CN109729463A - The compound audio signal reception device of sound wheat bone wheat of formula interactive voice earphone is worn for neck - Google Patents
The compound audio signal reception device of sound wheat bone wheat of formula interactive voice earphone is worn for neck Download PDFInfo
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Abstract
The present invention provides a kind of compound audio signal reception device of sound wheat bone wheat that formula interactive voice earphone is worn for neck, comprising: sound wheat, bone wheat, control device and executive device.The present invention is handled and is calculated by the audio data that sound wheat acquires with bone wheat difference audio collection mode, noise and noise can effectively be removed, it obtains effective clearly and by the audio data of reinforcement, it improves neck to wear the speech recognition accuracy of formula interactive voice earphone, further improve the accuracy and recording quality of service order, improves the satisfaction of user.
Description
Technical field
The present invention relates to intelligent wearable device technical field, especially a kind of sound wheat that formula interactive voice earphone is worn for neck
The compound audio signal reception device of bone wheat.
Background technique
With the development and continuous improvement of people's living standards of intelligent wearable device, various intelligent wearable devices such as intelligence
Wrist-watch using more more and more universal, intelligent wearable device has become indispensable means of communication in people's life.
Why people can hear sound, be that vibration is transmitted to ear-drum by external ear ear canal because of the vibration in air,
Pass through the auditory nerve for the vibratory drive people that ear-drum is formed.And when the middle external ear of people damages or clogs ear canal with hand, sound
Acoustical vibration can also be transmitted by the skin and bone of people, to drive the auditory nerve of people.
Osteoacusis is a kind of sound conduction mode, passes through the skull of people, temporal bone, osseous labyrinth, the transmitting of inner ear lymph, ear
Snail, auditory nerve, auditory center transmit sound wave, and here it is bone conduction technologies.Osteoacusis is to vibrate skull or temporal bone, obstructed
It crosses external ear and middle ear is transmitted directly in inner ear.Relative to traditional air transmitted side for generating sound wave by Loudspeaker diaphragm
The step of formula, osteoacusis eliminates the transmitting of many sound waves, clearly sound-reducing, and sound wave can be realized in noisy caliber
Her people will not be influenced because of spreading in air.
However, bone conduction technology also has several disadvantages in that the appropriate of (1) bond-conduction sound and contacts the position of bone
Correlation, it is also related with the feature of tissue.Such as: the difference such as age of user, gender, fat or thin can all cause different user to exist
When using same bone conduction earphone, there is different experience, often this different experience is all penalty.(2) it is passed using bone
Waveguide technology is called or send words, and bone conduction device must be close to bone, and Shen Bo directly passes through bone and reaches auditory nerve, wearing side
Formula determines that bone conduction device must oppress bone conduction device height and passes on bone that some absent-mindedness just will affect sound
Keep pouring in the quality passed, however the wearing mode of this height compressing bone makes user's comfort in use, skin
Health is influenced to different extents.(3) bone and tissue generate refreshing Eastcom number the amplitude with frequency selectivity
The audio signal in decaying and delay, high-fidelity or broadband is difficult through bone conduction to auditory nerve, so being based on existing skill
User's majority of art can complain that bone conduction earphone " sound quality " and " timbre " are poor.(4) the problem of osteoacusis leakage sound.Because solid-state is conducted
The characteristic of vibration, most existing bone conduction technologies all can not really solve the problems, such as that osteoacusis leaks sound, this is because the prior art
The skeleton of frequency dependence and the reality of tissue attenuation vibration signal are compensated by big volume, big vibration signal,
That is that this method is equivalent to and drinks poison to quench thirst, and user can complain that leakage sound is serious, or since it is desired that bigger power, osteoacusis are loyal
Sub-volume weight greatly increases, and causes equipment whole excessively heavy.(5) bone conduction earphone is the system of open ears, works as user
It stays in a noisy environment, can't hear the sound transmitted in earphone at all since the opening of bone conduction earphone will lead to user
Sound.
Application No. is the patent applications of 102084668A to disclose the method and system of processing signal, the system comprises:
(a) processor is set as handling and carves the first input signal detected when detecting by the first microphone, existed by second microphone
The second input signal that detection moment detects, and carve the third input signal detected when detecting by the first microphone,
To generate in response to the signal after the correction of the first, second, and third input signal；And (b) communication interface, be set as to
External system provides the signal after correction.This method carries out noise reduction process to sound by convolution function, and it is more accurate to have obtained
Voice signal.But due to being that a few road sound mix, some sound are easy to be mistaken for correct sound and be recorded in track
In, therefore the sound exported is not entirely accurate and clearly.
Application No. is the patent applications of 105721973A to disclose a kind of bone conduction earphone and its audio-frequency processing method, wherein
A kind of bone conduction earphone and its audio playing apparatus based on the bone conduction earphone, the bone conduction earphone include skeleton
With tissue model modeling module and mathematics presetter, Delay computation unit, digital analog converter, analog-digital converter, first
Low-pass filter, the second low-pass filter, audio-frequency amplifier, audio drive amplifiers, at least one first microphone, at least one
A bone conduction vibrator；The skeleton of real-time monitoring different user and the attenuation effect information of tissue are based on the attenuation effect
Information generates a compensation transmission function, is carried out to input audio signal to input audio signal by the compensation transmission function
It is conducted in bone and tissue after digital pre-calibration.The application is to carry out pre- school to the audio of input by the method for compensation
Just, but this method is mainly used for solving the attenuation problem of audio signal, and correct audio can not be told from noise
Data.
Summary of the invention
In order to solve the above technical problems, it the invention proposes by using sound wheat and bone wheat fit system, obtains most
Excellent audio signal exports to obtain optimal audio data again, improves audio quality and accuracy.
The present invention provides a kind of compound audio signal reception device of sound wheat bone wheat that formula interactive voice earphone is worn for neck, comprising: sound wheat,
Bone wheat, control device and executive device；
The sound wheat is arranged in the neck and wears on the earplug of formula interactive voice earphone and/or on host；
The bone wheat is arranged in the neck and wears on the earplug of formula interactive voice earphone and/or on host；
The control device setting is on the host；
The executive device setting is on the earplug and/or on host；
The sound wheat and bone wheat are connect by wired or wireless with the control device；
The control device is connect by flexible cable with the executive device；
The voice of the sound wheat acquisition user and the sound of ambient noise and loudspeaker, are converted into the first audio signal hair
Give the control device；
The bone wheat and human skin or bone-contact, acquire the voice of user, the voice are converted into the second audio
Signal is sent to the control device；
The control device receives first audio signal and second audio signal, obtains third sound by processing
Frequency signal is sent to the executive device.
Preferably, the sound wheat includes the first sound wheat and rising tone wheat；The first sound wheat is disposed therein an ear
Beyond the Great Wall, and it is located on the outside of earplug；The rising tone wheat is set to one end of the host and is located on the inside of the host.
Any of the above-described is preferably, and the bone wheat includes the first bone wheat and the second bone wheat；The first bone wheat is set to
On one of earplug, and contacted with human body auricle；The second bone wheat is set to the middle part of the host, and and human skin
Contact.
Any of the above-described is preferably, and is further included third sound wheat, is set on another earplug, and is located at the earplug
Outside.
Any of the above-described is preferably, and is further included third bone wheat, is set on another earplug, and is connect with human body auricle
Touching.
Any of the above-described is preferably, and the sound wheat and bone wheat are respectively electrodynamic type microphone, Electret Condencer Microphone, piezoelectricity
It is any one or more in formula microphone, electromagnetic microphone, carbon granules formula microphone and semiconductor-type microphone.
Any of the above-described is preferably, and the control device integrates processing unit.
Any of the above-described is preferably, and the processing unit is MTK 6580.
Any of the above-described is preferably, and the executive device includes loudspeaker and/or screen.
Any of the above-described is preferably, and is additionally provided with chromacoder between the control device and the executive device.
Any of the above-described is preferably, and further includes at least one battery pack, the battery pack by flexible cable with it is described
Control device connection.
Any of the above-described is preferably, the control device also integrated operation memory RAM.
Any of the above-described is preferably, the also integrated fuselage memory space ROM or fuselage memory space ROM of the control device
Slot.
Any of the above-described is preferably, and further includes vibrating sensor, the vibrating sensor by flexible cable with it is described
Control device electrical connection.
Any of the above-described is preferably, and the digital signal of the bone wheat includes that the first audio signal and the second audio are believed
Number.
Any of the above-described is preferably, and first audio signal refers to the language using first microphone acquisition user
Message breath.
Any of the above-described is preferably, and second audio signal, which refers to, utilizes second microphone acquisition described first
Ambient sound within the scope of audio signal time of origin.
Any of the above-described is preferably, and the control device further includes following submodule: acoustic characteristic detection sub-module, is used
In to the collected audio signal progress acoustic characteristic detection；Keynote source decision sub-module, for carrying out the judgement of keynote source；
Keynote source compensates submodule, for carrying out the compensation of keynote source；Noise reduction submodule, for eliminating noise.
The present invention is handled and is calculated by the audio data that sound wheat acquires with bone wheat difference audio collection mode, can
Effective removal noise and noise obtain improving neck effectively clearly and by the audio data of reinforcement and wearing the friendship of formula voice
The speech recognition accuracy of mutual earphone further improves the accuracy and recording quality of service order, improves expiring for user
Meaning degree.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1 according to the invention；
Description of symbols in attached drawing:
100 wear the compound audio signal reception device of sound wheat bone wheat of formula interactive voice earphone for neck；
1 earplug；
2 hosts；
10 sound wheats
20 bone wheats；
30 control devices；
40 executive devices；
101 first sound wheats；102 rising tone wheats；103 third sound wheats；
201 first bone wheats；202 second bone wheats；203 third bone wheats；
401 loudspeakers；402 screens；
50 battery packs.
Specific embodiment
The present invention is further elaborated with specific embodiment with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of compound audio signal reception device 100 of sound wheat bone wheat for wearing formula interactive voice earphone for neck, comprising: sound
Wheat 10, bone wheat 20, control device 30 and executive device 40；
The sound wheat 10 is arranged in the neck and wears on the earplug 1 of formula interactive voice earphone and/or on host 2；
The bone wheat 20 is arranged in the neck and wears on the earplug 1 of formula interactive voice earphone and/or on host 2；
The control device 30 is arranged on the host 2；
The setting of executive device 40 is on the earplug 1 and/or on host 2；
The sound wheat 10 and bone wheat 20 are connect by wired or wireless with the control device 30；
The control device 30 is connect by flexible cable with the executive device 40；
The sound wheat 10 acquires the voice of user and the sound of ambient noise and loudspeaker 401, is converted into the first audio
Signal is sent to the control device 30；
The bone wheat 20 and human skin or bone-contact, acquire the voice of user, the voice are converted into the second sound
Frequency signal is sent to the control device 30；
The control device 30 receives first audio signal and second audio signal, obtains third by processing
Audio signal is sent to the executive device 40.
The sound wheat 10 includes the first sound wheat 101 and rising tone wheat 102；The first sound wheat 101 is disposed therein one
On earplug 1, and it is located at 1 outside of earplug；The rising tone wheat 102 is set to one end of the host 2 and is located in the host 2
Side.
The bone wheat 20 includes the first bone wheat 201 and the second bone wheat 202；The first bone wheat 201 is disposed therein one
On earplug 1, and contacted with human body auricle；The second bone wheat 202 is set to the middle part of the host 2, and connects with human skin
Touching.
Further include third sound wheat 103, be set on another earplug 1, and is located at 1 outside of earplug.
Further include third bone wheat 203, is set on another earplug 1, and contacted with human body auricle.
The sound wheat 10 and bone wheat 20 are respectively electrodynamic type microphone, Electret Condencer Microphone, piezoelectric microphone, electromagnetic type
It is any one or more in microphone, carbon granules formula microphone and semiconductor-type microphone.
The control device 30 integrates processing unit.
The processing unit is MTK 6580.
The executive device 40 includes loudspeaker 401 and/or screen 402.
Chromacoder is additionally provided between the control device 30 and the executive device 40.
It further include at least one battery pack 50, the battery pack 50 is connect by flexible cable with the control device 30.
The control device 30 goes back integrated operation memory RAM.
The also integrated fuselage memory space ROM of the control device 30 or fuselage memory space ROM slot.
It further include vibrating sensor, the vibrating sensor is electrically connected by flexible cable with the control device 30.
The audio letter that first audio signal passes through the first sound wheat 101 of acquisition, rising tone wheat 102 and third sound wheat 103
Number, it is obtained by calculation processing, each audio signal is by deleting and being superimposed the first audio signal enhanced.
It can also include the first amplifier, be connect with the control device 30, processing is amplified to the first audio signal.
The audio letter that second audio signal passes through the first bone wheat 201 of acquisition, the second bone wheat 202 and third bone wheat 203
Number, it is obtained by calculation processing, each audio signal is by deleting and being superimposed the second audio signal enhanced.
It can also include the second amplifier, be connect with the control device 30, processing is amplified to the second audio signal.
The third audio signal passes through calculating by the filtering processing to the first audio signal and the second audio signal
It obtains.
It can also include filter, be connect with control device 30, the first audio signal and the second audio signal are filtered
Wave processing.
The control device 30 further includes following submodule: acoustic characteristic detection sub-module, for collected described
Audio signal carries out acoustic characteristic detection；Keynote source decision sub-module, for carrying out the judgement of keynote source；Keynote source compensates submodule
Block, for carrying out the compensation of keynote source；Noise reduction submodule, for eliminating noise.
The step of acoustic characteristic detects is as follows: 1) extracting the audio data that frame length is 20ms, xi(n), it and calculates
Average energy Ei, zero-crossing rate ZCRi, short-term correlation RiCross correlation C in short-termij(k), Wherein,
2) according to the average energy Ei, the zero-crossing rate ZCRi, the short-term correlation RiWith the cross correlation C in short-termij(k) it counts
Calculate the non-mute probability of present frameAnd speech probability
, whereinFor the channel i max (Ei*ZCRi) experience value,For the channel i max { max [Ri(k)]*
max[Cij(k)] experience value }.3) method of the acoustic characteristic detection is also according to the present frame of the channel i
Non-mute probabilityWith the speech probabilityJudge the type of present frame, i.e., whether is noise frame, speech frame, without ring of making an uproar
Border sound frame,Wherein,Be in
The empirical value of correlation judgement, Ambient are without ambient sound frame of making an uproar, and Noise is noise frame, and Speech is speech frame.Sentence in keynote source
Fixed, keynote source decision sub-module 232 is according to present frameNumerical value and determine that result determines the present frame extracted all the way from that
Keynote source as current location frame.Determination method is as follows: 1) when certain is Speech speech frame all the way, and another way is
Ambient without make an uproar ambient sound frame or Noise noise frame when, determine main data path of the road as current location frame；2) when
Certain is Ambient without ambient sound frame of making an uproar all the way, and when another way is Noise noise frame, determine the road as current location frame
Main data path；3) it when two-way is one species frame, determinesMain number of the maximum channel of numerical value as current location frame
According to access.Keynote source compensates, and behind the keynote source for determining current location frame, compensation submodule is right from another way extracted valid data
Keynote source carries out speech components compensation.Speech components compensation method are as follows: 1) using the effective audio data in different channels frequency domain into
The subband weighted superposition of row entire spectrum compensates；2) frequency spectrum duplication operation is carried out using effective low frequency sub-band data correlation characteristics,
Compensate high-frequency sub-band data.Noise is eliminated, and still includes a small amount of noise data, noise reduction submodule in the audio data after compensating
Root tuber obtains noise spectrum characteristics according to the noise frame of main data path speech frame forward-backward correlation, and to speech frame on frequency domain to making an uproar
Audio spectrum ingredient is effectively inhibited, to obtain purer efficient voice data.Output signal is effective what is ultimately generated
Voice data is pushed to terminal device.
Main audio data is imported, the environment stored in memory is transferred and determines data, main audio data and environment are determined
Data are compared, and determine the noisy environment on periphery when main audio inputs.Transfer environmental noise data from memory, and with
Main audio data carries out single frames comparison.Remove audio data identical with environmental noise data in main audio data single frames.It generates
Effectively without the audio data of noise.
For a better understanding of the present invention, the above combination specific embodiments of the present invention are described in detail, but are not
Limitation of the present invention.Any simple modification made to the above embodiment according to the technical essence of the invention, still belongs to
In the range of technical solution of the present invention.In this specification the highlights of each of the examples are it is different from other embodiments it
Locate, the same or similar part cross-reference between each embodiment.For system embodiments, due to itself and method
Embodiment corresponds to substantially, so being described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
Methods and apparatus of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for the method
Merely to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, special unless otherwise
It does not mentionlet alone bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs
Including for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing basis
The recording medium of the program of method of the invention.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of compound audio signal reception device of sound wheat bone wheat for wearing formula interactive voice earphone for neck, comprising: sound wheat, bone wheat, control dress
It sets and executive device；It is characterized in that,
The sound wheat is arranged in the neck and wears on the earplug of formula interactive voice earphone and/or on host；
The bone wheat is arranged in the neck and wears on the earplug of formula interactive voice earphone and/or on host；
The control device setting is on the host；
The executive device setting is on the earplug and/or on host；
The sound wheat and bone wheat are connect by wired or wireless with the control device；
The control device is connect by flexible cable with the executive device；
The voice of the sound wheat acquisition user and the sound of ambient noise and loudspeaker, are converted into the first audio signal and are sent to
The control device；
The bone wheat and human skin or bone-contact, acquire the voice of user, the voice are converted into the second audio signal
It is sent to the control device；
The control device receives first audio signal and second audio signal, obtains third audio letter by processing
Number, it is sent to the executive device.
2. the sound wheat bone wheat compound audio signal reception device according to claim 1 for wearing formula interactive voice earphone for neck, feature
It is, the sound wheat includes the first sound wheat and rising tone wheat；The first sound wheat is disposed therein on an earplug, and is located at ear
Side beyond the Great Wall；The rising tone wheat is set to one end of the host and is located on the inside of the host.
3. the sound wheat bone wheat compound audio signal reception device according to claim 2 for wearing formula interactive voice earphone for neck, feature
It is, the bone wheat includes the first bone wheat and the second bone wheat；The first bone wheat is disposed therein on an earplug, and and human body
Auricle contact；The second bone wheat is set to the middle part of the host, and contacts with human skin.
4. the sound wheat bone wheat compound audio signal reception device according to claim 3 for wearing formula interactive voice earphone for neck, feature
It is, further includes third sound wheat, be set on another earplug, and is located on the outside of the earplug.
5. the sound wheat bone wheat compound audio signal reception device according to claim 4 for wearing formula interactive voice earphone for neck, feature
It is, further includes third bone wheat, be set on another earplug, and contacted with human body auricle.
6. the sound wheat bone wheat compound audio signal reception device according to claim 5 for wearing formula interactive voice earphone for neck, feature
Be, the sound wheat and bone wheat be respectively electrodynamic type microphone, Electret Condencer Microphone, piezoelectric microphone, electromagnetic microphone,
It is any one or more in carbon granules formula microphone and semiconductor-type microphone.
7. the sound wheat bone wheat compound audio signal reception device according to claim 6 for wearing formula interactive voice earphone for neck, feature
It is, the control device integrates processing unit.
8. the sound wheat bone wheat compound audio signal reception device according to claim 7 for wearing formula interactive voice earphone for neck, feature
It is, the processing unit is MTK 6580.
9. the sound wheat bone wheat compound audio signal reception device according to claim 8 for wearing formula interactive voice earphone for neck, feature
It is, the executive device includes loudspeaker and/or screen.
10. the sound wheat bone wheat compound audio signal reception device according to claim 9 for wearing formula interactive voice earphone for neck, feature
It is, further includes at least one battery pack, the battery pack is connect by flexible cable with the control device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110265007A (en) * | 2019-05-11 | 2019-09-20 | 出门问问信息科技有限公司 | Control method, control device and the bluetooth headset of voice assistant system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265007A (en) * | 2019-05-11 | 2019-09-20 | 出门问问信息科技有限公司 | Control method, control device and the bluetooth headset of voice assistant system |
| CN110265007B (en) * | 2019-05-11 | 2020-07-24 | 出门问问信息科技有限公司 | Control method and control device of voice assistant system and Bluetooth headset |
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