CN105976815A - Vehicle voice recognition method and vehicle voice recognition device - Google Patents
Vehicle voice recognition method and vehicle voice recognition device Download PDFInfo
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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
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
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Abstract
A vehicle voice recognition method and a vehicle voice recognition device provided by the invention relate to the technical field of voice recognition. Through the method and the device, a vehicle voice recognition system can serve passengers in addition to the driver. The method comprises the following steps: acquiring voice information received by a voice pickup module configured on each seat in a vehicle, wherein the microphone of each voice pickup module receives the voice information input by a passenger on the corresponding seat; reducing the dimension of the voice information; carrying out signal processing on the dimension-reduced voice information according to the parameter information corresponding to each channel of voice information in the voice information to get a voice signal; and finally, carrying out voice recognition based on the voice signal. The vehicle voice recognition method and the vehicle voice recognition device are applicable to vehicle voice recognition.
Description
Technical field
The present invention relates to technical field of voice recognition, particularly relate to a kind of vehicle-mounted voice recognition methods and device.
Background technology
Along with the development of science and technology, speech recognition technology is more and more ripe, especially knows at vehicle-mounted voice
Other system is used widely.For the pickup module Mike in vehicle-mounted voice identification system, generally
For receive driver or passenger acoustic information, navigate, take phone, automobile control or and vapour
Car the Internet vehicle entertainment system interacts.
At present, the pickup module Mike in existing vehicle-mounted voice identification system is the most only installed on automobile
At ceiling light or A post position, can only serve driver, this single sound pick up equipment and special placement
Position, it is impossible to meet the vehicle-mounted middle control of Future Internet and entertainment systems, make vehicle-mounted voice identification system without
Method serves the passenger beyond driver.
Summary of the invention
Embodiments provide a kind of vehicle-mounted voice recognition methods and device, the most vehicle-mounted in order to solve
The problem that speech recognition system cannot serve the passenger beyond driver.
The problem existed for prior art, embodiments provides a kind of vehicle-mounted voice recognition methods,
Including:
The voice messaging that in acquisition car, on each seat, the pickup module Mike of configuration receives, wherein, each
Pickup module Mike receives the voice messaging of corresponding seat occupant input；
Described voice messaging is carried out noise reduction process；
According to the parameter information that each road voice messaging in described voice messaging is corresponding, after noise reduction process
Voice messaging carries out signal processing and obtains voice signal；
Described voice signal is carried out speech recognition.
Embodiments provide a kind of vehicle-mounted voice identification device, including:
Acquiring unit, the voice letter that on each seat, the pickup module Mike of configuration receives in obtaining car
Breath, wherein, each pickup module Mike receives the voice messaging of corresponding seat occupant input；
Processing unit, for carrying out noise reduction process to described voice messaging；
Described processing unit, is additionally operable to the parameter corresponding according to each road voice messaging in described voice messaging
Information, carries out signal processing to the voice messaging after noise reduction process and obtains voice signal；
Recognition unit, for carrying out speech recognition to described voice signal.
A kind of vehicle-mounted voice recognition methods of embodiment of the present invention offer and device, each in first obtaining car
The voice messaging that on seat, the pickup module Mike of configuration receives, wherein, each pickup module Mike receives
The voice messaging of corresponding seat occupant input；Again described voice messaging is carried out noise reduction process；Then basis
The parameter information that in described voice messaging, each road voice messaging is corresponding, to the voice messaging after noise reduction process
Carry out signal processing and obtain voice signal；Finally described voice signal is carried out speech recognition.With current car
Load speech recognition system only serves driver and compares, and the present invention is by picking up of configuring on each seat in car
Sound module Mike, can obtain the voice messaging of passenger in addition to driver on car and can carry out corresponding
Speech recognition, it is possible to achieve vehicle-mounted voice identification system service passenger beyond driver, can meet
The vehicle-mounted middle control of Future Internet and entertainment systems.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of vehicle-mounted voice recognition methods schematic flow sheet that Fig. 1 provides for the embodiment of the present invention；
The another kind of vehicle-mounted voice recognition methods schematic flow sheet that Fig. 2 provides for the embodiment of the present invention；
A kind of vehicle-mounted voice identification apparatus structure schematic diagram that Fig. 3 provides for the embodiment of the present invention；
The entity structure schematic diagram of a kind of vehicle-mounted voice identification device that Fig. 4 provides for the embodiment of the present invention；
The another kind of vehicle-mounted voice identification apparatus structure schematic diagram that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of vehicle-mounted voice recognition methods, as it is shown in figure 1, described method bag
Include:
101, the voice messaging that in acquisition car, on each seat, the pickup module Mike of configuration receives.
Wherein, each pickup module Mike receives the voice messaging of corresponding seat occupant input, each pickup
The corresponding road voice messaging of the voice messaging that module Mike receives.
Specifically, the typing angle that each pickup module Mike is corresponding can be pre-set, in order to each pick up
Sound module Mike can only receive the voice messaging of corresponding seat occupant input.
102, voice messaging is carried out noise reduction process.
Specifically, can be according to frequency parameter corresponding to voice messaging, by frequency values beyond presetting range
Voice is rejected, and this presetting range can be carried out according to the frequency parameter scope of user's normal voice call
Configuration.
For the embodiment of the present invention, by voice messaging is carried out noise reduction process, can filter out such as switch
The noises such as car door sound, wind are made an uproar, engine sound, tire are made an uproar, and then the accurate of speech recognition can be improved
Property.
103, according to the parameter information that each road voice messaging in voice messaging is corresponding, after noise reduction process
Voice messaging carries out signal processing and obtains voice signal.
Wherein, described parameter information can comprise temporal information corresponding to voice messaging, frequency information and energy
Amount information etc..
For the embodiment of the present invention, voice messaging can exist multi-path voice information, each road voice messaging
Can a corresponding sound source.Such as, voice messaging exists three road voice messagings, respectively a road,
B road, c road, wherein, sound source corresponding to a road is the voice that user a sends, the sound that b road is corresponding
Sound is originated the voice that sends for user b, and sound source corresponding to c road is the voice that user c sends.
Such as, there are three road voice messagings in voice messaging, respectively a road, b road, c road, according to often
The parameter information that one road voice messaging is corresponding, it may be determined that a road voice messaging is that the control that user sends refers to
Making voice, b road and c road is the sound that user chats, and is not control instruction voice, because only that a
Voice duration, speech frequency and voice decibel in the voice messaging of road, these three parameter is respectively at relatively
In the presetting range answered, wherein, for the presetting range that these three parameter is respectively corresponding, can according to
Speech parameter situation when family is normally carried out Voice command configures.Therefore, by the b in voice messaging
Road and c road voice messaging are rejected, and only retain a road voice messaging, and carry out signal processing and obtain language
Tone signal, and then can ensure that and only control instruction voice is carried out speech recognition.
104, voice signal is carried out speech recognition.
For the embodiment of the present invention, after the voice signal after signal processing is carried out speech recognition, permissible
Performing the associative operation corresponding with voice messaging, such as, voice messaging is that instruction obtains the clothes playing song
Business, after the voice signal that this voice messaging is corresponding is carried out speech recognition, provides the user and plays song
Service.
In a kind of vehicle-mounted voice recognition methods that the embodiment of the present invention provides, first acquisition car on each seat
The voice messaging that the pickup module Mike of configuration receives, wherein, each pickup module Mike receives respective seat
The voice messaging of position passenger's input；Again described voice messaging is carried out noise reduction process；Then according to institute's predicate
The parameter information that in message breath, each road voice messaging is corresponding, carries out letter to the voice messaging after noise reduction process
Number process obtains voice signal；Finally described voice signal is carried out speech recognition.With current vehicle-mounted voice
Identification system only serves driver and compares, and the present invention is by the pickup module of configuration on each seat in car
Mike, can obtain the voice messaging of passenger in addition to driver on car and can carry out corresponding voice knowledge
, it is possible to achieve vehicle-mounted voice identification system service passenger beyond driver, can not meet following mutual
Networking vehicle mounted middle control and entertainment systems.
Embodiments provide another kind of vehicle-mounted voice recognition methods, as in figure 2 it is shown, described method
Including:
201, the voice messaging that in acquisition car, on each seat, the pickup module Mike of configuration receives.
Wherein, each pickup module Mike receives the voice messaging of corresponding seat occupant input, each pickup
The corresponding road voice messaging of the voice messaging that module Mike receives.
For the embodiment of the present invention, receive user's input when the pickup module Mike installed in car detects
Voice typing instruction time, trigger vehicle-mounted voice identification device and obtain in car the pickup of configuration on each seat
The voice messaging that module Mike receives.Described voice typing instruction can comprise preset critical word information,
Particular content in this preset critical word information can configure according to the actual requirements, such as, presets and closes
Keyword information is configurable to the key word information of " your good super car ", when user is facing to pickup module
When Mike says the voice messaging of " your good super car ", pickup module Mike detects that to receive user defeated
The voice typing instruction entered, the pickup of configuration on each seat in triggering vehicle-mounted voice identification device acquisition car
The voice messaging that module Mike receives, in order to carry out speech recognition further.
It should be noted that receive, when the pickup module Mike installed in car detects, the language that user inputs
During sound typing instruction, the pickup mould of configuration on each seat in just triggering vehicle-mounted voice identification device obtains car
The voice messaging that group Mike receives, it is to avoid obtain some non-user and be actually needed the voice messaging of operation and carry out
Speech recognition, and avoid for a long time useless voice messaging being carried out related voice identification operation, and then
The wasting of resources can be saved.
202, voice messaging is carried out noise reduction process.
For the embodiment of the present invention, by voice messaging is carried out noise reduction process, can filter out such as switch
The noises such as car door sound, wind are made an uproar, engine sound, tire are made an uproar, and then the accurate of speech recognition can be improved
Property.
203, according to the parameter information that each road voice messaging in voice messaging is corresponding, after noise reduction process
Voice messaging carries out signal processing and obtains voice signal.
Wherein, described parameter information comprises temporal information, energy information and frequency information.Time described
Between information can comprise the duration of voice, described energy information can comprise the decibel value of voice, institute
State the frequency values that can comprise voice in frequency information.
For the embodiment of the present invention, described step 203 specifically may include that according in described voice messaging
Temporal information, energy information and the frequency information that each road voice messaging is corresponding, after noise reduction process
Voice messaging extracts and meets the voice messaging of parameter preset condition, and carry out signal processing and obtain voice letter
Number.Wherein, described parameter preset condition is in voice duration is in preset time range and/or voice decibel
It is in preset energy scope and/or in the range of speech frequency is in predeterminated frequency.Described preset time range,
Preset energy scope and predeterminated frequency scope can be normally carried out voice ginseng during Voice command according to user
Number situation configures.Such as, 3 seconds are configurable to for the preset time range that voice duration is corresponding
Between 5 seconds, 60 decibels to 80 points are configurable to for the preset energy scope that voice decibel is corresponding
Between shellfish, 4000 hertz to 5000 hertz are configurable to for the predeterminated frequency scope that speech frequency is corresponding
Between hereby.
Such as, voice messaging exists three road voice messagings, respectively a road, b road, c road, wherein,
During the voice of a road voice messaging a length of 10 seconds, voice decibel be 10 decibels, speech frequency be 3000 hertz
Hereby；During the voice of b road voice messaging a length of 1 second, voice decibel be 120 decibels, speech frequency be 6000
Hertz；During the voice of c road voice messaging a length of 4 seconds, voice decibel be 70 decibels, speech frequency be 5000
Hertz, three road voice messagings only have the voice duration in the voice messaging of c road, voice decibel, voice frequency
Rate, these three parameter is respectively in corresponding preset range, it may be determined that c road is that user normally enters
The sound sent during row Voice command, therefore, enters a road in voice messaging and b road voice messaging
Row is rejected, and only retains c road voice messaging, and carries out corresponding signal processing and obtain voice signal.
204, voice signal is carried out speech recognition.
205, the seat identification information corresponding with the voice messaging meeting parameter preset condition is obtained.
Wherein, described seat identification information can be number or ID (Identity, the identity number at seat
Code) number etc..
206, the authority information corresponding with seat identification information is determined.
Wherein, the authority information that each seat identification information is corresponding can be joined the most in advance
Putting, such as, the authority of driver be pre-configured with is higher, the authority of revenue passenger is pre-configured with
Relatively low.
207, according to authority information, it is determined whether perform the associative operation after speech recognition.
Such as, the voice messaging meeting parameter preset condition is received by No. 2 pickup module Mikes, obtains
Take No. 2 seat identification information corresponding to pickup module Mike, specially No. 2 seats (revenue passenger seat),
May determine that the Permission Levels corresponding with this seat identification information are low, these Permission Levels can only obtain amusement
The service of function, it is impossible to obtain the service of manipulation automobile.Through speech recognition, identify and believe with this voice
The associative operation that breath is corresponding is the service obtaining manipulation automobile, owing to corresponding Permission Levels are low,
So the associative operation of the service of manipulation automobile can not be performed to obtain.
It should be noted that by obtaining the seat mark corresponding with the voice messaging meeting parameter preset condition
Knowledge information, determines the authority information corresponding with seat identification information, and according to authority information, it is determined whether
Perform the associative operation after speech recognition, it is possible to achieve make vehicle-carried language identification system service in driver
While passenger in addition, vehicle is carried out security control, it is ensured that the normal traveling of vehicle.
Further, described method also includes: when pickup module Mike receives the stopping language of user's input
During sound typing instruction, receive the trigger message that described pickup module Mike sends；According to described trigger message,
Stop obtaining the voice messaging that described pickup module Mike receives.
For the embodiment of the present invention, when there is vacant place in car, it is not necessary to pickup module on this seat
The voice messaging that Mike receives is identified, by stopping obtaining the pickup module Mike of this vacant place configuration
The voice messaging received, can save the wasting of resources.
The another kind of vehicle-mounted voice recognition methods that the embodiment of the present invention provides, first obtains each seat in car
The voice messaging that the pickup module Mike of upper configuration receives, wherein, each pickup module Mike receives correspondence
The voice messaging of seat occupant input；Again described voice messaging is carried out noise reduction process；Then according to described
The parameter information that in voice messaging, each road voice messaging is corresponding, is carried out the voice messaging after noise reduction process
Signal processing obtains voice signal；Finally described voice signal is carried out speech recognition.With current vehicle-mounted language
Sound identification system only serves driver and compares, and the present invention is by the pickup mould of configuration on each seat in car
Group Mike, can obtain the voice messaging of passenger in addition to driver on car and can carry out corresponding voice
Identify, it is possible to achieve vehicle-mounted voice identification system service passenger beyond driver, future can be met
The vehicle-mounted middle control in the Internet and entertainment systems.
Further, as implementing of method described in Fig. 1, embodiments provide a kind of car
Carry speech recognition equipment, as it is shown on figure 3, described device includes: acquiring unit 31, processing unit 32,
Recognition unit 33.
Described acquiring unit 31, may be used for obtaining in car the pickup module Mike of configuration on each seat and connects
The voice messaging received, wherein, each pickup module Mike receives the voice messaging of corresponding seat occupant input.
Described acquiring unit 31 is the main functional modules obtaining voice messaging in this device.
Described processing unit 32, the voice messaging that may be used for obtaining described acquiring unit 31 drops
Make an uproar process.
Described processing unit 32, it is also possible to for corresponding according to each road voice messaging in described voice messaging
Parameter information, the voice messaging after noise reduction process is carried out signal processing and obtains voice signal.Described place
Reason unit 32 is the main functional modules that voice messaging carries out in this device noise reduction process, described process list
Unit 32, by parameters such as speech energy, speech frequency, voice durations, extracts in multi-path voice information effective
Voice messaging and carry out signal processing, obtain the voice signal for speech recognition.
Described recognition unit 33, may be used for described voice signal is carried out speech recognition.Described identification is single
Unit 33 is the main functional modules that the voice signal after processing carries out in this device speech recognition.
It should be noted that each merit involved by a kind of vehicle-mounted voice identification device of embodiment of the present invention offer
Other of energy unit describe accordingly, the corresponding description being referred in Fig. 1, do not repeat them here.This
Bright embodiment can be passed through hardware processor (hardware processor) and realize correlation function mould
Block.
Exemplary, as shown in Figure 4, Fig. 4 shows a kind of vehicle-mounted voice that the embodiment of the present invention provides
Identifying the entity structure schematic diagram of device, this vehicle-mounted voice identification device may include that processor
(processor) 41, communication interface (Communications Interface) 42, memorizer (memory) 43 He
Bus 44, wherein, processor 41, communication interface 42, memorizer 43 are completed mutually by bus 44
Between communication.Communication interface 42 may be used for the information transmission between server and client.Processor
41 can call the logical order in memorizer 43, to perform following method: each in first obtaining car
The voice messaging that on seat, the pickup module Mike of configuration receives, wherein, each pickup module Mike receives
The voice messaging of corresponding seat occupant input；Again described voice messaging is carried out noise reduction process；Then basis
The parameter information that in described voice messaging, each road voice messaging is corresponding, to the voice messaging after noise reduction process
Carry out signal processing and obtain voice signal；Finally described voice signal is carried out speech recognition.On additionally,
Logical order in the memorizer 43 stated can be realized by the form of SFU software functional unit and as independent
Production marketing or use time, can be stored in a computer read/write memory medium.Based on so
Understanding, part that prior art is contributed by technical scheme the most in other words or should
The part of technical scheme can embody with the form of software product, and this computer software product is stored in
In one storage medium, including some instructions with so that a computer equipment (can be individual calculus
Machine, server, or the network equipment etc.) perform the whole or portion of method described in each embodiment of the present invention
Step by step.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic
The various medium that can store program code such as dish or CD.
In a kind of vehicle-mounted voice identification device that the embodiment of the present invention provides, first acquisition car on each seat
The voice messaging that the pickup module Mike of configuration receives, wherein, each pickup module Mike receives respective seat
The voice messaging of position passenger's input；Again described voice messaging is carried out noise reduction process；Then according to institute's predicate
The parameter information that in message breath, each road voice messaging is corresponding, carries out letter to the voice messaging after noise reduction process
Number process obtains voice signal；Finally described voice signal is carried out speech recognition.With current vehicle-mounted voice
Identification system only serves driver and compares, and the present invention is by the pickup module of configuration on each seat in car
Mike, can obtain the voice messaging of passenger in addition to driver on car and can carry out corresponding voice knowledge
, it is possible to achieve vehicle-mounted voice identification system service passenger beyond driver, can not meet following mutual
Networking vehicle mounted middle control and entertainment systems.
Further, as implementing of method described in Fig. 2, another kind is embodiments provided
Vehicle-mounted voice identification device, as it is shown in figure 5, described device includes: acquiring unit 51, processing unit 52,
Recognition unit 53.
Described acquiring unit 51, may be used for obtaining in car the pickup module Mike of configuration on each seat and connects
The voice messaging received, wherein, each pickup module Mike receives the voice messaging of corresponding seat occupant input.
Described acquiring unit 51 is the main functional modules obtaining voice messaging in this device.
Described processing unit 52, the voice messaging that may be used for obtaining described acquiring unit 51 drops
Make an uproar process.
Described processing unit 52, it is also possible to for corresponding according to each road voice messaging in described voice messaging
Parameter information, the voice messaging after noise reduction process is carried out signal processing and obtains voice signal.Described place
Reason unit 52 is the main functional modules that voice messaging carries out in this device noise reduction process, described process list
Unit 52, by parameters such as speech energy, speech frequency, voice durations, extracts in multi-path voice information effective
Voice messaging and carry out signal processing, obtain the voice signal for speech recognition.
Described recognition unit 53, may be used for described voice signal is carried out speech recognition.Described identification is single
Unit 53 is the main functional modules that the voice signal after processing carries out in this device speech recognition.
Alternatively, described parameter information comprises temporal information, energy information and frequency information.
Described processing unit 52, specifically may be used for according to each road voice messaging pair in described voice messaging
Temporal information, energy information and the frequency information answered, extracts symbol the voice messaging after noise reduction process
Close the voice messaging of parameter preset condition, and carry out signal processing and obtain voice signal.
Alternatively, described parameter preset condition can be that voice duration is in preset time range, and/or
In the range of voice decibel is in preset energy scope, and/or speech frequency is in predeterminated frequency.
Further, described device also comprises determining that unit 54.
Described acquiring unit 51, it is also possible to for obtaining and the described voice messaging meeting parameter preset condition
Corresponding seat identification information.
Described determine unit 54, be determined for the authority information corresponding with described seat identification information.
Described determine unit 54, it is also possible to for according to described authority information, it is determined whether perform voice and know
Associative operation after not.
Further, described device also includes: receive unit 55.
Described reception unit 55, may be used for when pickup module Mike receives the stopping voice of user's input
During typing instruction, receive the trigger message that described pickup module Mike sends.
Described acquiring unit 51, it is also possible to for according to described trigger message, stop obtaining described pickup mould
The voice messaging that group Mike receives.
It should be noted that it is each involved by the another kind of vehicle-mounted voice identification device of embodiment of the present invention offer
Other of functional unit describe accordingly, the corresponding description being referred in Fig. 2, do not repeat them here.This
Inventive embodiments can realize related function module by hardware processor.
The another kind of vehicle-mounted voice identification device that the embodiment of the present invention provides, first obtains each seat in car
The voice messaging that the pickup module Mike of upper configuration receives, wherein, each pickup module Mike receives correspondence
The voice messaging of seat occupant input；Again described voice messaging is carried out noise reduction process；Then according to described
The parameter information that in voice messaging, each road voice messaging is corresponding, is carried out the voice messaging after noise reduction process
Signal processing obtains voice signal；Finally described voice signal is carried out speech recognition.With current vehicle-mounted language
Sound identification system only serves driver and compares, and the present invention is by the pickup mould of configuration on each seat in car
Group Mike, can obtain the voice messaging of passenger in addition to driver on car and can carry out corresponding voice
Identify, it is possible to achieve vehicle-mounted voice identification system service passenger beyond driver, future can be met
The vehicle-mounted middle control in the Internet and entertainment systems.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, the parts shown as unit can be or
Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a vehicle-mounted voice recognition methods, it is characterised in that including:
The voice messaging that in acquisition car, on each seat, the pickup module Mike of configuration receives, wherein, each
Pickup module Mike receives the voice messaging of corresponding seat occupant input；
Described voice messaging is carried out noise reduction process；
According to the parameter information that each road voice messaging in described voice messaging is corresponding, after noise reduction process
Voice messaging carries out signal processing and obtains voice signal；
Described voice signal is carried out speech recognition.
Vehicle-mounted voice recognition methods the most according to claim 1, it is characterised in that described parameter is believed
Breath comprises temporal information, energy information and frequency information, described according to each in described voice messaging
The parameter information that road voice messaging is corresponding, carries out signal processing to the voice messaging after noise reduction process and obtains language
Tone signal includes:
According to temporal information, energy information and frequency that each road voice messaging in described voice messaging is corresponding
Rate information, extracts the voice messaging meeting parameter preset condition the voice messaging after noise reduction process, and
Carry out signal processing and obtain voice signal.
Vehicle-mounted voice recognition methods the most according to claim 2, it is characterised in that described default ginseng
Said conditions is that voice duration is in preset time range, and/or voice decibel is in preset energy scope,
And/or in the range of speech frequency is in predeterminated frequency.
Vehicle-mounted voice recognition methods the most according to claim 2, it is characterised in that described to described
After voice signal carries out speech recognition, described method also includes:
Obtain the seat identification information corresponding with the described voice messaging meeting parameter preset condition；
Determine the authority information corresponding with described seat identification information；
According to described authority information, it is determined whether perform the associative operation after speech recognition.
Vehicle-mounted voice recognition methods the most according to claim 1, it is characterised in that described method is also
Including:
When pickup module Mike receives the stopping voice typing instruction of user's input, receive described pickup
The trigger message that module Mike sends；
According to described trigger message, stop obtaining the voice messaging that described pickup module Mike receives.
6. a vehicle-mounted voice identification device, it is characterised in that including:
Acquiring unit, the voice letter that on each seat, the pickup module Mike of configuration receives in obtaining car
Breath, wherein, each pickup module Mike receives the voice messaging of corresponding seat occupant input；
Processing unit, for carrying out noise reduction process to described voice messaging；
Described processing unit, is additionally operable to the parameter corresponding according to each road voice messaging in described voice messaging
Information, carries out signal processing to the voice messaging after noise reduction process and obtains voice signal；
Recognition unit, for carrying out speech recognition to described voice signal.
Vehicle-mounted voice identification device the most according to claim 6, it is characterised in that described parameter is believed
Breath comprises temporal information, energy information and frequency information,
Described processing unit, specifically for according to each road voice messaging in described voice messaging corresponding time
Between information, energy information and frequency information, the voice messaging after noise reduction process extracts meet default
The voice messaging of Parameter Conditions, and carry out signal processing and obtain voice signal.
Vehicle-mounted voice identification device the most according to claim 7, it is characterised in that described default ginseng
Said conditions is that voice duration is in preset time range, and/or voice decibel is in preset energy scope,
And/or in the range of speech frequency is in predeterminated frequency.
Vehicle-mounted voice identification device the most according to claim 7, it is characterised in that described device is also
Comprise determining that unit；
Described acquiring unit, is additionally operable to obtain corresponding with the described voice messaging meeting parameter preset condition
Seat identification information；
Described determine unit, for determining the authority information corresponding with described seat identification information；
Described determine unit, be additionally operable to according to described authority information, it is determined whether after performing speech recognition
Associative operation.
Vehicle-mounted voice identification device the most according to claim 6, it is characterised in that described device
Also include: receive unit；
Described reception unit, refers to for receiving the stopping voice typing of user's input as pickup module Mike
When making, receive the trigger message that described pickup module Mike sends；
Described acquiring unit, is additionally operable to according to described trigger message, stops obtaining described pickup module Mike
The voice messaging received.
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| CN111583898A (en) * | 2020-05-26 | 2020-08-25 | 舒伟伟 | Space environment multi-directional selective noise reduction system and method |
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