CN106887235A - A kind of voice de-noising method and intelligent electronic device - Google Patents
A kind of voice de-noising method and intelligent electronic device Download PDFInfo
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- CN106887235A CN106887235A CN201510947387.6A CN201510947387A CN106887235A CN 106887235 A CN106887235 A CN 106887235A CN 201510947387 A CN201510947387 A CN 201510947387A CN 106887235 A CN106887235 A CN 106887235A
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- noise
- audio signal
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- voice
- signal
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0272—Voice signal separating
Abstract
The present invention relates to smart electronicses field, more particularly to a kind of voice de-noising method and intelligent electronic device.Step S100, multiple band limits are pre-set, correspond to each band limits and set one except noise cancellation signal；Step S200, reception audio signal, obtain the frequency range of audio signal；Step S300, choose corresponding at least one band limits of frequency range, by band limits except noise cancellation signal is merged with audio signal；Step S400, the treatment that abates the noise is carried out after merging, and export except the audio signal after making an uproar.Beneficial effect is：A kind of method of voice reduction noise, can be by setting multiple different frequency ranges, and the noise that multiband is carried out to noise is eliminated, and makes noise eradicating efficacy more preferably, meets practical application, improves customer experience.
Description
Technical field
The present invention relates to smart electronicses field, more particularly to a kind of voice de-noising method and intelligent electronic device.
Background technology
With the increasingly raising of people's quality of life, intelligent robot has more and more entered family and has taken
Business industry, this is not only a hi-tech industry for great application prospect, or intelligent robot is current
One important focus of research, and formed a huge market.
At present, in the market has the intelligent robot that voice interface can be much carried out with people, they or can
Voice interface is carried out with the mankind, or the sound received to mankind's transmission, thus embody its Gao Zhi
The degree of energyization, but because living environment complexity is various, the mankind carry out voice interface with intelligent robot
When, inevitably by the noise transmission in living environment to intelligent robot, cause intelligent robot without
Which is noise to method respectively exactly, and which is voice, and cannot be extracted at needs exactly
The voice of reason, has had a strong impact on the exchange and interdynamic of voice, reduces the experience of user.
In the prior art, the elimination to noise is excessively complicated, and effect on driving birds is not good, while single abates the noise
Mode can produce larger error in actual applications so that except effect of making an uproar is undesirable.
The content of the invention
A kind of voice de-noising method and intelligent electronic device are provided regarding to the issue above.
Specifically technical scheme is：
A kind of method of voice reduction noise, it is adaptable to intelligent electronic device, wherein, including：
Step S100, multiple band limits are pre-set, correspond to each described band limits and set one except making an uproar
Signal；
Step S200, reception audio signal, obtain the frequency range of the audio signal；
Step S300, band limits described in the selection frequency range corresponding at least one, by the frequency range model
It is described except noise cancellation signal is merged with the audio signal in enclosing；
Step S400, the treatment that abates the noise is carried out after the merging, and exported except the audio after making an uproar
Signal.
Preferably, the method for above-mentioned voice reduction noise, wherein, in step S200, audio letter
Number include left channel audio signal and right channel audio signal.
Preferably, the method for above-mentioned voice reduction noise, wherein, in step S300, choose correspondence every
The individual band limits it is described except noise cancellation signal, by audio signal with choose except noise cancellation signal is merged.
Preferably, the method for above-mentioned voice reduction noise, wherein, in step S400, abate the noise place
Reason include elimination merge with audio signal after except noise cancellation signal.
Preferably, the method for above-mentioned voice reduction noise, wherein, in step S400, abate the noise place
Reason is also included to except the audio signal after removal noise cancellation signal carries out repair process；
Preferably, the method for above-mentioned voice reduction noise, wherein, repair process includes that loss is repaired；
Loss reparation is carried out to the loss except the audio signal after making an uproar.
Preferably, the method for above-mentioned voice reduction noise, wherein, repair process is also processed including adjustment；
Treatment is adjusted to the audio gain except out-of-limit part in the audio signal after making an uproar.
Preferably, the method for above-mentioned voice reduction noise, wherein, it is described except noise cancellation signal respectively with L channel
Audio signal and right channel audio signal are merged.
Preferably, also including a kind of intelligent electronic device, wherein, using above-mentioned voice reduction noise
Method.
The beneficial effects of the invention are as follows：A kind of voice de-noising method and intelligent electronic device, can be by setting
Fixed multiple different frequency range, the noise that multiband is carried out to noise is eliminated, and makes noise eradicating efficacy more preferably, full
Foot practical application, improves customer experience.
Brief description of the drawings
Fig. 1 be present pre-ferred embodiments in, a kind of method of voice de-noising method and intelligent electronic device
Main-process stream schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are without work
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the embodiment in the present invention and the spy in embodiment
Levying to be mutually combined.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as of the invention
Limit.
As shown in figure 1,
A kind of method of voice reduction noise, it is adaptable to intelligent electronic device, wherein, including：
Step S100, multiple band limits are pre-set, correspond to each band limits and set one except noise cancellation signal；
Step S200, reception audio signal, obtain the frequency range of audio signal；
Step S300, obtain corresponding at least one band limits of frequency range, by band limits except letter of making an uproar
Number merged with audio signal；
Step S400, the treatment that abates the noise is carried out after merging, and export except the audio signal after making an uproar.
The present invention mainly sets multiple band limits, and setting one to each band limits removes noise cancellation signal,
The frequency range of audio signal is obtained, the frequency range can correspond to a band limits, can also correspond to multiple band limits,
By in corresponding whole channel ranges except noise cancellation signal is merged with the audio signal for obtaining, such as by difference
Merging except the noise of noise cancellation signal channel range corresponding with audio signal for band limits, makes except letter of making an uproar
Number and noise signal offset, reach except making an uproar effect, and carry out the treatment except noise after merging, use
The audio signal after making an uproar is removed to obtain preferable audio signal, and export.
In present pre-ferred embodiments, the method for above-mentioned voice reduction noise, wherein, step S200
In, audio signal include left channel audio signal and right channel audio signal.
In present pre-ferred embodiments, the method for above-mentioned voice reduction noise, wherein, step S300
In, choose correspondence each band limits except noise cancellation signal, by audio signal with selection except noise cancellation signal is carried out
Merge.
By by audio signal with choose except the concrete mode that noise cancellation signal is merged can be by two letter
Number superposition, offset audio signal in noise, reach the effect for abating the noise.
In present pre-ferred embodiments, the method for above-mentioned voice reduction noise, wherein, step S400
In, abate the noise treatment include elimination merge with audio signal after except noise cancellation signal.
It is sound to eliminate by except noise cancellation signal, make to leave after the merging except noise cancellation signal of audio signal and selection
Beneficial signal in frequency signal.
In present pre-ferred embodiments, the method for above-mentioned voice reduction noise, wherein, step S400
In, the treatment that abates the noise also is included to except the audio signal after removal noise cancellation signal carries out repair process；
On the basis of above-mentioned technical proposal, further, the method for above-mentioned voice reduction noise, wherein,
Repair process includes that loss is repaired；
Loss reparation is carried out to the loss except the audio signal after making an uproar.
Audio signal after noise reduction has certain loss in the middle of the process of de-noising, therefore after noise reduction
Audio signal is smoothed.
In present pre-ferred embodiments, the method for above-mentioned voice reduction noise, wherein, repair process is also
Including adjustment treatment；
Treatment is adjusted to the audio gain except out-of-limit part in the audio signal after making an uproar.
It is out-of-limit after audio frequency process in order to prevent, the audio gain of out-of-limit part is carried out by increasing gain also
Appropriate adjustment.
In present pre-ferred embodiments, the method for above-mentioned voice reduction noise, wherein, except noise cancellation signal point
Do not merged with left channel audio signal and right channel audio signal.
The audio signal of L channel and R channel abates the noise through eliminating noise.
In present pre-ferred embodiments, also including a kind of intelligent electronic device, wherein, using above-mentioned
The method of voice reduction noise.
The foregoing is only preferred embodiments of the present invention, not thereby limit embodiments of the present invention and
Protection domain, to those skilled in the art, should can appreciate that all utilization description of the invention
And the equivalent done by diagramatic content and the scheme obtained by obvious change, should include
Within the scope of the present invention.
Claims (9)
1. a kind of method that voice reduces noise, it is adaptable to intelligent electronic device, it is characterised in that including：
Step S100, multiple band limits are pre-set, correspond to each described band limits and set one except making an uproar
Signal；
Step S200, reception audio signal, obtain the frequency range of the audio signal；
Step S300, band limits described in the selection frequency range corresponding at least one, by the frequency range model
It is described except noise cancellation signal is merged with the audio signal in enclosing；
Step S400, the treatment that abates the noise is carried out after the merging, and exported except the audio after making an uproar
Signal.
2. the method that voice as claimed in claim 1 reduces noise, it is characterised in that in step S200,
The audio signal includes left channel audio signal and right channel audio signal.
3. the method that voice as claimed in claim 1 reduces noise, it is characterised in that in step S300,
Selection corresponds to the described except noise cancellation signal of each band limits, by described in the audio signal and selection
Except noise cancellation signal is merged.
4. the method that voice as claimed in claim 1 reduces noise, it is characterised in that in step S400,
Abate the noise treatment include eliminate merge with the audio signal after described in remove noise cancellation signal.
5. the method that voice as claimed in claim 1 reduces noise, it is characterised in that in step S400,
The treatment that abates the noise also includes carrying out repair process to removing the audio signal except after noise cancellation signal.
6. the method that voice as claimed in claim 5 reduces noise, it is characterised in that the repair process bag
Loss is included to repair；
Loss reparation is carried out to the loss except the audio signal after making an uproar.
7. the method that voice as claimed in claim 5 reduces noise, it is characterised in that the repair process is also
Including adjustment treatment；
Treatment is adjusted to the audio gain except out-of-limit part in the audio signal after making an uproar.
8. the method that voice as claimed in claim 2 reduces noise, it is characterised in that described except noise cancellation signal point
Do not merged with the left channel audio signal and the right channel audio signal.
9. a kind of intelligent electronic device, it is characterised in that dropped using the voice of claim any one of 1-9
The method of low noise.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510947387.6A CN106887235A (en) | 2015-12-16 | 2015-12-16 | A kind of voice de-noising method and intelligent electronic device |
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| CN201510947387.6A CN106887235A (en) | 2015-12-16 | 2015-12-16 | A kind of voice de-noising method and intelligent electronic device |
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| CN106887235A true CN106887235A (en) | 2017-06-23 |
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| CN201510947387.6A Pending CN106887235A (en) | 2015-12-16 | 2015-12-16 | A kind of voice de-noising method and intelligent electronic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564948A (en) * | 2018-03-30 | 2018-09-21 | 联想(北京)有限公司 | A kind of audio recognition method and electronic equipment |
| CN111370032A (en) * | 2020-02-20 | 2020-07-03 | 厦门快商通科技股份有限公司 | Voice separation method, system, mobile terminal and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719517A (en) * | 2005-08-04 | 2006-01-11 | 北京中星微电子有限公司 | Dynamic noise eliminating method and digital filter |
| CN101320566A (en) * | 2008-06-30 | 2008-12-10 | 中国人民解放军第四军医大学 | Non-air conduction speech reinforcement method based on multi-band spectrum subtraction |
| CN101552939A (en) * | 2009-05-13 | 2009-10-07 | 吉林大学 | In-vehicle sound quality self-adapting active control system and method |
| CN102097100A (en) * | 2011-01-07 | 2011-06-15 | 蔡镇滨 | Device and method for reducing steady-state noises through adding noises |
-
2015
- 2015-12-16 CN CN201510947387.6A patent/CN106887235A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719517A (en) * | 2005-08-04 | 2006-01-11 | 北京中星微电子有限公司 | Dynamic noise eliminating method and digital filter |
| CN101320566A (en) * | 2008-06-30 | 2008-12-10 | 中国人民解放军第四军医大学 | Non-air conduction speech reinforcement method based on multi-band spectrum subtraction |
| CN101552939A (en) * | 2009-05-13 | 2009-10-07 | 吉林大学 | In-vehicle sound quality self-adapting active control system and method |
| CN102097100A (en) * | 2011-01-07 | 2011-06-15 | 蔡镇滨 | Device and method for reducing steady-state noises through adding noises |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564948A (en) * | 2018-03-30 | 2018-09-21 | 联想(北京)有限公司 | A kind of audio recognition method and electronic equipment |
| CN111370032A (en) * | 2020-02-20 | 2020-07-03 | 厦门快商通科技股份有限公司 | Voice separation method, system, mobile terminal and storage medium |
| CN111370032B (en) * | 2020-02-20 | 2023-02-14 | 厦门快商通科技股份有限公司 | Voice separation method, system, mobile terminal and storage medium |
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Application publication date: 20170623 |