CN106385658B - The microphone acoustic property regulation method and intelligent glasses of intelligent glasses - Google Patents
The microphone acoustic property regulation method and intelligent glasses of intelligent glasses Download PDFInfo
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- CN106385658B CN106385658B CN201610809740.9A CN201610809740A CN106385658B CN 106385658 B CN106385658 B CN 106385658B CN 201610809740 A CN201610809740 A CN 201610809740A CN 106385658 B CN106385658 B CN 106385658B
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- 239000011521 glass Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005236 sound signal Effects 0.000 claims abstract description 94
- 230000001755 vocal effect Effects 0.000 claims abstract description 63
- 230000004044 response Effects 0.000 claims abstract description 50
- 230000007613 environmental effect Effects 0.000 claims abstract description 46
- 238000000605 extraction Methods 0.000 claims description 11
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L17/00—Speaker identification or verification techniques
- G10L17/02—Preprocessing operations, e.g. segment selection; Pattern representation or modelling, e.g. based on linear discriminant analysis [LDA] or principal components; Feature selection or extraction
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L17/00—Speaker identification or verification techniques
- G10L17/06—Decision making techniques; Pattern matching strategies
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- Acoustics & Sound (AREA)
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Abstract
The invention discloses the microphone acoustic property regulation methods and intelligent glasses of a kind of intelligent glasses, solve technical problem uncoordinated there are recorded voice when the recording of existing intelligent glasses.Voice signal including receiving microphone acquisition；The classification of vocal print feature identification voice signal based on voice signal；The first balanced device is sent into the environmental sound signal part that belongs to that will identify that, so that the frequency response curve that the first balanced device adjusts environmental sound signal part is consistent with first object frequency response curve；The wearer's sound signal components that belong to that will identify that are sent into the second balanced device, so that the frequency response curve that the second balanced device adjusts wearer's sound signal components is consistent with the second target frequency response curve, it is accomplished that the different characteristics according to wearer's voice signal and environmental sound signal, the Frequency Response for being divided to two balanced devices to adjust wearer's voice signal and environmental sound signal respectively, to reach the technical effect that the recording result of two parts voice signal is more coordinated.
Description
Technical field
The invention belongs to intelligent glasses technical fields, specifically, being to be related to a kind of microphone acoustic of intelligent glasses
It is adjustable method and intelligent glasses.
Background technique
Intelligent glasses have glasses function while being additionally provided the functions such as camera shooting, recording and answered extensively due to it
With.
When having sound-recording function, intelligent glasses need to have the microphone that can be recorded.Microphone is typically mounted on intelligence
On the frame of energy glasses, the voice signal of acquisition is divided into the voice signal of intelligent glasses ambient enviroment and the sound of wearer's sending
Sound signal.
Since intelligent glasses are worn on face, microphone is in collected sound signal, wearer's face nose, face
The presence at equal positions will form the special sound field for being different from environmental sound field so that the sound field characteristic of wearer's voice signal with
The sound field characteristic of environmental sound signal is inconsistent, this sound effect that will lead to recording sounds uncoordinated.
Summary of the invention
This application provides the microphone acoustic property regulation methods and intelligent glasses of a kind of intelligent glasses, solve existing intelligence
The technical problem uncoordinated there are recorded voice when energy glasses recording.
In order to solve the above technical problems, the application is achieved using following technical scheme:
It is proposed a kind of microphone acoustic property regulation method of intelligent glasses, comprising: receive the sound letter of microphone acquisition
Number；Vocal print feature based on the voice signal identifies the classification of the voice signal；What be will identify that belongs to ambient sound message
The first balanced device is sent into number part, so that first balanced device adjusts the frequency response curve and the of the environmental sound signal part
One target frequency response curve is consistent；The wearer's sound signal components that belong to that will identify that are sent into the second balanced device, so that described the
The frequency response curve that two balanced devices adjust wearer's sound signal components is consistent with the second target frequency response curve.
Further, before the voice signal for receiving microphone acquisition, the method also includes: record wearer's sound
Signal；Wearer's vocal print feature is analyzed based on wearer's voice signal and is recorded.
Further, the vocal print feature based on the voice signal identifies the classification of the voice signal, specifically:
The vocal print feature of the voice signal is analyzed based on the voice signal；Judge the voice signal vocal print feature and the pendant
Wearer's vocal print feature whether there is same section；If so, the corresponding sound signal components of same section are classified as wearer's sound
Sound signal part.
Further, after belonging to environmental sound signal part the first balanced device of feeding what be will identify that, the method is also
It include: to adjust the gain for increasing the environmental sound signal part.
Further, the method also includes: save the environmental sound signal part that first balanced device adjusts,
And save wearer's sound signal components that second balanced device is adjusted；And/or by the environmental sound signal portion
Divide and wearer's sound signal components are sent to the terminal connecting with the intelligent glasses.
It proposes a kind of intelligent glasses, including microphone, is used for collected sound signal, further includes: voice signal identification module,
First balanced device and the second balanced device；The voice signal identification module, for receiving the voice signal of the microphone acquisition,
Vocal print feature based on the voice signal identifies the classification of the voice signal；First balanced device, it is described for receiving
What voice signal identification module identified belongs to environmental sound signal part, and the frequency response for adjusting the environmental sound signal part is bent
Line is consistent with first object frequency response curve；Second balanced device is identified for receiving the voice signal identification module
Belong to wearer's sound signal components, adjusts the frequency response curve and the second target frequency response curve of wearer's sound signal components
Unanimously.
Further, the intelligent glasses further include vocal print feature extraction module and the first memory module；The vocal print is special
Extraction module is levied, for receiving the voice signal of the microphone acquisition, analyzes the vocal print feature of the voice signal；Described
One memory module, the vocal print feature of wearer's voice signal for storing the vocal print feature extraction module analysis；Wherein, institute
Wearer's voice signal is stated to be acquired by the microphone.
Further, the voice signal identification module includes vocal print feature contrast module；The vocal print feature compares mould
Block, the vocal print feature of the voice signal for being analyzed based on the vocal print feature extraction module, judges the voice signal
Vocal print feature and wearer's vocal print feature whether there is same section, if so, the voice signal identification module will
Same section is classified as wearer's sound signal components.
Further, first balanced device further includes having gain amplifier；The gain amplifier increases for adjusting
The gain of the environmental sound signal part.
Further, the intelligent glasses further include having the second memory module and/or data transmission module；Described second deposits
Module is stored up, the environmental sound signal part adjusted for saving first balanced device, and save second equilibrium
Wearer's sound signal components that device is adjusted；The data transmission module, for will be stored in second memory module
The environmental sound signal part and wearer's sound signal components be sent to the terminal connecting with the intelligent glasses.
Compared with prior art, the advantages of the application and good effect is: the microphone for the intelligent glasses that the application proposes
Acoustical property adjustments method and intelligent glasses increase voice signal identification function and difference in the intelligent glasses with microphone
The first balanced device and the second balanced device that audio adjusting is carried out for ambient sound and wearer's sound, when microphone collects
After voice signal, wearer's voice signal in voice signal is identified according to vocal print feature by voice signal identification module first
With component environment sound signal components, the audio of environmental sound signal part is then adjusted using the first balanced device, uses second
Balanced device adjusts the audio of wearer's sound signal components, so that the frequency of environmental sound signal part shows curve and first object frequency
It is consistent to ring curve, so that the frequency response curve of wearer's sound signal components is consistent with the second target frequency response curve, here first
Target frequency response curve and the second target frequency response curve be it is pre-set according to actual demand, therefore, by the first balanced device and
Second balanced device adjust wearer's sound signal components and environmental sound signal part respectively with first object frequency response curve and
After second frequency response curve is consistent, that is, reach the audio effect of setting, reaches the technical effect of recording effect coordination, solve existing
Intelligent glasses technical problem uncoordinated there are recorded voice when recording.
After the detailed description of the application embodiment is read in conjunction with the figure, other features and advantages of the application will become more
Add clear.
Detailed description of the invention
Fig. 1 is the flow chart of the microphone acoustic property regulation method for the intelligent glasses that the application proposes；
Fig. 2 is the system framework figure for the intelligent glasses that the application proposes.
Specific embodiment
The specific embodiment of the application is described in more detail with reference to the accompanying drawing.
The sound of intelligent glasses with microphone, recording is made of two parts: the sound and pendant that wearer's mouth issues
The sound of wearer's ambient enviroment.Under normal conditions, wearer's ambient enviroment, especially front, locating sound field can be approximate
As free field, and the presence at the positions such as wearer's face nose, face forms a special sound field, due to wearer's face
Sound field characteristic and ambient enviroment sound field characteristic it is not identical, so the effect for recording wearer's sound and ambient enviroment sound is not
The same.
Its difference form of expression are as follows: when recording wearer's sound, wearer's nose and facial muscles can hinder the biography of sound
It broadcasts, the sound of low frequency part has longer wavelength, and diffracting power is stronger, it is easier to the microphone of intelligent glasses is traveled to,
On the contrary, the sound diffracting power of high frequency section is weak, decay when traveling to microphone more；And when recording ambient enviroment sound, sound
The propagation of sound is substantially interference-free；Therefore, the Frequency Response of wearer's sound and ambient sound is sound that is different, showing
Effect is just uncoordinated, and when the Frequency Response of only the two is similar, the sound effect that intelligent glasses are recorded can just be coordinated.
Based on above-mentioned, the microphone acoustic property regulation method for the intelligent glasses that the application proposes, as shown in Figure 1, including
Following steps:
Step S11: the voice signal of microphone acquisition is received.
The voice signal of microphone acquisition includes wearer's voice signal and/or environmental sound signal；That is, Mike's elegance
The voice signal collected may be individual wearer's voice signal, may be individual environmental sound signal, be also likely to be to wear
The superposed signal of wearer's voice signal and environmental sound signal.
Step S12: the classification of the vocal print feature identification voice signal based on voice signal.
After receiving voice signal, analysis obtains the vocal print feature of voice signal, judges the vocal print feature of voice signal
It whether there is same section with wearer's vocal print feature, if so, the corresponding sound signal components of same section are classified as wearing
Person's sound signal components.
That is, if the vocal print feature of voice signal includes the part coincideing with wearer's vocal print feature, it will be with wearing
The corresponding voice signal of vocal print feature of the identical part of person's vocal print feature is identified as wearer's voice signal, will not be with wearer's sound
The corresponding voice signal of vocal print feature of the identical part of line feature is identified as environmental sound signal.
Therefore, before step S11, one section of wearer's voice signal can be prerecorded, analysis obtains wearer's vocal print
Feature simultaneously records essential characteristic as identification.
Step S13: the first balanced device is sent into the environmental sound signal part that belongs to that will identify that, so that the first balanced device tune
The frequency response curve for saving environmental sound signal part is consistent with first object frequency response curve.
Step S14: the wearer's sound signal components that belong to that will identify that are sent into the second balanced device, so that the second balanced device
The frequency response curve for adjusting wearer's sound signal components is consistent with the second target frequency response curve.
Step S13 and step S14 does not limit implementation sequence in practical applications.
First object frequency response curve and the second target frequency response curve be it is preset according to actual demand, will have difference
The wearer's voice signal and environmental sound signal of Frequency Response are respectively fed to different balanced devices and are adjusted according to respective standard
Section, reaches the audio effect of setting, also just reaches the technical effect of recording effect coordination, when solving the recording of existing intelligent glasses
There are the technical problems that recorded voice is uncoordinated.
During first balanced device and the second balanced device are adjusted, the frequency response curve of target frequency response curve and actual signal
Difference is the part that balanced device needs to debug.
First balanced device is adjusted for environmental sound signal part, since environmental sound signal compares wearer's sound
The volume of signal is smaller, therefore, increases the gain of the environmental sound signal part by adjusting, reaches environmental sound signal part
On the basis of volume and the not lofty effect of wearer's sound signal components volume difference, then frequency response curve is adjusted, sound can be reached
Audio fruit more coordinates more optimized effect.
Second balanced device is adjusted for wearer's sound signal components, according to aforementioned known, wearer's voice signal
Partial character of frequency response is that the gain of high-frequency signal part is less than the gain of low frequency signal part, therefore, the second balanced device
Main adjust is so that low-and high-frequency fractionated gain is similar, and, such sound effect consistent with the second target frequency response curve
Just most coordinate.
After step S14, the environmental sound signal part that the first balanced device is adjusted is saved or keeps in, and save second
Wearer's sound signal components that balanced device is adjusted；In the terminal needs being connect with intelligent glasses with wired or wireless mode
When, terminal can be sent to and used for terminal, the terminal such as wireless interconnected smart phone, the computer etc. with intelligent glasses.
It is above-mentioned, in intelligent glasses, voice signal is identified by vocal print feature, by the collected voice signal of microphone point
From wearer's sound signal components and environmental sound signal part are obtained, adjusted respectively using balanced device for two parts, thus
Realize the technical effect for coordinating the recording result of two parts voice signal more.
Microphone acoustic property regulation method based on intelligent glasses set forth above, the application also propose a kind of Brilliant Eyes
Mirror, as shown in Fig. 2, the intelligent glasses include the microphone 21 for collected sound signal, voice signal identification module 22, first
Balanced device 23 and the second balanced device 24.
Voice signal identification module 22 is used to receive the voice signal of the acquisition of microphone 21, and the vocal print based on voice signal
The classification of feature identification voice signal；First balanced device 23 is used to receive that voice signal identification module 22 to identify belongs to environment
Sound signal components, the frequency response curve for adjusting environmental sound signal part are consistent with first object frequency response curve；Second balanced device
24 belong to wearer's sound signal components for receive that voice signal identification module 22 identifies, adjust wearer's voice signal
Partial frequency response curve is consistent with the second target frequency response curve.
The intelligent glasses further include vocal print feature extraction module 25 and the first memory module 26；Vocal print feature extraction module 25
For receiving the voice signal of the acquisition of microphone 21, the vocal print feature of voice signal is analyzed；First memory module 26 is for storing
The vocal print feature for wearer's voice signal that vocal print feature extraction module 25 is analyzed；Wherein, wearer's voice signal is by microphone
Acquisition is analyzed to obtain the vocal print feature of wearer for vocal print feature extraction module in advance, and is recorded in the first memory module.
Voice signal identification module 22 has specifically included vocal print Characteristic Contrast module 221, for being extracted based on vocal print feature
The vocal print feature for the voice signal that module 25 is analyzed, judges that the vocal print feature of voice signal and wearer's vocal print feature whether there is
Same section, if so, same section is classified as wearer's sound signal components by voice signal identification module.
First balanced device 23 further includes having gain amplifier 231；Gain amplifier 231 increases ambient sound message for adjusting
The gain of number part.
The intelligent glasses further include having the second memory module 27 and/or data transmission module 28；Second memory module 27 is used
In the environmental sound signal part for saving the adjusting of the first balanced device, and save wearer's voice signal that the second balanced device is adjusted
Part；Data transmission module 28, such as WIFI module, bluetooth module etc., the environment for will be stored in the second memory module 27
Sound signal components and wearer's sound signal components are sent in the terminal 31 connecting with intelligent glasses, for terminal 31 processing or
It uses.
The intelligent glasses are accomplished that microphone includes the sound letter of acquisition ambient enviroment and/or wearer's voice signal
Number, wearer's sound signal components and/or environmental sound signal are identified based on obtained wearer's vocal print feature is analyzed in advance
Part, the Frequency Response for adjusting environmental sound signal using the first balanced device is consistent with the characteristic of the first frequency response curve, using the
The Frequency Response that two balanced devices adjust wearer's voice signal is consistent with the Frequency Response of the second target frequency response curve, to reach two
The technical effect that the recording result of partial sound signal is more coordinated.
The working principle and process of specific intelligent glasses are in the microphone acoustic property regulation of above-mentioned intelligent glasses
It is described in detail in method, it will not go into details herein.
It should be noted that the above description is not a limitation of the present invention, the present invention is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the essential scope of the present invention, are also answered
It belongs to the scope of protection of the present invention.
Claims (10)
1. the microphone acoustic property regulation method of intelligent glasses characterized by comprising
Receive the voice signal of microphone acquisition；
Vocal print feature based on the voice signal identifies the classification of the voice signal；
The first balanced device is sent into the environmental sound signal part that belongs to that will identify that, so that first balanced device adjusts the ring
The frequency response curve of border sound signal components is consistent with first object frequency response curve；
The wearer's sound signal components that belong to that will identify that are sent into the second balanced device, so that described in second balanced device adjusting
The frequency response curve of wearer's sound signal components is consistent with the second target frequency response curve.
2. the microphone acoustic property regulation method of intelligent glasses according to claim 1, which is characterized in that receiving wheat
Before the voice signal of gram elegance collection, the method also includes:
Record wearer's voice signal；
Wearer's vocal print feature is analyzed based on wearer's voice signal and is recorded.
3. the microphone acoustic property regulation method of intelligent glasses according to claim 2, which is characterized in that described to be based on
The vocal print feature of the voice signal identifies the classification of the voice signal, specifically:
The vocal print feature of the voice signal is analyzed based on the voice signal；
The vocal print feature and wearer's vocal print feature for judging the voice signal are with the presence or absence of same section；
If so, the corresponding sound signal components of same section are classified as wearer's sound signal components.
4. the microphone acoustic property regulation method of intelligent glasses according to claim 1, which is characterized in that will identify
Out belong to environmental sound signal part be sent into the first balanced device after, the method also includes:
Adjust the gain for increasing the environmental sound signal part.
5. the microphone acoustic property regulation method of intelligent glasses according to claim 1, which is characterized in that the method
Further include:
The environmental sound signal part that first balanced device is adjusted is saved, and saves what second balanced device was adjusted
Wearer's sound signal components；And/or
The environmental sound signal part and wearer's sound signal components be sent to and is connect with the intelligent glasses
Terminal.
6. a kind of intelligent glasses, including microphone are used for collected sound signal, which is characterized in that further include: voice signal identification
Module, the first balanced device and the second balanced device；
The voice signal identification module, for receiving the voice signal of the microphone acquisition, based on the voice signal
Vocal print feature identifies the classification of the voice signal；
First balanced device belongs to environmental sound signal part for receive that the voice signal identification module identifies,
The frequency response curve for adjusting the environmental sound signal part is consistent with first object frequency response curve；
Second balanced device belongs to wearer's voice signal portion for receive that the voice signal identification module identifies
Point, the frequency response curve for adjusting wearer's sound signal components is consistent with the second target frequency response curve.
7. intelligent glasses according to claim 6, which is characterized in that the intelligent glasses further include that vocal print feature extracts mould
Block and the first memory module；
The vocal print feature extraction module analyzes the voice signal for receiving the voice signal of the microphone acquisition
Vocal print feature；
First memory module, it is special for storing the vocal print of wearer's voice signal of the vocal print feature extraction module analysis
Sign；Wherein, wearer's voice signal is acquired before acquiring the voice signal by the microphone.
8. intelligent glasses according to claim 7, which is characterized in that the voice signal identification module includes vocal print feature
Contrast module；
The vocal print feature contrast module, the vocal print of the voice signal for being analyzed based on the vocal print feature extraction module
Feature, the vocal print feature and wearer's vocal print feature for judging the voice signal are with the presence or absence of same section, if so, institute
It states voice signal identification module and same section is classified as wearer's sound signal components.
9. intelligent glasses according to claim 6, which is characterized in that first balanced device further includes having gain amplification
Device；
The gain amplifier, for adjusting the gain for increasing the environmental sound signal part.
10. intelligent glasses according to claim 6, which is characterized in that the intelligent glasses further include having the second storage mould
Block and/or data transmission module；
Second memory module, the environmental sound signal part adjusted for saving first balanced device, Yi Jibao
Deposit wearer's sound signal components that second balanced device is adjusted；
The data transmission module, the environmental sound signal part for will be stored in second memory module and described
Wearer's sound signal components are sent to the terminal connecting with the intelligent glasses.
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| CN103259898A (en) * | 2013-04-18 | 2013-08-21 | 华为终端有限公司 | Self-adaption frequency response adjusting method and terminal |
| CN103873625A (en) * | 2014-03-31 | 2014-06-18 | 深圳市中兴移动通信有限公司 | Method and device for increasing volume of received voice and mobile terminal |
| CN104661153A (en) * | 2014-12-31 | 2015-05-27 | 歌尔声学股份有限公司 | Earphone sound effect compensation method and device as well as earphone |
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| CN105810200A (en) * | 2016-02-04 | 2016-07-27 | 深圳前海勇艺达机器人有限公司 | Man-machine dialogue apparatus and method based on voiceprint identification |
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| US9596534B2 (en) * | 2013-06-11 | 2017-03-14 | Dsp Group Ltd. | Equalization and power control of bone conduction elements |
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|---|---|---|---|---|
| CN103259898A (en) * | 2013-04-18 | 2013-08-21 | 华为终端有限公司 | Self-adaption frequency response adjusting method and terminal |
| CN104780259A (en) * | 2014-01-14 | 2015-07-15 | 深圳富泰宏精密工业有限公司 | Automatic adjustment system and method for call voice quality |
| CN103873625A (en) * | 2014-03-31 | 2014-06-18 | 深圳市中兴移动通信有限公司 | Method and device for increasing volume of received voice and mobile terminal |
| CN104661153A (en) * | 2014-12-31 | 2015-05-27 | 歌尔声学股份有限公司 | Earphone sound effect compensation method and device as well as earphone |
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