CN103730119B - Vehicle-mounted man-machine voice interaction system - Google Patents
Vehicle-mounted man-machine voice interaction system Download PDFInfo
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- CN103730119B CN103730119B CN201310699770.5A CN201310699770A CN103730119B CN 103730119 B CN103730119 B CN 103730119B CN 201310699770 A CN201310699770 A CN 201310699770A CN 103730119 B CN103730119 B CN 103730119B
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Abstract
The invention provides a vehicle-mounted man-machine voice interaction system. The vehicle-mounted man-machine voice interaction system comprises a voice collection module, a voice purification module connected with the output end of the voice collection module, a voice processing method selection module connected with the output end of the voice purification module, a network module connected between the output end of the voice processing method selection module and the input end of a cloud server, a system terminal processor connected with the output end of the voice processing method selection module, the cloud server and a vehicle-mounted control unit module. The vehicle-mounted man-machine voice interaction system preferably selects the cloud server to carry out voice identification processing under the condition that wireless network signals are good in state in order to improve the accuracy and speed of voice identification, and can also start the system terminal processor when the wireless network signals are not good in order to keep normal work of the vehicle-mounted system.
Description
Technical field
The present invention relates to technical field of voice recognition, be specifically related to a kind of vehicle-mounted man-machine voice interaction system, especially
It is applicable to on-vehicle information amusement and information communication system.
Background technology
Along with automotive electronic technology develop rapidly and people are to automobile function variation, facilitation, human nature
The demand changed progressively heats up, and on-vehicle information amusement and information communication system are increasingly becoming what automobile vendor pursued
Focus.On-vehicle information amusement and information communication system mainly include in-vehicle communication system, electronic navigation system
(GPS), intelligent transportation system, In-vehicle networking, car audio system, vehicle entertainment system etc., these cars
Loading system is to provide more amusement, communication and mobile office function to automobile, with the peace of automobile itself
Entirely, power performance is without direct relation.
Traditional onboard system manipulates frequently with button, although this control mode can guarantee that its function is normal
Use, but convenience and degree of safety are low.Such as, when people is when driving, by button manipulations onboard system meeting
Cause distractibility, it is difficult to answer road pavement special circumstances, cause traffic safety hidden danger.
The Chinese patent of Patent No. ZL201220115136.3 discloses that " a kind of vehicle-mounted voice is man-machine wakes up people up
Machine interactive system ", it is to insert voice wake-up module in mobile unit, and this voice wake-up module includes one
For inputting the mike of phonetic order；One master controller MCU and flash memory, master controller MCU
Being connected with the outfan of vehicular control unit module and mike, flash memory storage has phonetic order to believe
Breath；Having sound identification module and phonetic order to perform module in master controller MCU, sound identification module can carry
Taking the voice messaging of storage in flash memory and compare the voice messaging inputted, identification is driven
The voice messaging of the person of sailing；Vehicle-mounted control functional unit block, is performed module by voice command and controls, it is achieved its
Function.Technical scheme disclosed above replaces traditional button to control onboard system by voice, improves
Convenience and degree of safety, but speech recognition relies on is the built-in processor of onboard system, and recognition accuracy is low
And recognition speed is slow, it is impossible to preferably meet people and use demand.
The Chinese patent of Patent No. ZL201220002430.3 discloses " a kind of vehicle-mounted people based on cloud computing
Machine voice interactive system " this system by cloud server is delivered in the process of speech recognition, reduce this locality
Process the data processing load of chip, improve accuracy and the recognition speed of speech recognition simultaneously.But cloud
End server is not in the case of having network or network signal difference, it is impossible to know to onboard system wireless offer voice
Other places are managed, and cause system cisco unity malfunction.
In view of the above, research and development one is not limited by network signal and accuracy of speech recognition is high, identify speed
Spend fast vehicle-mounted man-machine voice interaction system and become industry urgent problem.
Summary of the invention
It is an object of the invention to overcome weak point of the prior art, it is provided that a kind of vehicle-mounted man machine language is mutual
System.
It is an object of the invention to be achieved through the following technical solutions:
A kind of vehicle-mounted man-machine voice interaction system, including:
Voice acquisition module；
It is connected with voice acquisition module outfan, and for eliminating the voice of the noise in voice messaging and echo
Purify module；
Purify module outfan with voice to be connected, and enter for selecting one at Cloud Server or system terminal processor
The speech processes mode of row voice recognition processing selects module；
It is connected to speech processes mode select between module outfan and Cloud Server input, and is used for providing
The mixed-media network modules mixed-media that wireless network connects；
It is connected to speech processes mode and selects module outfan, and the voice messaging transmitted generates for vehicle-mounted
Control unit module exectorial system terminal processor；
The voice messaging generation of module is selected to perform life for vehicular control unit module by coming from speech processes mode
The Cloud Server of order；
And receive and perform the order of Cloud Server or the transmission of system terminal processor so that onboard system to be carried out
The vehicular control unit module of regulation and control.
The present invention is to add end technology based on cloud, i.e. selects place optimal in Cloud Server and system terminal processor
Reason mode carries out voice recognition processing, and the principle that processing mode is chosen is: in the case of wireless signal is good,
Preferentially start Cloud Server, to promote accuracy and the recognition speed of speech recognition；Bad at wireless signal
In the case of, start system terminal processor and carry out voice recognition processing, make onboard system can maintain normal work
Make.The operation principle of the present invention is as follows:
First, after the operation voice of user is collected by voice acquisition module, it is sent to voice and purifies module；
Secondly, voice purifies module and eliminates the noise in voice messaging and echo, generates pure voice messaging and passes
Deliver to speech processes mode and select module；Finally, speech processes mode selects module to judge current wireless network
Network signal(l)ing condition, and select one at Cloud Server and system terminal processor and carry out voice recognition processing；
When speech processes mode selects module to select Cloud Server to carry out voice recognition processing, mixed-media network modules mixed-media carries
Selecting the wireless network between module and Cloud Server to connect for speech processes mode, Cloud Server can be to voice
The clean speech information that processing mode selects module to transmit carries out voice recognition processing, generate perform order and by
Mixed-media network modules mixed-media is sent to vehicular control unit module, and vehicular control unit module receives and performs Cloud Server warp
The order transmitted by mixed-media network modules mixed-media；
When speech processes mode selects module to select system terminal processor to carry out voice recognition processing, system
The clean speech information that speech processes mode can be selected module to transmit by terminal handler is carried out at speech recognition
Reason, is sent to vehicular control unit module by the execution order of generation, and vehicular control unit module receives and holds
The order that row system terminal processor transmits.
Concrete, described voice acquisition module includes some mikes.
Concrete, mixed-media network modules mixed-media is built-in with wireless network adapter, sets up wireless network with Cloud Server and is connected.
Concrete, described voice purifies module and includes noise processed module and echo processing module, described noise
The input of processing module is connected with the outfan of voice acquisition module, the outfan of noise processed module with return
The input of sonication module connects, and the outfan of echo processing module and speech processes mode select module
Input connects.
In order to ensure that Cloud Server, relative to system terminal processor, becomes preferred voice recognition processing mode,
As improving technical scheme further, described speech processes mode selects module to include:
Linking request issuing side, sends linking request to system terminal processor and Cloud Server respectively；
Network signal judge module, described network signal judge module respectively with mixed-media network modules mixed-media and system terminal at
Reason device connects, and for judging the signal(l)ing condition of Cloud Server, and sends result of determination to speech processes mode
Perform module；
Speech processes mode performs module, is connected with the outfan of network signal judge module, believes according to network
Number result of determination that determination module sends selects corresponding speech processes mode.
Speech processes mode selects module to judge, and the specific works principle of Cloud Server signal(l)ing condition is as follows:
Linking request issuing side sends linking request to system terminal processor and Cloud Server simultaneously, works as system
After terminal handler, Cloud Server and speech processes mode select module to establish the link, feedback link can be distinguished
Successfully the signal of feedback can be analyzed by signal to network signal judge module, network signal judge module
Judging, when Cloud Server first returns the successful signal of link, network signal judge module judges Cloud Server
Signal is good, and speech processes mode performs module and Cloud Server can be selected as the mode of voice recognition processing；
When system terminal processor first returns the successful signal of link, network signal judge module can be according to setting in advance
The fixed time period carries out etc. pending, if Cloud Server returns and links successful signal within the time period waited,
Network signal judge module judges that Cloud Server signal is good, and speech processes mode performs module and cloud can be selected to take
Business device is as the mode of voice recognition processing；If within the time period waited, Cloud Server does not returns and is linked into
The signal of merit, network signal judge module judges that Cloud Server signal is bad, and speech processes mode performs module
System terminal processor can be selected as the mode of voice recognition processing.
As optimal technical scheme, described system terminal processor includes:
Memorizer, is connected with speech analysis engine and semantic analytics engine, it is provided that speech analysis engine is used respectively
In the speech data of comparison and semantic analytics engine for the semantic data of comparison；
Speech analysis engine, selects the outfan of module to be connected with speech processes mode, for by speech processes
The speech data that mode selects clean speech information that module inputs and memorizer to store compares, and exports
The Word message of speech data coupling is to semantic analytics engine；
Semantic analytics engine, is connected with the input of vehicular control unit module, by speech analysis engine transmission
The semantic data that stores of Word message and memorizer compare, and export semantic data coupling control
Order is to vehicular control unit module.
As optimal technical scheme, described Cloud Server includes:
It is connected with speech analysis engine and semantic analytics engine respectively, and is used for providing speech analysis engine to be used for
The speech data of comparison and semantic analytics engine are used for the memorizer of the semantic data of comparison；
The outfan selecting module with speech processes mode is connected, for selecting module defeated speech processes mode
The speech data that the clean speech information entered and memorizer store compares, and exports speech data coupling
The speech analysis engine of the most semantic analytics engine of Word message；
Be connected with the input of vehicular control unit module, by speech analysis engine transmit Word message with deposit
Reservoir storage semantic data compare, and export semantic data coupling control command to vehicle-mounted control
The semantic analytics engine of unit module.
More specifically, described memorizer is flash memory.
The present invention has the following advantages and beneficial effect compared to existing technology:
(1) the invention provides Cloud Server and two kinds of voice recognition processing modes of system terminal processor,
Both can be in the case of signal condition of wireless network be good, the preferably preferred Cloud Server of Cloud Server carries out language
Sound identifying processing, to improve accuracy and the recognition speed of speech recognition, again can at wireless network signal not
Start system terminal processor in the case of good, maintain the normal work of onboard system；
(2) present invention purifies module by being provided for eliminating the voice of noise and echo in voice messaging,
Improve the accuracy of speech recognition；
(3) present invention is by selecting to arrange linking request issuing side in module in speech processes mode, and network is believed
Number judge module and speech processes mode perform module and ensure that Cloud Server carries out the excellent of voice recognition processing
Elder generation's property, it is simple to improve accuracy and the recognition speed of speech recognition；
(4) system terminal processor and Cloud Server be provided with speech analysis engine, semantic analytics engine with
And store the speech data supplying speech analysis engine for comparison, and semantic analytics engine is for the language of comparison
The memorizer of justice data, improves the accuracy of onboard system voice recognition processing.
Accompanying drawing explanation
Fig. 1 is present configuration block diagram.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but the enforcement of the invention
Mode is not limited to this.
As it is shown in figure 1, the invention provides a kind of vehicle-mounted man-machine voice interaction system, including: voice collecting
Module；It is connected with voice acquisition module outfan, and for eliminating the language of the noise in voice messaging and echo
Sound purifies module；Purify module outfan with voice to be connected, and for processing at Cloud Server or system terminal
Device is selected a speech processes mode carrying out voice recognition processing and is selected module；It is connected to speech processes mode select
Between module outfan and Cloud Server input, and for the mixed-media network modules mixed-media providing wireless network to connect；Even
It is connected to speech processes mode and selects module outfan, and the voice messaging transmitted generates for vehicle-mounted control list
Element module exectorial system terminal processor；Speech processes mode will be come from select the voice messaging of module
Generate for the exectorial Cloud Server of vehicular control unit module；And receive and perform Cloud Server or be
The order that system terminal handler transmits is with the vehicular control unit module regulating and controlling onboard system.
Concrete, voice acquisition module includes some mikes.
Voice purifies module and includes noise processed module and echo processing module, the input of noise processed module
It is connected with the outfan of voice acquisition module, the outfan of noise processed module and the input of echo processing module
End connects, and the outfan of echo processing module selects the input of module to be connected with speech processes mode.
Mixed-media network modules mixed-media is built-in with wireless network adapter, sets up wireless network with Cloud Server and is connected.
Sound processing mode selects module to include: linking request issuing side, respectively to system terminal processor and cloud
Server sends linking request；Network signal judge module, network signal judge module respectively with mixed-media network modules mixed-media
Connect with system terminal processor, for judging the signal(l)ing condition of Cloud Server, and result of determination is sent extremely
Speech processes mode performs module；Speech processes mode performs module, with the output of network signal judge module
End connects, and selects corresponding speech processes mode according to the result of determination that network signal determination module sends.
System terminal processor and Cloud Server all include: memorizer, respectively with speech analysis engine and semanteme
Analytics engine connects, it is provided that speech analysis engine is used for for speech data and the semantic analytics engine of comparison
The semantic data of comparison；Speech analysis engine, selects the outfan of module to be connected with speech processes mode, uses
The speech data stored in the clean speech information that speech processes mode selects module input and memorizer is carried out
Compare, and export the Word message of speech data coupling to semantic analytics engine；Semantic analytics engine, with car
The input carrying control unit module connects, and the Word message transmitted by speech analysis engine stores with memorizer
Semantic data compare, and export semantic data coupling control command to vehicular control unit module.
Wherein memorizer is flash memory.
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for this area
For those of ordinary skill, under the premise of not departing from the present invention, it is also possible to make some deformation and improvement,
These broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be wanted with appended right
Ask and be as the criterion.
Claims (8)
1. a vehicle-mounted man-machine voice interaction system, it is characterised in that: including:
Voice acquisition module；
It is connected with voice acquisition module outfan, and for eliminating the voice of the noise in voice messaging and echo
Purify module；
Purify module outfan with voice to be connected, and enter for selecting one at Cloud Server or system terminal processor
The speech processes mode of row voice recognition processing selects module；
It is connected to speech processes mode select between module outfan and Cloud Server input, and is used for providing
The mixed-media network modules mixed-media that wireless network connects；
It is connected to speech processes mode and selects module outfan, and the voice messaging transmitted generates for vehicle-mounted
Control unit module exectorial system terminal processor；
The voice messaging generation of module is selected to perform life for vehicular control unit module by coming from speech processes mode
The Cloud Server of order；
And receive and perform the order of Cloud Server or the transmission of system terminal processor so that onboard system to be carried out
The vehicular control unit module of regulation and control；
Described speech processes mode selects module to include:
The linking request issuing side of linking request is sent respectively to system terminal processor and Cloud Server；
It is connected with mixed-media network modules mixed-media and system terminal processor respectively, for judging the signal(l)ing condition of Cloud Server,
And result of determination transmission is performed to speech processes mode the network signal judge module of module；
It is connected with the outfan of network signal judge module, and the judgement sent according to network signal determination module
Result selects the speech processes mode of corresponding speech processes mode to perform module.
Vehicle-mounted man-machine voice interaction system the most according to claim 1, it is characterised in that: described voice
Acquisition module includes some mikes.
Vehicle-mounted man-machine voice interaction system the most according to claim 1, it is characterised in that: described network
Module is built-in with wireless network adapter, sets up wireless network with Cloud Server and is connected.
Vehicle-mounted man-machine voice interaction system the most according to claim 1, it is characterised in that: described voice
Purify module and include noise processed module and echo processing module, the input of described noise processed module and language
The outfan of sound acquisition module connects, and the outfan of noise processed module connects with the input of echo processing module
Connecing, the outfan of echo processing module selects the input of module to be connected with speech processes mode.
Vehicle-mounted man-machine voice interaction system the most according to claim 1, it is characterised in that: described system
Terminal handler includes:
It is connected with speech analysis engine and semantic analytics engine respectively, it is provided that speech analysis engine is for comparison
Speech data and semantic analytics engine are used for the memorizer of the semantic data of comparison；
The outfan selecting module with speech processes mode is connected, for selecting module defeated speech processes mode
The speech data that the clean speech information entered and memorizer store compares, and exports speech data coupling
The speech analysis engine of the most semantic analytics engine of Word message；
Be connected with the input of vehicular control unit module, by speech analysis engine transmit Word message with deposit
Reservoir storage semantic data compare, and export semantic data coupling control command to vehicle-mounted control
The semantic analytics engine of unit module.
Vehicle-mounted man-machine voice interaction system the most according to claim 1, it is characterised in that: described cloud takes
Business device includes:
It is connected with speech analysis engine and semantic analytics engine respectively, it is provided that speech analysis engine is for comparison
Speech data and semantic analytics engine are used for the memorizer of the semantic data of comparison；
The outfan selecting module with speech processes mode is connected, for selecting module defeated speech processes mode
The speech data that the clean speech information entered and memorizer store compares, and exports speech data coupling
The speech analysis engine of the most semantic analytics engine of Word message；
Be connected with the input of vehicular control unit module, by speech analysis engine transmit Word message with deposit
Reservoir storage semantic data compare, and export semantic data coupling control command to vehicle-mounted control
The semantic analytics engine of unit module.
Vehicle-mounted man-machine voice interaction system the most according to claim 5, it is characterised in that: described storage
Device is flash memory.
Vehicle-mounted man-machine voice interaction system the most according to claim 6, it is characterised in that: described storage
Device is flash memory.
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| CN201310699770.5A CN103730119B (en) | 2013-12-18 | 2013-12-18 | Vehicle-mounted man-machine voice interaction system |
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