CN109830234A - A kind of intelligent vehicle-carried information interaction device and exchange method - Google Patents
A kind of intelligent vehicle-carried information interaction device and exchange method Download PDFInfo
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- CN109830234A CN109830234A CN201910210099.0A CN201910210099A CN109830234A CN 109830234 A CN109830234 A CN 109830234A CN 201910210099 A CN201910210099 A CN 201910210099A CN 109830234 A CN109830234 A CN 109830234A
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Abstract
The present invention relates to mobile unit technical fields, in particular to a kind of intelligent vehicle-carried information interaction device and exchange method, the outer camera of external power supply, communication module, sound pick-up, audio output device, camera in car, vehicle and Bluetooth adapter are connected with core processing module respectively, core processing module includes processor chips, power management IC, storage EMMC and memory DDR, power management IC, storage EMMC and memory DDR are connected with processor chips respectively, and power management IC is connected with external power supply.Compared with prior art, intelligent vehicle-carried information interaction device of the invention and exchange method, operating handset can be avoided in driving procedure, it can directly be dialed, answer, do not connect, rejection, hung up the telephone by voice operating mobile phone, also the information content can be broadcasted, audio-video chat can also be carried out by voice in driving process, be not required to be manually operated, guarantee that drive safety convenient, friendly can link up again with the external world.
Description
[technical field]
The present invention relates to mobile unit technical field, in particular to a kind of intelligent vehicle-carried information interaction device and interaction side
Method.
[background technique]
With becoming increasingly popular for automobile, driving has become important trip mode, in traffic accident over the years, many things
Therefore be not focus on occurring due to driving, for example making and receiving calls when driving, occur when checking answering mobile phone information, it is past
It is past that huge injury is caused safely to driver or autre vie.
The rise of social networks, smart phone is more more and more universal, people to mobile phone, to the product of social attribute increasingly according to
Rely, in vehicle electronics product and in this way, driving operating handset, vehicle electronics interactive system cause traffic accident more and more.
Also there are many manufacturers to be integrated with vehicle-mounted wechat, vehicle-mounted third party's social activity utilization on existing mobile unit, need in steering wheel position
The place of setting increases a gadget for controlling or receiving voice, inconvenient and bring security risk when driving, cannot
Can be handled well again while focusing on driving mobile communication and with the voice of good friend, Video chat.
Orthodox car is not intelligent at present, does not realize network savvy also, it is logical for obtaining the sole mode of communication in the car
Mobile phone is crossed, this just drives a vehicle to us and causes many insecurity factors.
[summary of the invention]
In order to overcome the above problem, the present invention proposes that a kind of intelligent vehicle-carried information exchange that can effectively solve the above problems is set
Standby and exchange method.
The present invention solves a kind of technical solution that above-mentioned technical problem provides: providing a kind of intelligent vehicle-carried information exchange and sets
Standby and exchange method, including core processing module, external power supply, communication module, multichannel sound pick-up, audio output device, car
The outer camera of camera, vehicle and Bluetooth adapter, the external power supply, communication module, sound pick-up, audio output device, car
The outer camera of camera, vehicle and Bluetooth adapter are connected with core processing module respectively, and the core processing module includes place
Manage device chip, power management IC, storage EMMC and memory DDR, the power management IC, storage EMMC and memory DDR respectively with
Processor chips are connected, and the power management IC is connected with external power supply.
Preferably, described.
Preferably, the core processing module connects camera in car and the outer camera of vehicle by hardware interface, and car is taken the photograph
As head is set to car, the outer camera of vehicle is set to rearview mirror copilot side direction outwardly.
Preferably, the processor chips model T7BGA547.
Preferably, a kind of exchange method of intelligent vehicle-carried information interaction device, comprising the following steps:
Step S1 obtains audio data sequence x (n) by the audio data in sound pick-up collecting vehicle；
Step S2 does Fourier transformation to collected audio data and obtains energy field pattern, transformation for mula are as follows:Wherein x (n) is collected audio data sequence, X (ejω) it is discrete Fourier transform, lead to
Data capacity field known to corresponding spectrum distribution is crossed, detection energy field distribution is as mute close to 0 portion of audio data, detection
Equipment can be allowed to enter suspend mode saving power consumption to mute, energy conservation and environmental protection, when detecting non-mute, equipment executes progress intelligence down
Phonetic algorithm identification；
Audio data is carried out digital filtering using LMS adaptive filter method by step S3, and removal ambient noise interferes,
Known V (m) is voice input signal, and L (m) is corresponding ambient noise, and Y (m)=V (m)-L (m) obtains noise filtering more
Pure voice signal Y (m)；
Step S4 carries out windowing process into frame data one by one to voice signal Y (m)；
Step S5, the accent feature in recognition of speech signals, according to feature extraction and acoustics Model Matching as a result, selection
Characteristic frame comparison is carried out in most matched acoustic model, and text information is exported according to probability comparator comparison result；
Step S6, after exporting text information, matching is intended to keyword " dial/connect ", " casting ", " connect/look for ", " dial/
Connect " be identified as need dial/connect mobile phone contact, " casting " be casting the information content, " connect/look for " be from equipment end searching
Contact person carries out voice-enabled chat, and identification then finds matched contact person into corresponding address list and carries out phone, sound view after being intended to
Frequency is chatted, and " not finding contact person " is replied if not being matched to contact person.
Step S7 then searches corresponding contact person after having matched intent instructions into address list or buddy list, then beats
Open telephone call or chat interface.
Preferably, in the step S2,Wherein S (j) is silence clip, and V (m) is sound
Mute voice signal is removed in frequency, V (m) will be inputted as voice.
Preferably, in the step S5, by carrying out Fourier transformation to voice signal, Mel Cepstral Frequency Coefficients method is utilized
Afterwards by deep neural network come accent type belonging to analysis and synthesis operation voice signal, to select corresponding acoustic mode
Type.
Preferably, the voice data of each place is stored in the acoustic model, include mandarin and the local dialect, according to
Feature extraction finds affiliated acoustics dictionary and decoder as a result, then corresponding to, and transports by analysis via acoustics dictionary and decoder
It calculates, matching output text-string such as feeds back unidentified arrive and matches vocabulary, then comes back to feature extraction further according to maximum probability
Again it matches, prompts to say or abandon again to wait next section of voice again if non-successful match again.
Compared with prior art, intelligent vehicle-carried information interaction device of the invention and exchange method, can be in driving procedure
Operating handset is avoided, can directly be dialed, answer, do not connect, rejection, hung up the telephone by voice operating mobile phone, can also broadcast information
Content.Audio-video chat can also be carried out by voice in driving process, be not required to be manually operated, guarantee that drive safety again can be just
Prompt, friendly links up with the external world.
[Detailed description of the invention]
Fig. 1 is a kind of structural block diagram of intelligent vehicle-carried information interaction device of the present invention；
Fig. 2 is a kind of core processing module internal structure chart of intelligent vehicle-carried information interaction device of the present invention；
Fig. 3 is a kind of core processing module circuit diagram of intelligent vehicle-carried information interaction device of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and embodiment,
The present invention will be described in further detail.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, and
It is not used in the restriction present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute only limits in the embodiment of the present invention
In the relative position in given view, rather than absolute position.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
It please refers to Fig.1 to Fig.3, a kind of intelligent vehicle-carried information interaction device of the invention, including core processing module, external
The outer camera of power supply, communication module, multichannel sound pick-up, audio output device, camera in car, vehicle and Bluetooth adapter, it is described
The outer camera of external power supply, communication module, sound pick-up, audio output device, camera in car, vehicle and Bluetooth adapter respectively with
Core processing module is connected.
The core processing module connects camera in car and the outer camera of vehicle by hardware interface.Camera in car can be set
It is placed in interior any position, is preferably set to operator seat side, is conducive to preferable visual angle and is directed at driver.The outer camera of vehicle is set
It is placed in rearview mirror copilot side direction outwardly.The hardware interface includes but is not limited to MIPI, AHD, USB, CVBS, TVIN etc.
Deng.
The external power supply includes but is not limited to cigar lighter, vehicle-mounted USB port, battery etc., and power input is that Width funtion is defeated
Enter, can support 5V to 24V power input range, produces 5V power supply and equipment use is provided.
The communication module includes but is not limited to 4G telecommunication circuit or 5G telecommunication circuit, is mainly responsible for communication, is equipment language
Sound, Video chat provide data traffic, in addition also can making and receiving calls, reception information in equipment.
The multichannel sound pick-up is multiple microphones or microphone array, and quantity is 1 or 3 or 4 or 6 or 8,
Effect acquires external sound information, being then passed to speech recognition algorithm module, (AI voice is known to pick up extraneous voice signal
It does not identify), and is parsed into relevant intention, carry out voice dial phone, voice dial voice, video and acquire input, simultaneously
Transmitter as call, chat.
The audio output device includes power amplifier and HiFi Speakers, and HiFi Speakers are connected with power amplifier,
Data, which will have parsed, after AI speech recognition to be played by audio output device, in addition telephone relation, chat, music, short message casting
Equal audio datas can also be played back by audio output device.
The Bluetooth adapter is connect with Bluetooth of mobile phone, can be by hand when equipment is connect with mobile phone by Bluetooth adapter
In the address list synchronization to equipment of machine, incoming call and information can be reminded and be broadcasted by passing to equipment end by bluetooth, if
It is standby that Bluetooth adapter incoming call answering or the casting information content can control by voice command recognition.In addition equipment can also pass through voice
The phone of mobile phone contact is dialed, voice dial-up function is carried out.
The core processing module includes processor chips, power management IC, storage EMMC and memory DDR, the power supply
Management IC, storage EMMC and memory DDR are connected with processor chips respectively.The power management IC is connected with external power supply
It connects.The processor chips model T7BGA547.
A kind of exchange method of intelligent vehicle-carried information interaction device, comprising the following steps:
Step S1 obtains audio data sequence x (n) by the audio data in sound pick-up collecting vehicle；
Step S2 does Fourier transformation to collected audio data and obtains energy field pattern, transformation for mula are as follows:Wherein x (n) is collected audio data sequence, X (ejω) it is discrete Fourier transform, lead to
Data capacity field known to corresponding spectrum distribution is crossed, detection energy field distribution is as mute close to 0 portion of audio data, detection
Equipment can be allowed to enter suspend mode saving power consumption to mute, energy conservation and environmental protection, when detecting non-mute, equipment executes progress intelligence down
Phonetic algorithm identification；
In the step S2,Wherein S (j) is silence clip, and V (m) is to remove in audio
Mute voice signal, V (m) will be inputted as voice.
Audio data is carried out digital filtering using LMS adaptive filter method by step S3, and removal ambient noise interferes,
Known V (m) is voice input signal, and L (m) is corresponding ambient noise, and Y (m)=V (m)-L (m) obtains noise filtering more
Pure voice signal Y (m)；
In the step S3, ambient noise can be the ambient noises such as musical sound, wind and rain sound.
Step S4 carries out windowing process into frame data one by one to voice signal Y (m)；
Step S5, the accent feature in recognition of speech signals, according to feature extraction and acoustics Model Matching as a result, selection
Characteristic frame comparison is carried out in most matched acoustic model, and text information is exported according to probability comparator comparison result；
In the step S5, by carrying out Fourier transformation to voice signal, utilize Mel Cepstral Frequency Coefficients method (MFCC)
Afterwards by deep neural network (DNN) come accent type belonging to analysis and synthesis operation voice signal, to select corresponding sound
Learn model.
Store the voice data of each place in the acoustic model, such as Fujian, Hunan, Sichuan, Guangdong, north ground language
Sound data (include mandarin and the local dialect).Such as affiliated according to feature extraction result is Beijing native language, then corresponds to belonging to finding
The acoustics dictionary and decoder of Beijing native language, via acoustics dictionary and decoder operation by analysis, matching output text-string.
It such as feeds back unidentified arrive and matches vocabulary, then come back to feature extraction and matched again further according to maximum probability, do not matched again such as
It is successful then prompt to say or abandon to wait next section of voice again again.
Step S6, after exporting text information, matching is intended to keyword " dial/connect ", " casting ", " connect/look for ", " dial/
Connect " be identified as need dial/connect mobile phone contact, " casting " be casting the information content, " connect/look for " be from equipment end searching
Contact person carries out voice-enabled chat, and identification then finds matched contact person into corresponding address list and carries out phone, sound view after being intended to
Frequency is chatted." not finding contact person " is replied if not being matched to contact person.
Step S7 then searches corresponding contact person after having matched intent instructions into address list or buddy list, then beats
Open telephone call or chat interface.
The process of audio-video is that a room number is created when recognizing voice inviting linkman voice or Video chat, into
Enter room and send chat invitation, contact person is transmitted the message to by AMQP agreement, contact person agrees to start sound between laggard having sexual intercourse
Video chat, chatting if room creates failure or contact person's rejection terminates.It can be by specifically waking up word in chat process
AI voice assistant is waken up, sending closes chat after hanging up.
Compared with prior art, intelligent vehicle-carried information interaction device of the invention and exchange method, can be in driving procedure
Operating handset is avoided, can directly be dialed, answer, do not connect, rejection, hung up the telephone by voice operating mobile phone, can also broadcast information
Content.Audio-video chat can also be carried out by voice in driving process, be not required to be manually operated, guarantee that drive safety again can be just
Prompt, friendly links up with the external world.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the scope of the invention, all at this
Made any modification within the design of invention, equivalent replacement and improvement etc. should be included in scope of patent protection of the invention
It is interior.
Claims (7)
1. a kind of intelligent vehicle-carried information interaction device, which is characterized in that including core processing module, external power supply, communication module,
The outer camera of multichannel sound pick-up, audio output device, camera in car, vehicle and Bluetooth adapter, the external power supply, communication mould
The outer camera of block, sound pick-up, audio output device, camera in car, vehicle and Bluetooth adapter respectively with core processing module phase
Connection；
The core processing module includes processor chips, power management IC, storage EMMC and memory DDR, the power management
IC, storage EMMC and memory DDR are connected with processor chips respectively, and the power management IC is connected with external power supply.
2. intelligent vehicle-carried information interaction device as described in claim 1, which is characterized in that the core processing module passes through hard
Part interface connects camera in car and the outer camera of vehicle, and camera in car is set to car, and the outer camera of vehicle is set to rearview mirror
Copilot side direction outwardly.
3. intelligent vehicle-carried information interaction device as described in claim 1, which is characterized in that the processor chips model
T7BGA547。
4. a kind of exchange method of intelligent vehicle-carried information interaction device, which comprises the following steps:
Step S1 obtains audio data sequence x (n) by the audio data in sound pick-up collecting vehicle；
Step S2 does Fourier transformation to collected audio data and obtains energy field pattern, transformation for mula are as follows:Wherein x (n) is collected audio data sequence, X (ejω) it is discrete Fourier transform, lead to
Data capacity field known to corresponding spectrum distribution is crossed, detection energy field distribution is as mute close to 0 portion of audio data, detection
Equipment can be allowed to enter suspend mode saving power consumption to mute, energy conservation and environmental protection, when detecting non-mute, equipment executes progress intelligence down
Phonetic algorithm identification；
Audio data is carried out digital filtering, removal ambient noise interference, it is known that V using LMS adaptive filter method by step S3
It (m) is voice input signal, L (m) is corresponding ambient noise, and it is more pure to obtain noise filtering by Y (m)=V (m)-L (m)
Voice signal Y (m)；
Step S4 carries out windowing process into frame data one by one to voice signal Y (m)；
Step S5, the accent feature in recognition of speech signals, according to feature extraction and acoustics Model Matching as a result, selection most
Characteristic frame comparison is carried out in the acoustic model matched, and text information is exported according to probability comparator comparison result；
Step S6, after exporting text information, matching is intended to keyword " dial/connect ", " casting ", " connect/look for ", " dials/connects
It is logical " be identified as needing to dial/mobile phone contact is connected, " casting " is the casting information content, and " connect/look for " is to find connection from equipment end
It is that people carries out voice-enabled chat, identification then finds matched contact person into corresponding address list and carries out phone, audio-video after being intended to
Chat, replys " not finding contact person " if not being matched to contact person.
Step S7 then searches corresponding contact person after having matched intent instructions into address list or buddy list, then opens electricity
Words are dialed or chat interface.
5. the exchange method of intelligent vehicle-carried information interaction device as claimed in claim 4, which is characterized in that the step S2
In,Wherein S (j) is silence clip, and V (m) is to remove mute voice signal, V in audio
(m) it will be inputted as voice.
6. the exchange method of intelligent vehicle-carried information interaction device as claimed in claim 4, which is characterized in that the step S5
In, by carrying out Fourier transformation to voice signal, using being analyzed after Mel Cepstral Frequency Coefficients method by deep neural network and
Accent type belonging to comprehensive operation voice signal, to select corresponding acoustic model.
7. the exchange method of intelligent vehicle-carried information interaction device as claimed in claim 6, which is characterized in that the acoustic model
In store the voice data of each place, include mandarin and the local dialect, according to feature extraction as a result, then it is corresponding find belonging to
Acoustics dictionary and decoder, via acoustics dictionary and decoder operation by analysis, matching output text-string is such as fed back
It is unidentified to arrive matching vocabulary, then it comes back to feature extraction and is matched again further according to maximum probability, if non-successful match again
Prompt is said again or abandons again to wait next section of voice.
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| CN110422120A (en) * | 2019-08-16 | 2019-11-08 | 深圳市尼欧科技有限公司 | Intelligent back vision mirror and its vehicle with automatic telescopic camera |
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| CN111312252A (en) * | 2020-03-11 | 2020-06-19 | 严春波 | Method for inviting address book personnel through AI voice |
| CN114590185A (en) * | 2022-03-17 | 2022-06-07 | 金川集团股份有限公司 | Automotive headrest and automotive voice control artificial intelligence system |
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Application publication date: 20190531 |