CN109327752A - Bluetooth sound pick-up, mobile unit and automobile - Google Patents
Bluetooth sound pick-up, mobile unit and automobile Download PDFInfo
- Publication number
- CN109327752A CN109327752A CN201811296387.4A CN201811296387A CN109327752A CN 109327752 A CN109327752 A CN 109327752A CN 201811296387 A CN201811296387 A CN 201811296387A CN 109327752 A CN109327752 A CN 109327752A
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- Prior art keywords
- sound pick
- mobile unit
- bluetooth
- vehicle
- spectrum information
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/05—Noise reduction with a separate noise microphone
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Telephone Function (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a kind of bluetooth sound pick-up, mobile unit and automobiles, wherein bluetooth sound pick-up includes speech processor and the microphone array and bluetooth module for connecting speech processor；Noise signal transmission under voice signal and driving environment that microphone array is used to pick up is to speech processor；Speech processor is used to obtain the first spectrum information for eliminating noise signal, and corresponding, elimination noise signal the sound wave by vehicle-mounted loudspeaker the first spectrum information of output, and voice signal is transferred to intelligent terminal by bluetooth module.The present invention helps to handle pickup and active noise reduction under the complex environment of Driving Scene, guarantees that intelligent terminal can effectively collect voice signal, and effect, the precision of intelligent terminal phonetic incepting in the car and identification can be improved.
Description
Technical field
The present invention relates to voice processing technology field, in particular to a kind of bluetooth sound pick-up, mobile unit and automobile.
Background technique
With the development of technology, speech processes are employed for realizing human-computer interaction in a variety of intelligent terminals, especially in apple
In mobile phone and Android mobile phone, by entering speech recognition mode after language-specific wake-up activation mobile phone.
During realization, inventor has found that at least there are the following problems in traditional technology:
In the conventional technology, the speech recognition application of intelligent terminal itself, whether hardware view or software view are big
Part is susceptible to the interference of extraneous environmental noise, and the discrimination that will lead to intelligent terminal speech identifying function reduces even not
It works, anti-interference ability is not strong, and recognition effect is bad.
Summary of the invention
It is an object of the invention to be directed to the deficiency of traditional technology, a kind of bluetooth pickup, mobile unit and vapour are provided
Vehicle.
The embodiment provides a kind of bluetooth sound pick-up, bluetooth sound pick-up includes speech processor and connection
The microphone array and bluetooth module of speech processor；
Microphone array be used for the noise signal transmission under the voice signal and driving environment that will pick up to voice at
Manage device；
Speech processor is used to obtain the first spectrum information for eliminating noise signal, and passes through vehicle-mounted loudspeaker output first
Spectrum information is corresponding, eliminates the sound wave of noise signal, and voice signal is transferred to intelligent terminal by bluetooth module.
Bluetooth sound pick-up is for connecting AUX interface in one of the embodiments,；AUX interface is connected to vehicle-mounted loudspeaker.
Microphone array includes the microphone of at least two connection speech processors in one of the embodiments,.
The first spectrum information is identical and phase with the second spectrum information amplitude of noise signal in one of the embodiments,
The opposite spectrum information in position.
On the other hand, the embodiments of the present invention also provide a kind of mobile units, including the bluetooth being set on mobile unit
Sound pick-up；Bluetooth sound pick-up includes speech processor and the microphone array and bluetooth module for connecting speech processor；
Microphone array be used for the noise signal transmission under the voice signal and driving environment that will pick up to voice at
Manage device；
Speech processor is used to obtain the first spectrum information for eliminating noise signal, and passes through vehicle-mounted loudspeaker output first
Spectrum information is corresponding, eliminates the sound wave of noise signal, and voice signal is transferred to intelligent terminal by bluetooth module.
Mobile unit is vehicle-mounted loudspeaker in one of the embodiments,；Vehicle-mounted loudspeaker is equipped with AUX interface；
Bluetooth sound pick-up is used to connect vehicle-mounted loudspeaker by AUX interface.
Mobile unit is to appoint in automobile data recorder, onboard charger and automatic navigator in one of the embodiments,
It is a kind of.
On the other hand, the embodiment of the invention also provides a kind of automobiles, including bluetooth sound pick-up.
It in one of the embodiments, further include mobile unit；
Bluetooth sound pick-up is set on mobile unit.
Mobile unit is in automobile data recorder, automatic navigator and onboard charger in one of the embodiments,
It is any；Or mobile unit is vehicle-mounted loudspeaker, bluetooth sound pick-up is used to connect vehicle-mounted loudspeaker by AUX interface.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
Bluetooth sound pick-up, mobile unit and automobile of the invention, bluetooth sound pick-up include speech processor and connection
The microphone array and bluetooth module of speech processor pass the noise signal under the voice signal picked up and driving environment
It is defeated by speech processor, speech processor carries out denoising according to collected noise signal, by the noise under driving environment
Signal is eliminated, and effectively to weaken the noise under driving environment, voice signal can be transferred to intelligent terminal by bluetooth module.This hair
It is bright to help to handle pickup and active noise reduction under the complex environment of Driving Scene, guarantee that intelligent terminal can be acquired effectively
To voice signal, effect, the precision of intelligent terminal phonetic incepting in the car and identification can be improved.
Detailed description of the invention
Fig. 1 is the structural block diagram for the bluetooth sound pick-up that one embodiment of the present of invention provides；
Fig. 2 is the specific block diagram for the bluetooth sound pick-up that one embodiment of the present of invention provides；
Fig. 3 is the structural block diagram for the mobile unit that one embodiment of the present of invention provides；
Fig. 4 is the structural block diagram for the automobile that one embodiment of the present of invention provides；
Fig. 5 is the specific block diagram for the automobile that one embodiment of the present of invention provides.
Specific embodiment
Hereinafter, various embodiments of the present invention will be described more fully.The present invention can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no the scope of the present invention is limited to specific reality disclosed herein
The intention of example is applied, but should be all in the spirit and scope for falling into various embodiments of the present invention invention is construed as covering
Adjustment, equivalent and/or optinal plan.
Hereinafter, disclosed in the term " includes " that can be used in various embodiments of the present invention or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in various embodiments of the present invention, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination a possibility that.
In various embodiments of the present invention, statement " at least one of each or/and B " includes the text listed file names with
Any combination or all combinations.For example, statement " include or B include or at least one of " include or/and B " may include A, may include B or
It may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the sequence of element
And/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, first user device
Different user device is indicated with second user device, although the two is all user apparatus.For example, of the invention various not departing from
In the case where the range of embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first yuan
Part.
It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member
Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term " user " used in various embodiments of the present invention can indicate to use the people of electronic device or use electricity
The device (for example, artificial intelligence electronic device) of sub-device.
The term used in various embodiments of the present invention is used only for the purpose of describing specific embodiments and not anticipates
In limitation various embodiments of the present invention.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific term) there is contain identical with the normally understood meaning of various embodiments of the present invention one skilled in the art
Justice.Term (term such as limited in the dictionary generally used) is to be interpreted as having and language in the related technical field
The identical meaning of border meaning and it will be interpreted as having Utopian meaning or meaning too formal, unless in the present invention
Various embodiments in be clearly defined.
Bluetooth sound pick-up, mobile unit and automobile of the invention can be applied to need to carry out remote speech transmission
Or the scene of the scene of short distance voice transfer, especially car steering, due to user's both hands steer direction disk, be not suitable for by
Intelligent terminal, which is picked up, is put into mouth typing voice, therefore maintains a certain distance under normal conditions with intelligent terminal.However, existing
The most intelligent terminal with speech recognition be near field identification, under driving environment, road noise sound, wind noise etc., in addition by
In having a certain distance with intelligent terminal, therefore speech recognition and treatment effect are bad.Especially with intelligence the most universal
Energy mobile phone, the included intelligent recognition voice of smart phone pass through such as apple Siri, Android mobile phone Google Assistance
" hey Siri " or " Hello Google " Activates Phone, and issues phonetic order, can advanced optimize human-computer interaction, special
It is not under the occupied scene of user's both hands.In the scene of car steering, bristled with anger using intelligent sound identification to mobile phone
It enables, such as makes a phone call, hair text information etc. is more and more common.The present invention can eliminate road noise sound and wind under driving environment as a result,
After the noises such as noise, picks up the voice signal of user and intelligent terminal is transferred to by bluetooth module, guarantee that intelligent terminal can
Accurately clearly receive the phonetic order of user.
Fig. 1 is participated in, the present invention provides a kind of bluetooth sound pick-up, bluetooth sound pick-up includes speech processor 110, Yi Jilian
Connect the microphone array 120 and bluetooth module 130 of speech processor 110；
Noise signal transmission under voice signal and driving environment that microphone array 120 is used to pick up is to language
Sound processor 110；
Speech processor 110 is used to obtain the first spectrum information for eliminating noise signal, and is exported by vehicle-mounted loudspeaker
First spectrum information is corresponding, eliminates the sound wave of noise signal, and voice signal is transferred to intelligence by bluetooth module 130
Terminal.
Specifically, intelligent terminal can be smart phone or tablet computer.It can be between bluetooth module and intelligent terminal
But it is not limited by A2DP Bluetooth transmission protocol and carries out signal transmission.
Specifically, the microphone array of bluetooth sound pick-up can pick up the voice signal in far field or near field, and pickup is arrived
Transmitting voice signal to speech processor.Speech processor is eliminated the noise signal under driving environment by active noise reduction.
Specifically, the spectrum information of the noise signal under driving environment lacks regularity, and the spectrum information of voice signal is then more advised
Rule, each voice signal have its corresponding spectrum information.It as a result, can be by having active noise reduction techniques in the prior art
Speech processor such as voice de-noising processor, speech processor can determine whether identification microphone array transmission be voice signal also
It is noise signal, it is rapid according to the spectrum information of the noise information if noise signal then using noise signal as noise sample
The first spectrum information is obtained, which is the phase that speech processor converts according to the spectrum information of noise signal
The spectrum information that position is opposite or opposite in phase amplitude is equal.Further, speech processor drives according to the first spectrum information
Vehicle-mounted loudspeaker issues the corresponding sound wave of the first spectrum information, and then due to the interference effect of wave, the sound of two opposite in phase
Wave mutually meets and get along well cancel out each other in air.Thus when speech processor receives noise signal, it can be according to the first spectrum information
Noise is eliminated by vehicle-mounted loudspeaker.Further, bluetooth sound pick-up can pick up voice signal under relatively quiet environment, lead to
It crosses bluetooth module and is transferred to intelligent terminal.
The bluetooth sound pick-up of the embodiment of the present invention, the microphone array including speech processor and connection speech processor
Column and bluetooth module, by the noise signal transmission under the voice signal picked up and driving environment to speech processor, voice
Processor carries out denoising according to collected noise signal, the noise signal under driving environment is eliminated, effectively to weaken
Noise under driving environment, voice signal can be transferred to intelligent terminal by bluetooth module.The embodiment of the present invention helps driving
It sails and handles pickup and active noise reduction under the complex environment of scene, relatively quiet voice environment is provided and guarantees intelligent terminal energy
It is enough effectively to collect voice signal, improve effect, the precision of intelligent terminal phonetic incepting in the car and identification.
Referring to Fig. 1, in a specific embodiment, bluetooth sound pick-up is for connecting AUX interface；AUX interface is connected to
Vehicle-mounted loudspeaker.
Specifically, AUX interface (Auxiliary) is mounted in the audio input interface on vehicle-mounted loudspeaker, it can be with
It connects the external devices such as bluetooth sound pick-up and plays sound.
The bluetooth sound pick-up of the embodiment of the present invention, speech processor are exported by the AUX interface on vehicle-mounted loudspeaker and are eliminated
The sound wave of noise signal, efficiency of transmission is high and stablizes, and can fast implement active noise reduction, and space where reducing is such as interior to make an uproar
Sound enables bluetooth sound pick-up to pick up voice signal clearly accurately to be transferred to intelligent terminal.
Referring to fig. 2, in a specific embodiment, microphone array includes at least two connection speech processors 210
Microphone 220.
Specifically, microphone can be distributed in around speech processor, for picking up the voice of place space multiple directions,
Especially interior voice signal, and then by the transmitting voice signal picked up to speech processor.
The bluetooth sound pick-up of the embodiment of the present invention, can multi-faceted detection pick up and arrive voice signal, space where can be improved
Speech recognition effect, be provided in particular in interior good voice environment, and promoted and be placed in interior intelligent terminal and receive language
The precision and sensitivity of sound.
As a preferred embodiment, bluetooth sound pick-up further includes audio jack, and bluetooth sound pick-up is connected by audio jack
Connect AUX interface.
Specifically, the audio connector can with but be not limited to the coaxial audio input connector of 3.5mm.
The bluetooth sound pick-up of the embodiment of the present invention can connect AUX interface, the audio that can will be received by audio jack
Interior vehicle audio is input to by AUX interface to play out, it is multiple functional, it is easy to use.
In a specific embodiment, the first spectrum information be with the second spectrum information amplitude of noise signal it is identical and
The spectrum information of opposite in phase.
The bluetooth sound pick-up of the embodiment of the present invention, the first spectrum information are identical as the second spectrum information amplitude of noise signal
And opposite in phase, effectively the noise signal under driving environment can be eliminated, to weaken the noise in place space, facilitate indigo plant
Tooth sound pick-up accurately picks up voice signal, so as to improve the precision of identifying speech of intelligent terminal.
Referring to Fig. 3, in conjunction with Fig. 1, in one embodiment, the present invention also provides a kind of mobile units 30, including are set to
Bluetooth sound pick-up 301 on mobile unit；Bluetooth sound pick-up 301 includes speech processor 110 and connection speech processor
110 microphone array 120 and bluetooth module 130；
Noise signal transmission under voice signal and driving environment that microphone array 120 is used to pick up is to language
Sound processor 110；
Speech processor 110 is used to obtain the first spectrum information for eliminating noise signal, and is exported by vehicle-mounted loudspeaker
First spectrum information is corresponding, eliminates the sound wave of noise signal, and voice signal is transferred to intelligence by bluetooth module 130
Terminal.
Specifically, intelligent terminal can be smart phone or tablet computer.It can be between bluetooth module and intelligent terminal
But it is not limited by A2DP Bluetooth transmission protocol and carries out signal transmission.
Specifically, the microphone array in the bluetooth sound pick-up of mobile unit can pick up the voice letter in far field or near field
Number, and by the transmitting voice signal picked up to speech processor.Speech processor, will be under driving environment by active noise reduction
Noise signal is eliminated.Specifically, the spectrum information of the noise signal under driving environment lacks regular, and the frequency spectrum of voice signal
Information is then more regular, each voice signal has its corresponding spectrum information.It as a result, can be by having master in the prior art
The speech processor such as voice de-noising processor of dynamic noise reduction technology, speech processor can determine whether identification microphone array transmission
It is voice signal or noise signal, if noise signal then using noise signal as noise sample, according to the noise information
Spectrum information obtains rapidly the first spectrum information, which is spectrum information of the speech processor according to noise signal
The equal spectrum information of the opposite in phase or opposite in phase amplitude that conversion obtains.Further, speech processor is according to first
Spectrum information driving vehicle-mounted loudspeaker issues the corresponding sound wave of the first spectrum information, and then due to the interference effect of wave, and two
The sound wave of opposite in phase is mutually met and get along well in air cancels out each other.Thus when speech processor receives noise signal, it can basis
First spectrum information eliminates noise by vehicle-mounted loudspeaker.Further, bluetooth sound pick-up can pick up under relatively quiet environment
Voice signal is taken, intelligent terminal is transferred to by bluetooth module.
The mobile unit of the embodiment of the present invention, including the bluetooth sound pick-up being set on mobile unit, bluetooth sound pick-up packet
It includes speech processor and connects the microphone array and bluetooth module of speech processor, structure is simple, and saves space.This
Inventive embodiments are by the noise signal transmission under the voice signal picked up and driving environment to speech processor, speech processes
Device carries out denoising according to collected noise signal, and the noise signal under driving environment is eliminated, with the driving of effective decrease
Noise under environment, voice signal can be transferred to intelligent terminal by bluetooth module.The mobile unit of the embodiment of the present invention helps
In handling pickup and active noise reduction under the complex environment of Driving Scene, relatively quiet voice environment is provided and guarantees intelligence
Terminal can effectively collect voice signal, improve effect, the precision of intelligent terminal phonetic incepting in the car and identification.
In a specific embodiment, the mobile unit is that vehicle-mounted loudspeaker vehicle-mounted loudspeaker is equipped with AUX interface；
Bluetooth sound pick-up is used to connect vehicle-mounted loudspeaker by AUX interface.
The mobile unit of the embodiment of the present invention, bluetooth sound pick-up can be set on vehicle-mounted loudspeaker, can be directly by vehicle-mounted
AUX interface on loudspeaker exports the sound wave for eliminating noise signal, multiple functional, easy to use and save additional route
Connection.Meanwhile, it is capable to effectively improve the accuracy of transmission of speech signals to intelligent terminal.
In a specific embodiment, mobile unit is in automobile data recorder, onboard charger and automatic navigator
It is any.
The mobile unit of the embodiment of the present invention, structure is simple, while can eliminate the noise signal under driving environment, provides
Good voice environment, enables intelligent terminal effectively to receive voice signal, and intelligence degree is high.
Fig. 4 is participated in, in conjunction with Fig. 1, in one embodiment, the present invention also provides a kind of vapour 40, including bluetooth sound pick-up
401。
Specifically, bluetooth sound pick-up 401 includes speech processor 110 and the microphone array for connecting speech processor 110
Column 120 and bluetooth module 130；
Noise signal transmission under voice signal and driving environment that microphone array 120 is used to pick up is to language
Sound processor 110；
Speech processor 110 is used to obtain the first spectrum information for eliminating noise signal, and is exported by vehicle-mounted loudspeaker
First spectrum information is corresponding, eliminates the sound wave of noise signal, and voice signal is transferred to intelligence by bluetooth module 130
Terminal.
Specifically, intelligent terminal can be smart phone or tablet computer.It can be between bluetooth module and intelligent terminal
But it is not limited by A2DP Bluetooth transmission protocol and carries out signal transmission.
Specifically, the microphone array of bluetooth sound pick-up can pick up the voice signal in far field or near field, and pickup is arrived
Transmitting voice signal to speech processor.Speech processor is eliminated the noise signal under driving environment by active noise reduction.
Specifically, the spectrum information of the noise signal under driving environment lacks regularity, and the spectrum information of voice signal is then more advised
Rule, each voice signal have its corresponding spectrum information.It as a result, can be by having active noise reduction techniques in the prior art
Speech processor such as voice de-noising processor, speech processor can determine whether identification microphone array transmission be voice signal also
It is noise signal, it is rapid according to the spectrum information of the noise information if noise signal then using noise signal as noise sample
The first spectrum information is obtained, which is the phase that speech processor converts according to the spectrum information of noise signal
The spectrum information that position is opposite or opposite in phase amplitude is equal.Further, speech processor drives according to the first spectrum information
Vehicle-mounted loudspeaker issues the corresponding sound wave of the first spectrum information, and then due to the interference effect of wave, the sound of two opposite in phase
Wave mutually meets and get along well cancel out each other in air.Thus when speech processor receives noise signal, it can be according to the first spectrum information
Noise is eliminated by vehicle-mounted loudspeaker.Further, bluetooth sound pick-up can pick up voice signal under relatively quiet environment, lead to
It crosses bluetooth module and is transferred to intelligent terminal.
The automobile of the embodiment of the present invention, including bluetooth sound pick-up, bluetooth sound pick-up include speech processor and connection
The microphone array and bluetooth module of speech processor pass the noise signal under the voice signal picked up and driving environment
It is defeated by speech processor, speech processor carries out denoising according to collected noise signal, by the noise under driving environment
Signal is eliminated, and effectively to weaken the noise under driving environment, voice signal can be transferred to intelligent terminal by bluetooth module.This hair
Bright embodiment helps to handle pickup and active noise reduction under the complex environment of Driving Scene, provides relatively quiet voice
Conditions warrant intelligent terminal can effectively collect voice signal, improve the effect of intelligent terminal phonetic incepting in the car and identification
Fruit, precision.
It further include mobile unit in a specific embodiment；Bluetooth sound pick-up is set on mobile unit.
Mobile unit and bluetooth sound pick-up can be integrated in one by the automobile of the embodiment of the present invention, save space, while energy
The voice signal in noise signal and collecting vehicle is enough eliminated by mobile unit, and collected transmitting voice signal is given
Intelligent terminal.
In a specific embodiment, mobile unit is in automobile data recorder, automatic navigator and onboard charger
It is any；Or mobile unit is vehicle-mounted loudspeaker, bluetooth sound pick-up is used to connect vehicle-mounted loudspeaker by AUX interface.
Bluetooth sound pick-up can be set on a variety of mobile units, and flexibility is high.Further, as shown in figure 5, mobile unit 50
It can be vehicle-mounted loudspeaker, bluetooth sound pick-up 501 connects vehicle-mounted loudspeaker 550 by AUX interface.
The automobile of the embodiment of the present invention, bluetooth sound pick-up can be set on a variety of mobile units, easy to use to save sky
Between.Further, vehicle-mounted loudspeaker directly can be connected by AUX interface, vehicle-mounted loudspeaker output and noise signal can be passed through
Opposite sound wave builds good voice environment to eliminate noise signal, promotes the phonetic incepting effect of intelligent terminal in the car
Fruit, so that voice signal is effectively conveyed to intelligent terminal.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the superiority and inferiority of implement scene.Disclosed above is only the present invention
Several specific implementation scenes, still, the present invention is not limited to this, and the changes that any person skilled in the art can think of is all
Protection scope of the present invention should be fallen into.
Claims (10)
1. a kind of bluetooth sound pick-up, which is characterized in that the bluetooth sound pick-up includes speech processor and the connection voice
The microphone array and bluetooth module of processor；
Noise signal transmission under voice signal and driving environment that the microphone array is used to pick up gives institute's predicate
Sound processor；
The speech processor is exported for obtaining the first spectrum information for eliminating the noise signal, and by vehicle-mounted loudspeaker
First spectrum information is corresponding, eliminates the sound wave of the noise signal, and the voice signal is passed through the bluetooth
Module transfer is to intelligent terminal.
2. bluetooth sound pick-up according to claim 1, which is characterized in that the bluetooth sound pick-up is for connecting AUX interface；
The AUX interface is connected to the vehicle-mounted loudspeaker.
3. bluetooth sound pick-up according to claim 1, which is characterized in that the microphone array includes at least two connections
The microphone of the speech processor.
4. bluetooth sound pick-up according to claim 1, which is characterized in that first spectrum information is to believe with the noise
Number the second spectrum information amplitude is identical and the spectrum information of opposite in phase.
5. a kind of mobile unit, which is characterized in that including the bluetooth sound pick-up being set on mobile unit；The bluetooth sound pick-up packet
Include the microphone array and bluetooth module of speech processor and the connection speech processor；
Noise signal transmission under voice signal and driving environment that the microphone array is used to pick up gives institute's predicate
Sound processor；
The speech processor is exported for obtaining the first spectrum information for eliminating the noise signal, and by vehicle-mounted loudspeaker
First spectrum information is corresponding, eliminates the sound wave of the noise signal, and the voice signal is passed through the bluetooth
Module transfer is to intelligent terminal.
6. mobile unit according to claim 5, which is characterized in that the mobile unit is the vehicle-mounted loudspeaker；Institute
Vehicle-mounted loudspeaker is stated equipped with AUX interface；
The bluetooth sound pick-up is used to connect the vehicle-mounted loudspeaker by the AUX interface.
7. mobile unit according to claim 5, which is characterized in that the mobile unit is automobile data recorder, vehicle-mounted fills
It is any in electric appliance and automatic navigator.
8. a kind of automobile, which is characterized in that including bluetooth sound pick-up described in Claims 1-4 any one.
9. automobile according to claim 8, which is characterized in that further include mobile unit；
The bluetooth sound pick-up is set on the mobile unit.
10. automobile according to claim 9, which is characterized in that the mobile unit is automobile data recorder, automatic navigator
And any one of onboard charger；Or the mobile unit is vehicle-mounted loudspeaker, the bluetooth sound pick-up is for passing through AUX
Interface connects the vehicle-mounted loudspeaker.
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| CN201811296387.4A CN109327752A (en) | 2018-11-01 | 2018-11-01 | Bluetooth sound pick-up, mobile unit and automobile |
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| CN201811296387.4A CN109327752A (en) | 2018-11-01 | 2018-11-01 | Bluetooth sound pick-up, mobile unit and automobile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477206A (en) * | 2020-04-16 | 2020-07-31 | 北京百度网讯科技有限公司 | Noise reduction method and device for vehicle-mounted environment, electronic equipment and storage medium |
| CN111796790A (en) * | 2019-04-09 | 2020-10-20 | 深圳市冠旭电子股份有限公司 | Sound effect adjusting method and device, readable storage medium and terminal equipment |
| CN112298080A (en) * | 2019-07-26 | 2021-02-02 | 上海博泰悦臻电子设备制造有限公司 | Vehicle control method and system |
| CN113470606A (en) * | 2020-03-30 | 2021-10-01 | 上海擎感智能科技有限公司 | Method, system, medium and device for realizing active noise reduction in vehicle |
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