusted according to the regulation coefficient and the noise reduction information.This
Scheme 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 is other
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 the flow chart of another volume adjusting method provided in an embodiment of the present invention
Fig. 6 is a kind of structured flowchart of volume adjustment device provided in an embodiment of the present invention；
Fig. 7 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 retouching
State, 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 was applicable to end
End equipment plays the volume situation about being adjusted during 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, the present embodiment
The concrete scheme of offer 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 audio files got
It can be the multicast data flow received by network, can also be the audio-video document that terminal device is locally stored；Get the sound
It is loaded into after source file in core buffer；The audio files for being loaded into core buffer are decoded, opened in decoding
Before beginning, if the audio files include video data, it is necessary to carry out the separation of voice data and video data simultaneously, it will divide
Voice data from after is inputted to audio decoder, wherein, audio decoder is mainly used in reading the audio in core buffer
Data, digital audio and video signals are obtained, and the digital audio and video signals are converted into simulated audio signal, the broadcasting device of terminal device
Audio broadcasting is carried out according to the simulated audio signal.In one embodiment, when listening to source of sound broadcast event and being triggered, really
Determine terminal device and commence play out source of sound, wherein, the trigger event can be the broadcast button quilt shown in the touch-screen detected
Press, can also be when detecting the broadcasting device of terminal device for example loudspeaker commencing play out sound, determine that terminal device carries out sound
Source plays.
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,
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.Another
In embodiment, the original document of currently playing source of sound can also be obtained, source of sound pair is determined by the parsing to the original document
The audio-frequency information answered.In another embodiment, by taking android system as an example, can pass through
Android.media.MediaRecorder classes or android.media.AudioRecord classes obtain the audio-frequency information of source of sound.
Step S102, according to audio amplitude corresponding to audio-frequency information determination.
Amplitude refers to the ultimate range of deviation origin-location during object vibrations, the loudness and source of sound of the sound that human ear is heard
Amplitude it is related, amplitude is bigger, and loudness is stronger.In one embodiment, obtained DAB letter can be decoded to audio decoder
Number it is sampled, obtains the amplitude information in preset time period T, wherein, the amplitude information can be made up of multiple amplitudes, foundation
Obtained multiple amplitudes can determine the amplitude curve of the source of sound played in preset time period T accordingly.In another implementation
In example, 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 bag of the source of sound is determined according to the audio-frequency information
Include：The amplitude of each frame of the source of sound is determined according to the audio frame information.Exemplary, it is right 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, amplitude regulation coefficient and noise reduction information corresponding to determination and the audio amplitude, according to the tune
Integral coefficient and the noise reduction information are adjusted to the audio amplitude.
In one embodiment, noise reduction information can be the reverse output letter for the noise information determined according to audio amplitude
Breath, specifically, working as, the then amplitude that in noise reduction information reversely exports bigger according to the corresponding noise amplitude of audio amplitude determination
Corresponding increase, when the corresponding noise amplitude determined according to audio amplitude is relatively small, then reversely exported in noise reduction information
Amplitude also accordingly reduces, and thus achieves and reasonably determines noise reduction information section by analyzing audio amplitude, and then completes automatic
Noise reduction, noise reduction levels are set without artificial, simultaneously as determining noise reduction information, noise reduction effect for the audio amplitude inputted in real time
Fruit is more preferably.
In one embodiment, after amplitude regulation coefficient corresponding to the determination and the audio amplitude, in addition to：
The amplitude regulation coefficient is divided into the sub- amplitude regulation coefficient of preset number；Accordingly, it is described according to the regulation coefficient
The audio amplitude is adjusted with the noise reduction information including：According to the sub- amplitude regulation coefficient and the noise reduction information
The audio amplitude is adjusted.To improve the volume in short arc region in source of sound, to the distribution of the audio amplitude of short arc compared with
Big amplitude regulation coefficient, the audio amplitude of high amplitude distribute a less regulation coefficient accordingly.It is exemplary, to less than-
3db is 1.2 more than -10db audio amplitudes distribution amplitude regulation coefficient, to less than the audio amplitudes point of -10db more than -50db
It is 2 with amplitude regulation coefficient, now, in source of sound playing process, next section is transitioned into by the amplitude regulation coefficient 1.2 of the last period
There can be the sense of hearing significantly brought by the jump of amplitude regulation coefficient during the audio amplitude for needing amplitude regulation coefficient 2 to be adjusted
The problem of lofty.Optionally, the sub- amplitude regulation coefficient that the amplitude regulation coefficient is divided into preset number includes：Inspection
When measuring that amplitude regulation coefficient meets preparatory condition corresponding to different audio amplitudes, the amplitude regulation coefficient is divided into default
The sub- amplitude regulation coefficient of number, the sub- amplitude regulation coefficient linearly or nonlinearly divide according to the amplitude regulation coefficient
Arrive.Wherein, the preparatory condition can be that the amplitude regulation coefficient of adjacent audio amplitude is inconsistent, if amplitude regulation coefficient is by 1
Become 2, or amplitude regulation coefficient becomes 1.2 etc. by 2, and now, the son that the amplitude regulation coefficient is divided into preset number is shaken
Width regulation coefficient, it is exemplary, can be 1.2 to 2 when the amplitude regulation coefficient for the adjacent audio amplitude determined is 1.2 and 2
Between subdivided 10 grades, i.e., 1.28,1.36,1.42 ..., 2.Wherein, the division of sub- amplitude regulation coefficient can be linear
Can also be nonlinear., can will be (exemplary per n in the transition stage of amplitude regulation coefficient 1.2 to 2 during regulation
N be more than 1 and be less than or equal to 20) the corresponding sub- amplitude regulation coefficient of frame audio frame, the amplitude of each audio frame is carried out successively
Adjustment.Exemplary, when amplitude regulation coefficient changes into 2 by 1.2, change amplitude corresponding to 1-20 audio frames when occurring and adjust
Integral coefficient is 1.28, and the amplitude regulation coefficient of 21-40 frames is 1.36, the like.
In a possible embodiment, the process being adjusted to audio amplitude can be：Audio files are solved
Analysis, the data of the sign amplitude information in obtained voice data are modified, is packaged again after modification, works as buffering
Audio amplitude has been increased accordingly when to corresponding audio files and being played；It is also possible that the decoding played in source of sound
Cheng Zhong, by being analyzed to obtain audio amplitude to obtained digital audio and video signals, the amplitude data is multiplied by corresponding regulation
The volume of source of sound is adjusted with changing amplitude size for coefficient.Hereby it is achieved that it is original not change terminal device system
The size of source of sound volume is adjusted on the premise of volume, regulation process can before audio files are introduced into buffering area,
Load or be adjusted for the source of sound content in buffering area to improve regulation efficiency to reduce to play.
Fig. 2 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, the determination and institute
Stating amplitude regulation coefficient corresponding to audio amplitude includes：Size according to the audio amplitude determines corresponding with the audio amplitude
Amplitude regulation coefficient.As shown in Fig. 2 the technical scheme that the present embodiment provides is specific as follows：
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 the audio-frequency information determine corresponding to audio amplitude, it is determined that with the audio amplitude corresponding to
Noise reduction information.
Step S203, according to the audio amplitude size determine and the audio amplitude corresponding to amplitude regulation coefficient.
In one embodiment, the audio amplitude of the preset length can be determined by obtaining the audio amplitude of preset length
Mean amplitude of tide size, and then according to amplitude regulation coefficient corresponding to mean amplitude of tide size determination.Exemplary, can be by prestoring
Mapping table be determined, a kind of possible determination mode is as shown in the table：
Table 1
| Mean amplitude of tide | Regulation coefficient |
| More than -3db or less than -50db | 1 |
| It is more than -50db less than -10db | 2 |
| It is more than -10db less than -3db | 1.5 |
As shown in table 1, when mean amplitude of tide is more than -3db or less than -50db, its gain is not adjusted；When amplitude is small
When -10db is more than -50db, amplitude is high amplitude area, is that its distribution gain coefficient is 1.5, be more than when amplitude is less than -10db -
Be middle amplitude area during 50db, be its to distribute peak factor be 2 to significantly improve the amplitude size of the fractional amplitude.
Step S204, the amplitude regulation coefficient is divided into the sub- amplitude regulation coefficient of preset number, according to the son
Amplitude regulation coefficient and the noise reduction information are adjusted to the audio amplitude.
From the foregoing, by the way that different audio amplitude sizes are distributed with different amplitude regulation coefficients, distorsion is avoided
Meanwhile the amplitude lift to noise is reduced, on this basis, further it is adjusted the subdivision of coefficient so that source of sound is broadcast
Sound size reasonable during putting, sense of hearing are smooth.
Fig. 3 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, the determination and institute
Stating amplitude regulation coefficient corresponding to audio amplitude includes：It is true according to the size of the audio amplitude and the information volume of terminal device
Amplitude regulation coefficient corresponding to the fixed and audio amplitude, the information volume include volume value information, volume increase information or
Volume reduces information.As shown in figure 3, the technical scheme that the present embodiment provides is specific as follows：
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 the audio-frequency information determine corresponding to audio amplitude, it is determined that with the audio amplitude corresponding to
Noise reduction information.
Step S303, according to the size of the audio amplitude and the information volume of terminal device determines and the audio amplitude
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 kind in information according to the current volume value information in information volume, volume increase information and volume
Or a variety of it is 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
It is determined that corresponding amplitude adjustment factor can be exemplified by following table：
Table 2
In another embodiment, amplitude tune corresponding to information determination is reduced according to current volume increase information or volume
Saving coefficient can be exemplified by following table：
Table 3
| 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 volume of information combination present terminal
Value is common to determine that amplitude adjustment factor adjusts to be realized to audio amplitude.
In a possible embodiment, it is determined that with the audio amplitude corresponding to amplitude regulation coefficient mode can be：
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, to be less than or waiting
The audio amplitude for being more than the second predetermined threshold value in the first predetermined threshold value distributes the second amplitude regulation coefficient, for less than or equal to second
The audio amplitude that predetermined threshold value is more than the 3rd predetermined threshold value distributes the 3rd amplitude regulation coefficient, wherein, the first amplitude adjustment
Coefficient is less than the second amplitude regulation coefficient, and the second amplitude regulation coefficient is less than the 3rd amplitude regulation coefficient.Its
In, first predetermined threshold value can be -3db, and the second predetermined threshold value can be -10db, and the 3rd predetermined threshold value can be -50db,
Accordingly, the first amplitude regulation coefficient is 1 (i.e. without adjustment), and the second amplitude regulation coefficient is 1.4, the 3rd amplitude adjustment system
Number is 1.8.Wherein, for the audio amplitude of amplitude excessive (being more than -3db) or amplitude too small (being less than -50db) without amplitude
Regulation, distorsion caused by crossing after large amplitude is adjusted is avoided, it also avoid that too small noise is carried out to heighten the noise brought
The problem of enhancing, further optimize volume adjusting method.
Step S304, the amplitude regulation coefficient is divided into the sub- amplitude regulation coefficient of preset number, according to the son
Amplitude regulation coefficient and the noise reduction information are adjusted to the audio amplitude.
Fig. 4 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, it is determined that with it is described
After amplitude regulation coefficient corresponding to audio amplitude, in addition to：The impedance value of device is played to the amplitude according to terminal device
Regulation coefficient is adjusted；Accordingly, the sub- amplitude regulation coefficient that the amplitude regulation coefficient is divided into preset number
Including：Amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number.As shown in figure 4, the present embodiment
The technical scheme of offer is specific as follows：
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 the audio-frequency information determine corresponding to audio amplitude, it is determined that with the audio amplitude corresponding to
Noise reduction information.
Step S403, amplitude regulation coefficient corresponding to determination and the audio amplitude, device is played according to terminal device
Amplitude regulation coefficient is adjusted described in impedance value.
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.Exemplary, the impedance value is bigger corresponding right
The adjustment of amplitude regulation coefficient is bigger.Specifically, the nominal impedance value for assuming to play device is x, by detecting obtained impedance
It is worth for 1.2x, then accordingly on the basis of the amplitude regulation coefficient determined, the amplitude regulation coefficient is multiplied by 1.2 as adjusting
Amplitude regulation coefficient after whole.
Step S404, amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number, according to institute
State sub- amplitude regulation coefficient and the noise reduction information is adjusted to the audio amplitude.
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 to normal
The problem of volume in 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. 5 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, it is determined that with it is described
After amplitude regulation coefficient corresponding to audio amplitude, in addition to：Noise figure according to terminal device local environment is to the amplitude
Regulation coefficient is adjusted；Accordingly, the sub- amplitude regulation coefficient that the amplitude regulation coefficient is divided into preset number
Including：Amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number.As shown in figure 5, the present embodiment
The technical scheme of offer is specific as follows：
Step S501, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S502, according to the audio-frequency information determine corresponding to audio amplitude, it is determined that with the audio amplitude corresponding to
Noise reduction information.
Step S503, amplitude regulation coefficient corresponding to determination and the audio amplitude, according to terminal device local environment
Noise figure is adjusted to the amplitude regulation coefficient.
In one embodiment, the noise of environment can be presently in by the collection of the microphone of installing terminal equipment to determine
Corresponding noise figure.Exemplary, the noise figure is bigger, and the corresponding adjustment to amplitude regulation coefficient is bigger.Specifically, assume
Noise figure of the terminal device under quiet environment is y, when terminal device is in outdoor or noisy environment, it is determined that noise figure be
1.5y, then accordingly on the basis of the amplitude regulation coefficient determined, after the amplitude regulation coefficient is multiplied by into 1.5 as adjustment
Amplitude regulation coefficient.It should be noted that also the size of impedance value, noise figure and audio amplitude can be determined source of sound jointly
Amplitude adjustment factor.
Step S504, amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number, according to institute
State sub- amplitude regulation coefficient and the noise reduction information is adjusted to the audio amplitude.
From the foregoing, during the amplitude of source of sound 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 conforms to
User's request, further increase volume adjusting effect.
Fig. 6 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 fig. 6, the dress
Put and specifically include：Acquisition module 101, amplitude determination module 102, regulation information determination module 103 and adjustment 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 audio files got
It can be the multicast data flow received by network, can also be the audio-video document that terminal device is locally stored；Get the sound
It is loaded into after source file in core buffer；The audio files for being loaded into core buffer are decoded, opened in decoding
Before beginning, if the audio files include video data, it is necessary to carry out the separation of voice data and video data simultaneously, it will divide
Voice data from after is inputted to audio decoder, wherein, audio decoder is mainly used in reading the audio in core buffer
Data, digital audio and video signals are obtained, and the digital audio and video signals are converted into simulated audio signal, the broadcasting device of terminal device
Audio broadcasting is carried out according to the simulated audio signal.In one embodiment, when listening to source of sound broadcast event and being triggered, really
Determine terminal device and commence play out source of sound, wherein, the trigger event can be the broadcast button quilt shown in the touch-screen detected
Press, can also be when detecting the broadcasting device of terminal device for example loudspeaker commencing play out sound, determine that terminal device carries out sound
Source plays.
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,
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.Another
In embodiment, the original document of currently playing source of sound can also be obtained, source of sound pair is determined by the parsing to the original document
The audio-frequency information answered.In another embodiment, by taking android system as an example, can pass through
Android.media.MediaRecorder classes or android.media.AudioRecord classes obtain the audio-frequency information of source of sound.
Amplitude determination module 102, for according to audio amplitude corresponding to audio-frequency information determination.
Amplitude refers to the ultimate range of deviation origin-location during object vibrations, the loudness and source of sound of the sound that human ear is heard
Amplitude it is related, amplitude is bigger, and loudness is stronger.In one embodiment, obtained DAB letter can be decoded to audio decoder
Number it is sampled, obtains the amplitude information in preset time period T, wherein, the amplitude information can be made up of multiple amplitudes, foundation
Obtained multiple amplitudes can determine the amplitude curve of the source of sound played in preset time period T accordingly.In another implementation
In example, 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 bag of the source of sound is determined according to the audio-frequency information
Include：The amplitude of each frame of the source of sound is determined according to the audio frame information.Exemplary, it is right 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.
Information determination module 103 is adjusted, for amplitude regulation coefficient and noise reduction corresponding to determination and the audio amplitude
Information.
In one embodiment, noise reduction information can be the reverse output letter for the noise information determined according to audio amplitude
Breath, specifically, working as, the then amplitude that in noise reduction information reversely exports bigger according to the corresponding noise amplitude of audio amplitude determination
Corresponding increase, when the corresponding noise amplitude determined according to audio amplitude is relatively small, then reversely exported in noise reduction information
Amplitude also accordingly reduces, and thus achieves and reasonably determines noise reduction information section by analyzing audio amplitude, and then completes automatic
Noise reduction, noise reduction levels are set without artificial, simultaneously as determining noise reduction information, noise reduction effect for the audio amplitude inputted in real time
Fruit is more preferably.
In one embodiment, after amplitude regulation coefficient corresponding to the determination and the audio amplitude, in addition to：
The amplitude regulation coefficient is divided into the sub- amplitude regulation coefficient of preset number；Accordingly, it is described according to the regulation coefficient
The audio amplitude is adjusted with the noise reduction information including：According to the sub- amplitude regulation coefficient and the noise reduction information
The audio amplitude is adjusted.To improve the volume in short arc region in source of sound, to the distribution of the audio amplitude of short arc compared with
Big amplitude regulation coefficient, the audio amplitude of high amplitude distribute a less regulation coefficient accordingly.It is exemplary, to less than-
3db is 1.2 more than -10db audio amplitudes distribution amplitude regulation coefficient, to less than the audio amplitudes point of -10db more than -50db
It is 2 with amplitude regulation coefficient, now, in source of sound playing process, next section is transitioned into by the amplitude regulation coefficient 1.2 of the last period
There can be the sense of hearing significantly brought by the jump of amplitude regulation coefficient during the audio amplitude for needing amplitude regulation coefficient 2 to be adjusted
The problem of lofty.Optionally, the sub- amplitude regulation coefficient that the amplitude regulation coefficient is divided into preset number includes：Inspection
When measuring that amplitude regulation coefficient meets preparatory condition corresponding to different audio amplitudes, the amplitude regulation coefficient is divided into default
The sub- amplitude regulation coefficient of number, the sub- amplitude regulation coefficient linearly or nonlinearly divide according to the amplitude regulation coefficient
Arrive.Wherein, the preparatory condition can be that the amplitude regulation coefficient of adjacent audio amplitude is inconsistent, if amplitude regulation coefficient is by 1
Become 2, or amplitude regulation coefficient becomes 1.2 etc. by 2, and now, the son that the amplitude regulation coefficient is divided into preset number is shaken
Width regulation coefficient, it is exemplary, can be 1.2 to 2 when the amplitude regulation coefficient for the adjacent audio amplitude determined is 1.2 and 2
Between subdivided 10 grades, i.e., 1.28,1.36,1.42 ..., 2.Wherein, the division of sub- amplitude regulation coefficient can be linear
Can also be nonlinear., can will be (exemplary per n in the transition stage of amplitude regulation coefficient 1.2 to 2 during regulation
N be more than 1 and be less than or equal to 20) the corresponding sub- amplitude regulation coefficient of frame audio frame, the amplitude of each audio frame is carried out successively
Adjustment.Exemplary, when amplitude regulation coefficient changes into 2 by 1.2, change amplitude corresponding to 1-20 audio frames when occurring and adjust
Integral coefficient is 1.28, and the amplitude regulation coefficient of 21-40 frames is 1.36, the like.
Adjustment module 104, for being adjusted according to the regulation coefficient and the noise reduction information to the audio amplitude.
In a possible embodiment, the process being adjusted to audio amplitude can be：Audio files are solved
Analysis, the data of the sign amplitude information in obtained voice data are modified, is packaged again after modification, works as buffering
Audio amplitude has been increased accordingly when to corresponding audio files and being played；It is also possible that the decoding played in source of sound
Cheng Zhong, by being analyzed to obtain audio amplitude to obtained digital audio and video signals, the amplitude data is multiplied by corresponding regulation
The volume of source of sound is adjusted with changing amplitude size for coefficient.Hereby it is achieved that it is original not change terminal device system
The size of source of sound volume is adjusted on the premise of volume, regulation process can before audio files are introduced into buffering area,
Load or be adjusted for the source of sound content in buffering area to improve regulation efficiency to reduce to play.
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；It is determined that with the audio amplitude corresponding to amplitude adjustment
Coefficient and noise reduction information, the audio amplitude is adjusted according to the regulation coefficient and the noise reduction information.This programme
Volume adjusting efficiency is improved, reduces the power consumption of mobile terminal.
In a possible embodiment, the regulation information determination module 103 is specifically used for：
After amplitude regulation coefficient corresponding to the determination and the audio amplitude, the amplitude regulation coefficient is divided
For the sub- amplitude regulation coefficient of preset number；
The adjustment module 104 is specifically used for：
The audio amplitude is adjusted according to the sub- amplitude regulation coefficient and the noise reduction information.
In a possible embodiment, the regulation information determination module 103 is specifically used for：
When detecting that amplitude regulation coefficient meets preparatory condition corresponding to different audio amplitudes, by the amplitude regulation coefficient
The sub- amplitude regulation coefficient of preset number is divided into, the sub- amplitude regulation coefficient is linear or non-according to the amplitude regulation coefficient
Linear partition obtains.
In a possible embodiment, the adjustment information determining module 103 is specifically used for：
According to amplitude regulation coefficient corresponding to the size determination of the audio amplitude of the audio-frequency information.
In a possible embodiment, the adjustment information determining module 103 is specifically used for：
Amplitude regulation coefficient corresponding to size determination and the audio amplitude according to the audio amplitude.
In a possible embodiment, the adjustment information determining module 103 is specifically used for：
Shaken according to corresponding to the size and the information volume determination of terminal device and the audio amplitude of the audio amplitude
Width regulation coefficient, the information volume include volume value information, volume increase information or volume and reduce information.
In a possible embodiment, the adjustment information determining module 103 is additionally operable to：
It is determined that with the audio amplitude corresponding to after amplitude regulation coefficient, the impedance of device is played according to terminal device
The noise figure of value and/or local environment is adjusted to the amplitude regulation coefficient；
Amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number.
The present embodiment provides a kind of terminal device on the basis of the various embodiments described above, and Fig. 7 is that the embodiment of the present invention carries
The structural representation of a kind of terminal device supplied, as shown in fig. 7, 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 chip 208, input/output (I/O) subsystem 209, touch-screen 212, other
Input/control devices 210 and outside port 204, these parts are led to by one or more communication bus or signal wire 207
Letter.
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, should
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., and the memory 201 can
Including high-speed random access memory, can also include nonvolatile memory, such as one or more disk memories,
Flush memory device or other volatile solid-state parts.
The input of equipment and output peripheral hardware can be connected to CPU202 and deposited by Peripheral Interface 203, the Peripheral Interface 203
Reservoir 201.
I/O subsystems 209, the I/O subsystems 209 can be by the input/output peripherals in equipment, such as touch-screen 212
With other input/control devicess 210, Peripheral Interface 203 is connected to.I/O subsystems 209 can include the He of display controller 2091
For controlling one or more input controllers 2092 of other input/control devicess 210.Wherein, one or more input controls
Device 2092 processed receives electric signal from other input/control devicess 210 or sends electric signal to other input/control devicess 210,
Other input/control devicess 210 can include physical button (pressing button, rocker buttons etc.), dial, slide switch, behaviour
Vertical pole, click on roller.What deserves to be explained is input controller 2092 can with it is following any one be connected：Keyboard, infrared port,
The instruction equipment of 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
The interaction of user interface object on touch-screen 212, that is, realize man-machine interaction, the user interface being shown on touch-screen 212
Icon that object can be the icon of running game, be networked to corresponding network etc..What deserves to be explained is equipment can also include light
Mouse, light mouse is not show the touch sensitive surface visually exported, or the extension of the touch sensitive surface formed by touch-screen.
RF circuits 205, it is mainly used in establishing the communication of mobile phone and wireless network (i.e. network side), realizes mobile phone and wireless network
The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuits 205 receive and send RF letters
Number, RF signals are also referred to as electromagnetic signal, and RF circuits 205 convert electrical signals to electromagnetic signal or electromagnetic signal is converted into telecommunications
Number, and communicated by the electromagnetic signal with communication network and other equipment.RF circuits 205 can include being used to perform
The known circuit of these functions, it includes but is not limited to antenna system, RF transceivers, one or more amplifiers, tuner, one
Individual or multiple oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, user identify mould
Block (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 volume for the terminal device that any embodiment of the present invention is provided
Adjusting method.
The embodiment of the present invention also provides a kind of storage medium for including terminal device executable instruction, and the terminal device can
Execute 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；
It is determined that with the audio amplitude corresponding to amplitude regulation coefficient and noise reduction information, according to the regulation coefficient and institute
Noise reduction information is stated to be adjusted the audio amplitude.
In a possible embodiment, after amplitude regulation coefficient corresponding to the determination and the audio amplitude,
Also include：
The amplitude regulation coefficient is divided into the sub- amplitude regulation coefficient of preset number；
Accordingly, it is described according to the regulation coefficient and the noise reduction information audio amplitude is adjusted including：
The audio amplitude is adjusted according to the sub- amplitude regulation coefficient and the noise reduction information.
In a possible embodiment, the sub- amplitude that the amplitude regulation coefficient is divided into preset number adjusts
Coefficient includes：
When detecting that amplitude regulation coefficient meets preparatory condition corresponding to different audio amplitudes, by the amplitude regulation coefficient
The sub- amplitude regulation coefficient of preset number is divided into, the sub- amplitude regulation coefficient is linear or non-according to the amplitude regulation coefficient
Linear partition obtains.
In a possible embodiment, the determination and amplitude regulation coefficient corresponding to the audio amplitude include：
According to amplitude regulation coefficient corresponding to the size determination of the audio amplitude of the audio-frequency information.
In a possible embodiment, the determination and amplitude regulation coefficient corresponding to the audio amplitude include：
Amplitude regulation coefficient corresponding to size determination and the audio amplitude according to the audio amplitude.
In a possible embodiment, the determination and amplitude regulation coefficient corresponding to the audio amplitude include：
Shaken according to corresponding to the size and the information volume determination of terminal device and the audio amplitude of the audio amplitude
Width regulation coefficient, the information volume include volume value information, volume increase information or volume and reduce information.
In a possible embodiment, it is determined that with the audio amplitude corresponding to after amplitude regulation coefficient, also wrap
Include：
The impedance value of device is played according to terminal device and/or the noise figure of local environment enters to the amplitude regulation coefficient
Row adjustment；
Accordingly, the sub- amplitude regulation coefficient that the amplitude regulation coefficient is divided into preset number includes：
Amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number.
Storage medium --- any various types of memory devices or storage device.Term " storage medium " is intended to wrap
Include：Install medium, such as CD-ROM, floppy disk or magnetic tape equipment；Computer system memory or random access memory, such as
DRAM, DDR RAM, SRAM, EDO RAM, blue Bath (Rambus) RAM etc.；Nonvolatile memory, such as flash memory, magnetizing mediums
(such as hard disk or optical storage)；Memory component of register or other similar types etc..Storage medium can also include other
The memory of type or its combination.In addition, storage medium can be located at program in the first computer system being wherein performed,
Or can be located in different second computer systems, second computer system is connected to the by network (such as internet)
One computer system.Second computer system can provide programmed instruction and be used to perform to the first computer." storage is situated between term
Matter " can include may reside within diverse location two of (such as in different computer systems by network connection) or
More storage mediums.Storage medium can store the programmed instruction that can be performed by one or more processors and (such as implement
For 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 what any embodiment of the present invention was provided
Associative operation in volume adjusting method.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- 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；It is determined that with the audio amplitude corresponding to amplitude regulation coefficient and noise reduction information, according to the regulation coefficient and the drop Information of making an uproar is adjusted to the audio amplitude.
- 2. according to the method for claim 1, it is characterised in that adjusted in amplitude corresponding to the determination and the audio amplitude After integral coefficient, in addition to：The amplitude regulation coefficient is divided into the sub- amplitude regulation coefficient of preset number；Accordingly, it is described according to the regulation coefficient and the noise reduction information audio amplitude is adjusted including：The audio amplitude is adjusted according to the sub- amplitude regulation coefficient and the noise reduction information.
- 3. according to the method for claim 2, it is characterised in that described that the amplitude regulation coefficient is divided into preset number Sub- amplitude regulation coefficient include：When detecting that amplitude regulation coefficient meets preparatory condition corresponding to different audio amplitudes, the amplitude regulation coefficient is divided For the sub- amplitude regulation coefficient of preset number, the sub- amplitude regulation coefficient according to the amplitude regulation coefficient linearly or nonlinearly Division obtains.
- 4. according to the method for claim 3, it is characterised in that amplitude adjustment corresponding to the determination and the audio amplitude Coefficient includes：According to amplitude regulation coefficient corresponding to the size determination of the audio amplitude of the audio-frequency information.
- 5. according to the method for claim 3, it is characterised in that amplitude adjustment corresponding to the determination and the audio amplitude Coefficient includes：Amplitude regulation coefficient corresponding to the determination of peak swing and mean amplitude of tide and the audio amplitude according to the audio-frequency information.
- 6. according to the method for claim 3, it is characterised in that amplitude adjustment corresponding to the determination and the audio amplitude Coefficient includes：Information volume according to the peak swing of the audio-frequency information, mean amplitude of tide and terminal device determines and the audio amplitude Corresponding amplitude regulation coefficient, the information volume include volume value information, volume increase information or volume and reduce information.
- 7. according to the method any one of claim 1-6, it is characterised in that it is determined that with the audio amplitude corresponding to After amplitude regulation coefficient, in addition to：The noise figure of the impedance value and/or the environment that play device according to terminal device is adjusted to the amplitude regulation coefficient It is whole；Accordingly, the sub- amplitude regulation coefficient that the amplitude regulation coefficient is divided into preset number includes：Amplitude regulation coefficient after adjustment is divided into the sub- amplitude regulation coefficient of preset number.
- 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；Information determination module is adjusted, for amplitude regulation coefficient and noise reduction information corresponding to determination and the audio amplitude；Adjustment module, for being adjusted according to the regulation coefficient and the noise reduction information to the audio amplitude.
- 9. a kind of mobile terminal, 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.
- A kind of 10. storage medium for including mobile terminal executable instruction, it is characterised in that the mobile terminal executable instruction When being performed as mobile terminal processor for performing the volume adjusting method as any one of claim 1-7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710711588.5A CN107465824B (en) | 2017-08-18 | 2017-08-18 | Volume adjusting method and device, mobile terminal and storage medium |
| PCT/CN2018/098656 WO2019033943A1 (en) | 2017-08-18 | 2018-08-03 | Volume adjusting method and device, mobile terminal and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710711588.5A CN107465824B (en) | 2017-08-18 | 2017-08-18 | Volume adjusting method and device, mobile terminal and storage medium |
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| WO2019033943A1 (en) | 2019-02-21 |
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