CN106878866A - Acoustic signal processing method, device and terminal - Google Patents
Acoustic signal processing method, device and terminal Download PDFInfo
- Publication number
- CN106878866A CN106878866A CN201710124912.3A CN201710124912A CN106878866A CN 106878866 A CN106878866 A CN 106878866A CN 201710124912 A CN201710124912 A CN 201710124912A CN 106878866 A CN106878866 A CN 106878866A
- Authority
- CN
- China
- Prior art keywords
- sound
- audio signal
- audio
- frequency
- sound effect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 29
- 230000005236 sound signal Effects 0.000 claims abstract description 194
- 230000000694 effects Effects 0.000 claims abstract description 122
- 238000004458 analytical method Methods 0.000 claims abstract description 37
- 238000011282 treatment Methods 0.000 claims description 19
- 238000000605 extraction Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 239000000203 mixture Substances 0.000 description 12
- 238000003860 storage Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 235000013399 edible fruits Nutrition 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003733 optic disk Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The present invention proposes a kind of acoustic signal processing method, device and terminal, wherein, method includes：The audio signal that collection sound play device is played, according to the sound effect of audio signal analysis sound play device, the processing parameter of the audio-frequency signal processing module in terminal is adjusted according to sound effect, is modified with to the sound effect.In the present embodiment, the sound effect that can be played back according to loudspeaker or receiver, then the processing parameter inside adjust automatically audio processing modules, can cause that each source of sound has corresponding optimal processing parameter, can thus cause that loudspeaker or receiver play back the effect of sound all in optimum state when any source of sound is played.
Description
Technical field
The present invention relates to field of terminal technology, more particularly to a kind of acoustic signal processing method, device and terminal.
Background technology
At present, how measured signal source is debugged come the audio playing module to mobile terminal, when debugging out reason
After the sound effect thought, using the processing parameter of the corresponding audio playing module of the preferable sound effect as mobile terminal fixation
Processing parameter.
When mobile terminal plays audio every time, mobile terminal is all based on the fixing process parameter, come what is sent to source of sound
Audio is adjusted, so that the audio frequency effect for playing out is preferable.But, in practical application, the source of sound of usual mobile terminal playing
It is very random, some sources of sound are widely different with the signal source of standard, mobile terminal is right still according to above-mentioned fixing process parameter
The audio that the source of sound sends is processed, and the sound effect resulted in after playing can be poor.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the invention is to propose a kind of acoustic signal processing method, to realize that dynamic adjustment is moved
The processing parameter of the audio-frequency signal processing module of dynamic terminal, for solving in the prior art when source of sound differs greatly based on fixation
Sound effect is poor after there is broadcasting during processing parameter treatment audio.
Second object of the present invention is to propose audio signal processor.
Third object of the present invention is to propose a kind of terminal.
It is that, up to above-mentioned purpose, first aspect present invention embodiment proposes a kind of acoustic signal processing method, including：
The audio signal that collection sound play device is played；
The sound effect of sound play device according to the audio signal analysis；
The processing parameter of the audio-frequency signal processing module in terminal is adjusted according to the sound effect, is imitated with to the sound
Fruit is modified.
The acoustic signal processing method of the embodiment of the present invention, the sound that can be played back according to loudspeaker or receiver
Audio really, the then processing parameter inside adjust automatically audio processing modules, can cause each source of sound have it is corresponding most
Excellent processing parameter, can thus cause that loudspeaker or receiver play back sound when any source of sound is played
Effect is all in optimum state.
In addition, the acoustic signal processing method of the embodiment of the present invention, also with following additional technical characteristic：
In one embodiment of the invention, the sound of the sound play device according to the audio signal analysis
Effect, including：
Fast Fourier Transform (FFT) is carried out to the audio signal, the sound spectrograph of the audio signal is obtained；
The radio-frequency component and low-frequency component of the audio signal are extracted from the sound spectrograph；
If the radio-frequency component is unbalance with the low-frequency component, it is determined that the sound effect loses for the low-and high-frequency of sound
Weighing apparatus.
In one embodiment of the invention, the Audio Signal Processing mould adjusted according to the sound effect in terminal
The processing parameter of block, is modified with to the sound effect, including：
The filter parameter of digital filter in the audio-frequency signal processing module is adjusted, so that the sound of follow-up play
The entrained radio-frequency component and the low-frequency component are at equilibrium in frequency signal.
In one embodiment of the invention, the sound of the sound play device according to the audio signal analysis
Effect, including：
Obtain the amplitude of the audio signal；
The amplitude is compared with default threshold range；
If the amplitude is not in the threshold range, it is determined that the sound effect is the volume exception of sound.
In one embodiment of the invention, at the audio signal in the sound effect dynamically adjustment terminal
The processing parameter of module is managed, including：
The gain of amplifier in the audio-frequency signal processing module is adjusted, so that the audio signal of follow-up play is shaken
Width is in the threshold range.
In one embodiment of the invention, the Audio Signal Processing mould adjusted according to the sound effect in terminal
The processing parameter of block, after being modified to the sound effect, including：
The audio signal that the audio-frequency signal processing module after based on adjustment is sent to source of sound is processed；
The audio signal after by treatment is played by the sound play device.
In one embodiment of the invention, the audio signal that the collection sound play device is played, including：
The audio signal that the sound play device is played is acquired by the microphone in the terminal.
It is that, up to above-mentioned purpose, second aspect present invention embodiment proposes a kind of audio signal processor, including：
Acquisition module, for gathering the audio signal that sound play device is played；
Analysis module, for the sound effect of the sound play device according to the audio signal analysis；
Parameter adjustment module, the treatment ginseng for adjusting the audio-frequency signal processing module in terminal according to the sound effect
Number, is modified with to the sound effect.
The audio signal processor of the embodiment of the present invention, the sound that can be played back according to loudspeaker or receiver
Audio really, the then processing parameter inside adjust automatically audio processing modules, can cause each source of sound have it is corresponding most
Excellent processing parameter, can thus cause that loudspeaker or receiver play back sound when any source of sound is played
Effect is all in optimum state.
In addition, the audio signal processor of the embodiment of the present invention, also with following additional technical characteristic：
In one embodiment of the invention, the analysis module, including：
Converter unit, for carrying out Fast Fourier Transform (FFT) to the audio signal, obtains the language spectrum of the audio signal
Figure；
Extraction unit, radio-frequency component and low-frequency component for extracting the audio signal from the sound spectrograph；
First determining unit, if unbalance with the low-frequency component for the radio-frequency component, it is determined that the sound effect
Fruit is unbalance for the low-and high-frequency of sound.
In one embodiment of the invention, the parameter adjustment module, specifically for adjusting the Audio Signal Processing
The filter parameter of digital filter in module, so that the radio-frequency component entrained in the audio signal of follow-up play
It is at equilibrium with the low-frequency component.
In one embodiment of the invention, the analysis module, including：
Amplitude acquiring unit, the amplitude for obtaining the audio signal；
Comparing unit, for the amplitude to be compared with default threshold range；
Second determining unit, if be not in the threshold range for the amplitude, it is determined that the sound effect
It is the volume exception of sound.
In one embodiment of the invention, the parameter adjustment module, specifically for adjusting the Audio Signal Processing
The gain of amplifier in module, so that the amplitude of the audio signal of follow-up play is in the threshold range.
In one embodiment of the invention, described device also includes：
Processing module, the audio signal sent to source of sound for the audio-frequency signal processing module after based on adjustment is entered
Row treatment；
Playing module, is played for the audio signal after by treatment by the sound play device.
In one embodiment of the invention, the acquisition module, specifically for by the microphone pair in the terminal
The audio signal that the sound play device is played is acquired.
It is that, up to above-mentioned purpose, third aspect present invention embodiment proposes another terminal, including：
Housing and the processor in the housing, memory, microphone and sound play device, wherein, the place
Reason device is corresponding with the executable program code to run by reading the executable program code of storage in the memory
Program, for performing following steps：
The audio signal that collection sound play device is played；
The sound effect of sound play device according to the audio signal analysis；
The processing parameter of the audio-frequency signal processing module in terminal is adjusted according to the sound effect, is imitated with to the sound
Fruit is modified.
The terminal of the embodiment of the present invention, the sound effect that can be played back according to loudspeaker or receiver, then
Processing parameter inside adjust automatically audio processing modules, can cause that there is each source of sound corresponding optimal treatment to join
Number, can thus cause when any source of sound is played, loudspeaker or receiver play back the effect of sound all in
Optimum state.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is a kind of schematic flow sheet of acoustic signal processing method provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another acoustic signal processing method provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another acoustic signal processing method provided in an embodiment of the present invention；
Fig. 4 is a kind of application schematic diagram of acoustic signal processing method provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of audio signal processor provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another audio signal processor provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another audio signal processor provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another audio signal processor provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of terminal provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings acoustic signal processing method, device and the terminal of the embodiment of the present invention described.
Fig. 1 is a kind of schematic flow sheet of acoustic signal processing method provided in an embodiment of the present invention.The embodiment of the present invention
Acoustic signal processing method, can be applied to various devices or terminal device, such as panel computer, notebook computer, PC,
Smart mobile phone etc..As shown in figure 1, the acoustic signal processing method is comprised the following steps：
The audio signal that S101, collection sound play device are played.
User can carry out the broadcasting of voice call, Video chat or audio-video document based on terminal.When terminal is obtained
To after source of sound, the audio signal that source of sound is sent can be obtained, by the audio-frequency signal processing module in terminal, source of sound be sent
Audio signal processed after, it is possible to played out by sound play devices such as receiver or loudspeakers.This implementation
In example, the audio signal that can be played to sound play device is acquired, and for example can gather sound by microphone broadcasts
Put the audio signal that device is played.
S102, the sound effect according to audio signal analysis sound play device.
After the audio signal that sound play device is played is collected, can be analyzed with audio signal, for example, can be with
The features such as frequency and/or amplitude to audio signal are extracted, the feature such as frequency and/or amplitude according to extraction, really
Determine the sound effect of sound play device.Sound effect can include that played out volume up-down frequency is in imbalance state, example
Such as, the sound effect for being played out is ear-piercing whistle, or the sound effect for being played out is dull sound so that user
Cannot not hear the information of sound carrying, or the abnormal such as sound of volume of the sound for being played back is smaller or excessive.
S103, the processing parameter that the audio-frequency signal processing module in terminal is adjusted according to sound effect, with to sound effect
It is modified.
After sound effect is got, the audio-frequency signal processing module in terminal can be adjusted come dynamic according to sound effect
Processing parameter, sound effect is modified using the processing parameter after adjustment then.Wherein, audio-frequency signal processing module
Processing parameter is after being debugged based on standard signal source in initial time, corresponding during the preferable sound effect for being played out
Processing parameter.
For example, sound effect be low-and high-frequency it is unbalance in the case of, if radio-frequency component is more, audio signal can be reduced
The cut-off frequency of digital filter in processing module, reduces the bandwidth of the digital filter, suppress high frequency in audio signal into
Point, i.e., to it is currently played go out the sound effect of the unbalance shape of low-and high-frequency be modified, make the sound effect of follow-up play be height
Low frequency is at equilibrium.
Again for example, in the case that sound effect is volume exception, if volume is larger, Audio Signal Processing can be reduced
Gain in module, makes the signal reduction of the audio signal exported by audio-frequency signal processing module relatively low, to reach suppression sound
The purpose of amount, i.e., to it is currently played go out the abnormal sound effect of volume be modified so that the sound effect of follow-up play
Volume be in normal range (NR) in.
Acoustic signal processing method provided in an embodiment of the present invention, the audio played by gathering sound play device is believed
Number, according to the sound effect of audio signal analysis sound play device, adjusted at the audio signal in terminal according to sound effect
The processing parameter of module is managed, is modified with to sound effect.In the present embodiment, can be broadcast according to loudspeaker or receiver
The sound effect released, the then processing parameter inside adjust automatically audio processing modules, can cause each source of sound have with
Its corresponding optimal processing parameter, can thus cause that loudspeaker or receiver are played when any source of sound is played
Out the effect of sound is all in optimum state.
Fig. 2 is the schematic flow sheet of another acoustic signal processing method provided in an embodiment of the present invention.As shown in Fig. 2
The acoustic signal processing method is comprised the following steps：
The audio signal that S201, collection sound play device are played.
Specifically, the sound such as receiver or loudspeaker can be gathered by the microphone or sound pick up equipment in terminal
The audio signal that sound playing device is played.
S202, Fast Fourier Transform (FFT) is carried out to audio signal, obtain the sound spectrograph of audio signal.
After the audio signal that receiver or loudspeaker are played is collected, feature point can be carried out to audio signal
Analysis, extracts the frequecy characteristic of audio signal from audio signal, can get entrained radio-frequency component in audio signal
And low-frequency component.Specifically, can be using Fast Fourier Transform (FFT) (Fast Fourier Transform, abbreviation FFT) to adopting
The audio signal for collecting carries out spectrum analysis, so as to obtain the sound spectrograph of audio signal.Wherein, the abscissa of sound spectrograph is audio
Time corresponding to signal, the ordinate of sound spectrograph is the frequency component contained by audio signal, and the coordinate point value of sound spectrograph is sound
The energy value of frequency signal.
S203, from sound spectrograph extract audio signal radio-frequency component and low-frequency component.
Specifically, the radio-frequency component and low-frequency component entrained by audio signal can be extracted from sound spectrograph.General feelings
Under condition, high-frequency band is the frequency range of more than 800hz, and the frequency range of low frequency band is 20hz-800hz.Getting audio letter
Number sound spectrograph after, can count more than the energy on 800hz each frequency, get the high frequency entrained by audio signal
Composition, it is possible to further count the energy on 20hz~800hz each frequency, gets low entrained by audio signal
Frequency composition.
If S204, radio-frequency component and low-frequency component are unbalance, it is determined that sound effect is unbalance for the low-and high-frequency of sound.
In practical application, in order to ensure the quality or effect of played sound, often by audio signal medium-high frequency
Ratio between composition and low-frequency component is to be preset as 1:1.When the ratio between radio-frequency component is 1:When 1, audio signal is illustrated
In entrained low-and high-frequency composition it is at equilibrium, the sound effect for playing back is optimal.If radio-frequency component and low frequency into
/ ratio be 1:1, illustrate that the audio signal played for collecting is in low-and high-frequency unbalance.For example, when high frequency into
When dividing more, the sound effect for being played out is then ear-piercing sound, and when low-frequency component is more, the acoustics effect for being played out
Fruit is then dull sound, and user possibly cannot get actual information from sound.
The filter parameter of digital filter in S205, adjustment audio-frequency signal processing module, so that the audio of follow-up play
Entrained radio-frequency component and low-frequency component are at equilibrium in signal.
When the low-and high-frequency composition entrained by audio signal is unbalance, it is necessary to digital filter in audio-frequency signal processing module
Filter parameter be adjusted, cut-off frequency, bandwidth of such as digital filter etc..When high frequency entrained in audio signal
When composition is more, can adjust digital filter with by digital filter come radio-frequency component of decaying.And work as institute in audio signal
When the radio-frequency component of carrying is less, digital filter can be adjusted to lift radio-frequency component by digital filter.Through toning
Entrained low-and high-frequency composition is in balanced shape in the audio signal that can be played subsequently through receiver or loudspeaker after whole
State.
S206, the audio signal sent to source of sound based on the audio-frequency signal processing module after adjustment are processed.
Source of sound constantly sends out audio signal, and the audio signal for being sent needs constantly to enter Audio Signal Processing
Can be just input to after being processed in module in receiver or loudspeaker and played out.Audio signal enters Audio Signal Processing
After module, the audio-frequency signal processing module can be based on the processing parameter after adjustment, at the follow-up audio signal for entering
Reason.Generally, it is characterized in stabilization for the audio signal that same source of sound is sent, based on the audio letter after adjustment
When the audio signal that number processing module is subsequently sent to source of sound is processed, the audio signal after treatment can overcome height substantially
The problem that low frequency is unbalance so that the sound effect for playing back is preferable.
S207, by the audio signal after treatment by sound play device play.
In the present embodiment, after audio-frequency signal processing module is processed the audio signal that source of sound sends, it is possible to will
Audio signal after treatment is played out by receiver or loudspeaker.
In the present embodiment, the audio signal that the sound play device such as collection loudspeaker or receiver is played back, so
The frequecy characteristic of post analysis audio signal, when the low-and high-frequency composition entrained by audio signal is unbalanced, can cause to be played out
Volume up-down frequency it is unbalance, the sound effect played is poor, in order that low-and high-frequency balanced composition, adjust Audio Signal Processing
The filtering parameter of the digital filter in module, can be based on the audio signal that the processing parameter after adjustment sends to follow-up source of sound
Processed, sound effect is preferable during ensureing the audio signal after treatment by loudspeaker or receiver broadcasting, such that it is able to
The sound effect played before overcoming has that low-and high-frequency is unbalance.
Fig. 3 is the schematic flow sheet of another acoustic signal processing method provided in an embodiment of the present invention.As shown in figure 3,
The acoustic signal processing method includes：
The audio signal that S301, collection sound play device are played.
S302, the amplitude for obtaining audio signal.
Specifically, lift the amplitude of the signal intensity of audio signal, i.e. audio signal from audio signal.
S303, amplitude is compared with default threshold range.
If S304, amplitude are not in threshold range, it is determined that sound effect is the volume exception of sound.
In the present embodiment, threshold range can be previously provided with, the threshold range can include upper limit threshold and lower limit threshold
Value.After the amplitude for getting audio signal, the amplitude of the audio signal can be compared with threshold range, if amplitude exceeds
Threshold range, i.e. amplitude are less than lower threshold more than upper limit threshold or amplitude, illustrate that the sound played has volume exception
Problem.
The gain of amplifier in S305, adjustment audio-frequency signal processing module, so that the amplitude of the audio signal of follow-up play
In threshold range.
Specifically, the increasing of amplifier in audio-frequency signal processing module can be adjusted according to the abnormal concrete condition of volume
Benefit.If volume is extremely for sound is smaller, the gain of amplifier in audio-frequency signal processing module is improved, make the sound of follow-up play
The sound of frequency signal becomes big, the amplitude of audio signal is exceeded lower threshold, falls within a threshold range.And if volume is extremely
Sound is larger, then reduce the gain of amplifier in audio-frequency signal processing module, the sound of the audio signal of follow-up play is diminished,
Make the amplitude of audio signal less than upper limit threshold, fall within a threshold range.
S306, the audio signal sent to source of sound based on the audio-frequency signal processing module after adjustment are processed.
S307, by the audio signal after treatment by sound play device play.
Related introduction on S306~S307, reference can be made in above-described embodiment related content record, herein no longer go to live in the household of one's in-laws on getting married
State.
In the present embodiment, the audio signal that the sound play device such as collection loudspeaker or receiver is played back is carried
The amplitude of audio signal is taken, when the amplitude of audio signal is not in default threshold range, played out sound can be caused
Sound volume exception, the sound effect played is poor, when volume is abnormal, can adjust the amplification in audio-frequency signal processing module
The gain of device, is processed the audio signal that follow-up source of sound sends based on the processing parameter after adjustment, after ensureing treatment
Sound effect is preferable when audio signal is played by loudspeaker or receiver, such that it is able to the sound effect played before overcoming
There is a problem of that low-and high-frequency is unbalance.
In practical application, played sound can be determined according to the frequency of the audio signal for being gathered and/or amplitude
Effect.For example, when in frequency and amplitude according to audio signal one judge that sound effect is poor when, it is possible to audio believe
The processing parameter of number processing module.When sound effect is analyzed, the frequency and amplitude of possible audio signal cause sound effect
It is poor, the digital filter of audio-frequency signal processing module and amplifier can be simultaneously adjusted.The implementation that the present invention is provided
Limited not to this in example.
Fig. 4 is a kind of application schematic diagram of acoustic signal processing method provided in an embodiment of the present invention.As shown in figure 4, sound
Source sends audio signal, and audio signal is by the audio-frequency signal processing module that can enter in terminal after decoding, the audio signal
Processing module can be voice signal processing module, or acoustic musical signals processing module, can be according to the difference tool of source of sound
Body is selected.
Wherein, Digital Signal Processing can be integrated in for processing the unit of the audio signal of numeral in audio processing modules
In (Digital Signal Processing, abbreviation DSP) chip.Such as convolution, numeral filter in audio-frequency signal processing module
Ripple device, programmable gain amplifier (Programmable Gain Amplifier, abbreviation PGA) and multistage dynamic compressor
Dsp chip can be integrated in.The audio signal that source of sound sends, can be at audio signal by decoded digital audio and video signals
Convolution, filtering and the treatment of multistage dynamic compression are carried out in reason module, digital-to-analogue conversion is then carried out by D/A converter, then pass through
Overpower amplifier (Power Amplifier, abbreviation PA) is played in being input to loudspeaker.
Further, it is arranged on the microphone near loudspeaker to be acquired the sound that loudspeaker is played, passes through
After PGA amplifies and then carries out analog-to-digital conversion by A/D converter, into dsp chip.Sound effect can be provided with dsp chip
Fruit analysis module, the D sound effect analysis modules can carry out the analysis of sound effect to the audio signal that gathers, then basis
Sound effect adjusts the processing parameter of audio-frequency signal processing module.
For example, FFT unit can be provided with sound effect analysis module, gathered audio is analyzed by FFT unit
The filter parameter of the digital filter in the low-and high-frequency composition of signal, and then adjustment audio-frequency signal processing module.
Again for example, being also provided with Amplitude Comparison unit in sound effect analysis module, by Amplitude Comparison unit point
The wave volume of the gathered audio signal of analysis is with the presence or absence of the amplifier in exception, and then adjustment audio-frequency signal processing module
Gain.
In the present embodiment, the sound effect that can be played back according to loudspeaker or receiver, then adjust automatically
Processing parameter inside audio processing modules, can cause that each source of sound has corresponding optimal processing parameter, thus
Can cause that loudspeaker or receiver play back the effect of sound all in optimum state when any source of sound is played.
Fig. 5 is a kind of structural representation of audio signal processor provided in an embodiment of the present invention.As shown in figure 5, should
Audio signal processor includes：Acquisition module 11, analysis module 12 and parameter adjustment module 13.
Wherein, acquisition module 11, for gathering the audio signal that sound play device is played.
Analysis module 12, for the sound effect of the sound play device according to the audio signal analysis.
Parameter adjustment module 13, the treatment for adjusting the audio-frequency signal processing module in terminal according to the sound effect
Parameter, is modified with to the sound effect.
In the present embodiment, the sound effect that can be played back according to loudspeaker or receiver, then adjust automatically
Processing parameter inside audio processing modules, can cause that each source of sound has corresponding optimal processing parameter, thus
Can cause that loudspeaker or receiver play back the effect of sound all in optimum state when any source of sound is played.
Fig. 6 is the structural representation of another audio signal processor provided in an embodiment of the present invention.As shown in fig. 6,
The audio signal processor includes the acquisition module 11 in above-described embodiment, analysis module 12 and parameter adjustment module 13.
Alternatively, a kind of possible frame mode of analysis module 12 includes：Converter unit 121, extraction unit 122 and
One determining unit 123.
Converter unit 121, for carrying out Fast Fourier Transform (FFT) to the audio signal, obtains the language of the audio signal
Spectrogram.
Extraction unit 122, radio-frequency component and low-frequency component for extracting the audio signal from the sound spectrograph.
First determining unit 123, if unbalance with the low-frequency component for the radio-frequency component, it is determined that the sound
Effect is unbalance for the low-and high-frequency of sound.
Further, parameter adjustment module 13, specifically for digital filter in the adjustment audio-frequency signal processing module
Filter parameter so that at the radio-frequency component entrained in the audio signal of follow-up play and the low-frequency component
In equilibrium state.
In the present embodiment, the audio signal that the sound play device such as collection loudspeaker or receiver is played back, so
The frequecy characteristic of post analysis audio signal, when the low-and high-frequency composition entrained by audio signal is unbalanced, can cause to be played out
Volume up-down frequency it is unbalance, the sound effect played is poor, in order that low-and high-frequency balanced composition, adjust Audio Signal Processing
The filtering parameter of the digital filter in module, can be based on the audio signal that the processing parameter after adjustment sends to follow-up source of sound
Processed, sound effect is preferable during ensureing the audio signal after treatment by loudspeaker or receiver broadcasting, such that it is able to
The sound effect played before overcoming has that low-and high-frequency is unbalance.
Fig. 7 is the structural representation of another audio signal processor provided in an embodiment of the present invention.As shown in fig. 7,
The audio signal processor includes acquisition module 11, analysis module 12 and parameter adjustment module 13 in above-described embodiment.
Alternatively, a kind of possible frame mode of analysis module 12 includes：Amplitude acquiring unit 124, comparing unit 125
With the second determining unit 126.
Amplitude acquiring unit 124, the amplitude for obtaining the audio signal.
Comparing unit 125, for the amplitude to be compared with default threshold range.
Second determining unit 126, if be not in the threshold range for the amplitude, it is determined that the sound effect
Fruit is the volume exception of sound.
Further, parameter adjustment module 13, the increasing specifically for adjusting amplifier in the audio-frequency signal processing module
Benefit, so that the amplitude of the audio signal of follow-up play is in the threshold range.
In the present embodiment, the audio signal that the sound play device such as collection loudspeaker or receiver is played back is carried
The amplitude of audio signal is taken, when the amplitude of audio signal is not in default threshold range, played out sound can be caused
Sound volume exception, the sound effect played is poor, when volume is abnormal, can adjust the amplification in audio-frequency signal processing module
The gain of device, is processed the audio signal that follow-up source of sound sends based on the processing parameter after adjustment, after ensureing treatment
Sound effect is preferable when audio signal is played by loudspeaker or receiver, such that it is able to the sound effect played before overcoming
There is a problem of that low-and high-frequency is unbalance.
The structural representation of Fig. 8 another audio signal processors for the embodiment of the present invention is provided.As shown in fig. 6, should
Audio signal processor includes the acquisition module 11 in above-described embodiment, analysis module 12 and parameter adjustment module 13, also wraps
Include：Processing module 14 and playing module 15.
In practical application, played sound can be determined according to the frequency of the audio signal for being gathered and/or amplitude
Effect.Analysis module 12 can include in the present embodiment：Converter unit 121, extraction unit 122, first in above-described embodiment
Determining unit 123, amplitude acquiring unit 124, the determining unit 126 of comparing unit 125 and second.
The analysis module 12 provided by the present embodiment can realize the frequency and/or amplitude of gathered audio signal,
To determine the purpose of played sound effect.Detailed process can be found in the record of related content in above-described embodiment, herein not
Repeat again.
Processing module 14, for the audio signal that the audio-frequency signal processing module after based on adjustment is sent to source of sound
Processed.
Playing module 15, is played for the audio signal after by treatment by the sound play device.
Further, acquisition module 11, specifically for by the microphone in the terminal to the sound play device
The audio signal played is acquired.
In the present embodiment, the sound effect that can be played back according to loudspeaker or receiver, then adjust automatically
Processing parameter inside audio processing modules, can cause that each source of sound has corresponding optimal processing parameter, thus
Can cause that loudspeaker or receiver play back the effect of sound all in optimum state when any source of sound is played.
Fig. 9 is a kind of structural representation of terminal device provided in an embodiment of the present invention.As shown in figure 5, the terminal device
Including following one or more assemblies：Housing 21 and include processor 211, memory 212, microphone 213 in the housing 21
With loudspeaker 214 or receiver 215.
Wherein, processor 211 is run and executable journey by reading the executable program code stored in memory 212
The corresponding program of sequence code, for performing following steps：
The audio signal that collection sound play device is played；Wherein, sound play device can be loudspeaker 214,
It can be receiver 215.Specifically, can gather loudspeaker 214 by microphone 213 or receiver 215 played
Audio signal.
According to the sound effect of audio signal analysis sound play device.
The processing parameter of the audio-frequency signal processing module in terminal is adjusted according to sound effect, is entered with to the sound effect
Row amendment.
In the present embodiment, the sound effect that can be played back according to loudspeaker or receiver, then adjust automatically
Processing parameter inside audio processing modules, can cause that each source of sound has corresponding optimal processing parameter, thus
Can cause that loudspeaker or receiver play back the effect of sound all in optimum state when any source of sound is played.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes
It is one or more for realizing custom logic function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable
Sequence, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list of the executable instruction for realizing logic function, in may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or with reference to these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
The dress that defeated program is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With the electricity that one or more are connected up
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can thereon print described program or other are suitable
Medium, because optical scanner for example can be carried out by paper or other media, then enters edlin, interpretation or if necessary with it
His suitable method is processed electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In implementation method, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.Such as, if being realized, with another embodiment, following skill well known in the art being used with hardware
Any one of art or their combination are realized：With the logic gates for realizing logic function to data-signal from
Scattered logic circuit, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
The rapid hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is to realize in the form of software function module and as independent production marketing or when using, it is also possible to which storage is in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although having been shown above and retouching
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as to limit of the invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (15)
1. a kind of acoustic signal processing method, it is characterised in that including：
The audio signal that collection sound play device is played；
The sound effect of sound play device according to the audio signal analysis；
Entered with to the sound effect according to the processing parameter that the sound effect adjusts the audio-frequency signal processing module in terminal
Row amendment.
2. the acoustic signal processing method according to the claim 1, it is characterised in that described according to the audio signal
The sound effect of the sound play device is analyzed, including：
Fast Fourier Transform (FFT) is carried out to the audio signal, the sound spectrograph of the audio signal is obtained；
The radio-frequency component and low-frequency component of the audio signal are extracted from the sound spectrograph；
If the radio-frequency component is unbalance with the low-frequency component, it is determined that the sound effect is unbalance for the low-and high-frequency of sound.
3. the acoustic signal processing method according to the claim 2, it is characterised in that described according to the sound effect
The processing parameter of the audio-frequency signal processing module in adjustment terminal, is modified with to the sound effect, including：
The filter parameter of digital filter in the audio-frequency signal processing module is adjusted, so that the audio letter of follow-up play
The entrained radio-frequency component and the low-frequency component are at equilibrium in number.
4. the acoustic signal processing method according to the claim 1, it is characterised in that described according to the audio signal
The sound effect of the sound play device is analyzed, including：
Obtain the amplitude of the audio signal；
The amplitude is compared with default threshold range；
If the amplitude is not in the threshold range, it is determined that the sound effect is the volume exception of sound.
5. the acoustic signal processing method according to the claim 4, it is characterised in that described according to the sound effect
The processing parameter of the audio-frequency signal processing module in adjustment terminal, is modified with to the sound effect, including：
The gain of amplifier in the audio-frequency signal processing module is adjusted, so that at the amplitude of the audio signal of follow-up play
In in the threshold range.
6. the acoustic signal processing method according to the claim 3 or 5, it is characterised in that described according to the sound
The processing parameter of the audio-frequency signal processing module in effect adjustment terminal, after being modified to the sound effect, including：
The audio signal that the audio-frequency signal processing module after based on adjustment is sent to source of sound is processed；
The audio signal after by treatment is played by the sound play device.
7. the acoustic signal processing method according to any one of claim 1-5, it is characterised in that the collection sound
The audio signal that playing device is played, including：
The audio signal that the sound play device is played is acquired by the microphone in the terminal.
8. a kind of audio signal processor, it is characterised in that including：
Acquisition module, for gathering the audio signal that sound play device is played；
Analysis module, for the sound effect of the sound play device according to the audio signal analysis；
Parameter adjustment module, the processing parameter for adjusting the audio-frequency signal processing module in terminal according to the sound effect,
It is modified with to the sound effect.
9. the audio signal processor according to the claim 8, it is characterised in that the analysis module, including：
Converter unit, for carrying out Fast Fourier Transform (FFT) to the audio signal, obtains the sound spectrograph of the audio signal；
Extraction unit, radio-frequency component and low-frequency component for extracting the audio signal from the sound spectrograph；
First determining unit, if unbalance with the low-frequency component for the radio-frequency component, it is determined that the sound effect is
The low-and high-frequency of sound is unbalance.
10. the audio signal processor according to the claim 9, it is characterised in that the parameter adjustment module, tool
Body is used to adjust the filter parameter of digital filter in the audio-frequency signal processing module, so that the audio of follow-up play
The entrained radio-frequency component and the low-frequency component are at equilibrium in signal.
11. audio signal processor according to the claim 10, it is characterised in that the analysis module, including：
Amplitude acquiring unit, the amplitude for obtaining the audio signal；
Comparing unit, for the amplitude to be compared with default threshold range；
Second determining unit, if be not in the threshold range for the amplitude, it is determined that the sound effect is sound
The volume exception of sound.
12. audio signal processor according to the claim 11, it is characterised in that the parameter adjustment module,
Gain specifically for adjusting amplifier in the audio-frequency signal processing module, so that the audio signal of follow-up play is shaken
Width is in the threshold range.
13. audio signal processor according to the claim 10 or 12, it is characterised in that also include：
Processing module, at the audio signal sent to source of sound for the audio-frequency signal processing module after based on adjustment
Reason；
Playing module, is played for the audio signal after by treatment by the sound play device.
14. audio signal processor according to any one of claim 8-12, it is characterised in that the collection mould
Block, specifically for being acquired to the audio signal that the sound play device is played by the microphone in the terminal.
15. a kind of terminals, it is characterised in that including following one or more assemblies：Housing and the treatment in the housing
Device, memory, microphone and sound play device, wherein, the processor is by reading holding of storing in the memory
Line program code runs program corresponding with the executable program code, for performing following steps：
The audio signal that collection sound play device is played；
The sound effect of sound play device according to the audio signal analysis；
The processing parameter of the audio-frequency signal processing module in terminal is adjusted according to the sound effect, is entered with to the sound effect
Row amendment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124912.3A CN106878866B (en) | 2017-03-03 | 2017-03-03 | Audio signal processing method and device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124912.3A CN106878866B (en) | 2017-03-03 | 2017-03-03 | Audio signal processing method and device and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106878866A true CN106878866A (en) | 2017-06-20 |
| CN106878866B CN106878866B (en) | 2020-01-10 |
Family
ID=59169691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710124912.3A Expired - Fee Related CN106878866B (en) | 2017-03-03 | 2017-03-03 | Audio signal processing method and device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106878866B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197101A (en) * | 2017-06-23 | 2017-09-22 | 努比亚技术有限公司 | Audio regulation method, mobile terminal and computer-readable recording medium |
| CN107465824A (en) * | 2017-08-18 | 2017-12-12 | 广东欧珀移动通信有限公司 | volume adjusting method, device, mobile terminal and storage medium |
| CN107479852A (en) * | 2017-08-18 | 2017-12-15 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN107479851A (en) * | 2017-08-18 | 2017-12-15 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN107979702A (en) * | 2017-11-30 | 2018-05-01 | 北京小米移动软件有限公司 | Acoustic signal processing method, device, terminal and storage medium |
| CN107995559A (en) * | 2017-12-26 | 2018-05-04 | 上海展扬通信技术有限公司 | The terminal and method of a kind of audio frequency control |
| CN108510999A (en) * | 2018-02-09 | 2018-09-07 | 杭州默安科技有限公司 | The zero permission terminal device recognition methods based on audio-frequency fingerprint |
| CN108834028A (en) * | 2017-07-14 | 2018-11-16 | 博频（上海）科技股份有限公司 | Audio playing system |
| CN109561222A (en) * | 2017-09-27 | 2019-04-02 | 华为终端（东莞）有限公司 | A kind of method for detecting abnormality and device of voice data |
| CN109831710A (en) * | 2019-02-19 | 2019-05-31 | 泽丰音频技术(深圳)有限公司 | A kind of microphone sound equipment integrated equipment and adjusting method, system |
| CN110349594A (en) * | 2019-07-18 | 2019-10-18 | Oppo广东移动通信有限公司 | Audio-frequency processing method, device, mobile terminal and computer readable storage medium |
| CN111049972A (en) * | 2019-11-20 | 2020-04-21 | 维沃移动通信有限公司 | Audio playing method and terminal equipment |
| WO2020103527A1 (en) * | 2018-11-23 | 2020-05-28 | 北京达佳互联信息技术有限公司 | Loudness adjustment method and apparatus, and electronic device and storage medium |
| CN112130495A (en) * | 2020-09-22 | 2020-12-25 | 湖北大学 | Digital configurable acoustic signal filtering device and filtering method |
| CN113412630A (en) * | 2019-02-14 | 2021-09-17 | Jvc建伍株式会社 | Processing device, processing method, reproduction method, and program |
| CN113643719A (en) * | 2021-08-26 | 2021-11-12 | Oppo广东移动通信有限公司 | Audio signal processing method and device, storage medium and terminal equipment |
| CN113784157A (en) * | 2021-08-31 | 2021-12-10 | 江西创成微电子有限公司 | Live broadcast audio signal processing method and sound card |
| WO2023044608A1 (en) * | 2021-09-22 | 2023-03-30 | 京东方科技集团股份有限公司 | Audio adjustment method, apparatus and device, and storage medium |
| CN117406654A (en) * | 2023-12-15 | 2024-01-16 | 荣耀终端有限公司 | Sound effect processing method and electronic equipment |
| CN117406654B (en) * | 2023-12-15 | 2024-04-16 | 荣耀终端有限公司 | Sound effect processing method and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932970A (en) * | 2005-09-13 | 2007-03-21 | 乐金电子(中国)研究开发中心有限公司 | Method for generating harmonics using fourier transform and apparatus thereof, method for generating harmonics by down-sampling and apparatus thereof and method for enhancing sound and apparatus there |
| CN101577848A (en) * | 2009-03-12 | 2009-11-11 | 北京中星微电子有限公司 | Supper bass boosting method and system |
| US20140064509A1 (en) * | 2012-09-02 | 2014-03-06 | QoSound, Inc. | Computer program product for adaptive audio signal shaping for improved playback in a noisy environment |
| CN106303836A (en) * | 2016-11-15 | 2017-01-04 | 广东小天才科技有限公司 | A kind of method and device regulating played in stereo |
-
2017
- 2017-03-03 CN CN201710124912.3A patent/CN106878866B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932970A (en) * | 2005-09-13 | 2007-03-21 | 乐金电子(中国)研究开发中心有限公司 | Method for generating harmonics using fourier transform and apparatus thereof, method for generating harmonics by down-sampling and apparatus thereof and method for enhancing sound and apparatus there |
| CN101577848A (en) * | 2009-03-12 | 2009-11-11 | 北京中星微电子有限公司 | Supper bass boosting method and system |
| US20140064509A1 (en) * | 2012-09-02 | 2014-03-06 | QoSound, Inc. | Computer program product for adaptive audio signal shaping for improved playback in a noisy environment |
| CN106303836A (en) * | 2016-11-15 | 2017-01-04 | 广东小天才科技有限公司 | A kind of method and device regulating played in stereo |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197101A (en) * | 2017-06-23 | 2017-09-22 | 努比亚技术有限公司 | Audio regulation method, mobile terminal and computer-readable recording medium |
| CN107197101B (en) * | 2017-06-23 | 2020-12-29 | 努比亚技术有限公司 | Audio adjusting method, mobile terminal and computer readable storage medium |
| CN108834028B (en) * | 2017-07-14 | 2021-01-15 | 博频（上海）科技股份有限公司 | Audio playing system |
| CN108834028A (en) * | 2017-07-14 | 2018-11-16 | 博频（上海）科技股份有限公司 | Audio playing system |
| CN107465824A (en) * | 2017-08-18 | 2017-12-12 | 广东欧珀移动通信有限公司 | volume adjusting method, device, mobile terminal and storage medium |
| CN107479852A (en) * | 2017-08-18 | 2017-12-15 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN107479851A (en) * | 2017-08-18 | 2017-12-15 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN107479851B (en) * | 2017-08-18 | 2019-07-16 | Oppo广东移动通信有限公司 | Volume adjusting method, device, terminal device and storage medium |
| WO2019033943A1 (en) * | 2017-08-18 | 2019-02-21 | Oppo广东移动通信有限公司 | Volume adjusting method and device, mobile terminal and storage medium |
| CN109561222A (en) * | 2017-09-27 | 2019-04-02 | 华为终端（东莞）有限公司 | A kind of method for detecting abnormality and device of voice data |
| CN107979702A (en) * | 2017-11-30 | 2018-05-01 | 北京小米移动软件有限公司 | Acoustic signal processing method, device, terminal and storage medium |
| CN107995559A (en) * | 2017-12-26 | 2018-05-04 | 上海展扬通信技术有限公司 | The terminal and method of a kind of audio frequency control |
| CN107995559B (en) * | 2017-12-26 | 2020-12-01 | 上海展扬通信技术有限公司 | Audio control terminal and method |
| CN108510999B (en) * | 2018-02-09 | 2020-07-14 | 杭州默安科技有限公司 | Zero-authority terminal equipment identification method based on audio fingerprints |
| CN108510999A (en) * | 2018-02-09 | 2018-09-07 | 杭州默安科技有限公司 | The zero permission terminal device recognition methods based on audio-frequency fingerprint |
| WO2020103527A1 (en) * | 2018-11-23 | 2020-05-28 | 北京达佳互联信息技术有限公司 | Loudness adjustment method and apparatus, and electronic device and storage medium |
| US11284151B2 (en) | 2018-11-23 | 2022-03-22 | Beijing Dajia Internet Information Technology Co., Ltd. | Loudness adjustment method and apparatus, and electronic device and storage medium |
| CN113412630A (en) * | 2019-02-14 | 2021-09-17 | Jvc建伍株式会社 | Processing device, processing method, reproduction method, and program |
| CN113412630B (en) * | 2019-02-14 | 2024-03-08 | Jvc建伍株式会社 | Processing device, processing method, reproduction method, and program |
| CN109831710A (en) * | 2019-02-19 | 2019-05-31 | 泽丰音频技术(深圳)有限公司 | A kind of microphone sound equipment integrated equipment and adjusting method, system |
| CN110349594A (en) * | 2019-07-18 | 2019-10-18 | Oppo广东移动通信有限公司 | Audio-frequency processing method, device, mobile terminal and computer readable storage medium |
| CN111049972B (en) * | 2019-11-20 | 2021-04-27 | 维沃移动通信有限公司 | Audio playing method and terminal equipment |
| CN111049972A (en) * | 2019-11-20 | 2020-04-21 | 维沃移动通信有限公司 | Audio playing method and terminal equipment |
| CN112130495A (en) * | 2020-09-22 | 2020-12-25 | 湖北大学 | Digital configurable acoustic signal filtering device and filtering method |
| CN113643719A (en) * | 2021-08-26 | 2021-11-12 | Oppo广东移动通信有限公司 | Audio signal processing method and device, storage medium and terminal equipment |
| CN113784157B (en) * | 2021-08-31 | 2023-11-03 | 江西创成微电子有限公司 | Live broadcast audio signal processing method and sound card |
| CN113784157A (en) * | 2021-08-31 | 2021-12-10 | 江西创成微电子有限公司 | Live broadcast audio signal processing method and sound card |
| WO2023044608A1 (en) * | 2021-09-22 | 2023-03-30 | 京东方科技集团股份有限公司 | Audio adjustment method, apparatus and device, and storage medium |
| CN117406654A (en) * | 2023-12-15 | 2024-01-16 | 荣耀终端有限公司 | Sound effect processing method and electronic equipment |
| CN117406654B (en) * | 2023-12-15 | 2024-04-16 | 荣耀终端有限公司 | Sound effect processing method and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106878866B (en) | 2020-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106878866A (en) | Acoustic signal processing method, device and terminal | |
| CN106911996A (en) | The detection method of microphone state, device and terminal device | |
| CN107766030A (en) | Volume adjusting method, device, equipment and computer-readable medium | |
| CN102016994B (en) | An apparatus for processing an audio signal and method thereof | |
| CN103473005A (en) | Method and device for performing sound effect control on played audio frequency | |
| CN103152668A (en) | Adjusting method of output audio and system thereof | |
| CN108305637B (en) | Earphone voice processing method, terminal equipment and storage medium | |
| US20100128882A1 (en) | Audio signal processing device and audio signal processing method | |
| JPWO2008126496A1 (en) | Acoustic processing system, method and mobile phone terminal for electronic equipment | |
| CN110956976B (en) | Echo cancellation method, device and equipment and readable storage medium | |
| CN104581519A (en) | Noise reduction earphone and noise reduction method thereof | |
| CN115691543A (en) | Adaptive equalization method and system for acoustic system | |
| CN115348507A (en) | Impulse noise suppression method, system, readable storage medium and computer equipment | |
| JP2014513320A (en) | Method and apparatus for attenuating dominant frequencies in an audio signal | |
| CN111796790A (en) | Sound effect adjusting method and device, readable storage medium and terminal equipment | |
| CN103618983A (en) | A sound equipment control circuit and a control method thereof | |
| US20110235815A1 (en) | Method and arrangement for audio signal processing | |
| CN109889170B (en) | Audio signal control method and device | |
| CN107750038B (en) | Volume adjusting method, device, equipment and storage medium | |
| US10149047B2 (en) | Multi-aural MMSE analysis techniques for clarifying audio signals | |
| CN113132880B (en) | Impact noise suppression method and system based on dual-microphone architecture | |
| CN115243183A (en) | Audio detection method, device and storage medium | |
| CN105142094B (en) | A kind for the treatment of method and apparatus of audio signal | |
| CN114974301A (en) | Abnormal sound detection method, computer readable storage medium and electronic device | |
| CN111883167A (en) | Sound separation method and device, recording equipment and readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |