CN201557160U - Vehicle-mounted Bluetooth hands-free controller supporting voice command - Google Patents
Vehicle-mounted Bluetooth hands-free controller supporting voice command Download PDFInfo
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- CN201557160U CN201557160U CN2009202469367U CN200920246936U CN201557160U CN 201557160 U CN201557160 U CN 201557160U CN 2009202469367 U CN2009202469367 U CN 2009202469367U CN 200920246936 U CN200920246936 U CN 200920246936U CN 201557160 U CN201557160 U CN 201557160U
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Abstract
The utility model relates to a vehicle-mounted Bluetooth hands-free controller supporting voice command, comprising a Bluetooth stereo main module connected with a vehicle-mounted navigator display screen, an audio-frequency power amplifier connected with a vehicle-mounted loudspeaker, a signal modulation interface and a voice recognition module which are connected with a vehicle-mounted microphone, and an SD memory card used for storing the user mobile phone number book information, wherein the voice recognition module is respectively connected with the Bluetooth stereo main module and the signal modulation interface; and the SD memory card is respectively connected with the Bluetooth stereo main module and the voice recognition module. The vehicle-mounted Bluetooth hands-free controller supporting voice command has the advantages that the voice recognition module is used for completing voice command recognition in Bluetooth hands-free control, and Bluetooth is used for realizing phone book synchronization, so that the voice recognition technology is combined with the Bluetooth hands-free control technology; and the vehicle-mounted Bluetooth hands-free controller has simple structure and low cost, and can meet the demands of people for the driving safety and comfort.
Description
Technical field
The utility model relates to on-vehicle control apparatus, the hands-free controller of particularly a kind of on-vehicle Bluetooth of support voice order.
Background technology
Along with the fast sale of market for automobiles and the people concern to the driving safety problem, the automobile Bluetooth Handless system more and more is subjected to liking of consumer.Common automobile Bluetooth Handless system mainly is to design for the mobile phone communication that solves in the driving process at present.The user is by the button of operation vehicle-mounted radio or navigation and touch-screen etc., finish that pairing connects, incoming call is answered, Mike is quiet, converse hang up, last code redials the function of expecting someone's call.If will converse, user's operational motions such as carrying out button of need bowing has so just caused traffic safety hidden danger in the driving process.Along with people improve constantly demand to drive safety and comfortableness, to the technical market more new problem has been proposed, for example: support voice identification, call and to carry out phone directory synchronous etc. by voice command.Realize simultaneously that at the hands-free controller of on-vehicle Bluetooth of the former car configuration in dress market just the product of these functions does not also occur at present.
The utility model content
The purpose of this utility model is to overcome the defective that conventional art exists, and a kind of hands-free controller of on-vehicle Bluetooth of support voice order simple in structure, with low cost is provided.
For achieving the above object, the hands-free controller of on-vehicle Bluetooth of the support voice order that the utility model provides, comprise Bluetooth stereo primary module that links to each other with the automatic navigator display screen and the audio-frequency power amplifier that links to each other with vehicle-mounted loudspeaker, described Bluetooth stereo primary module links to each other with described audio-frequency power amplifier, also comprise the signal modulation interface that links to each other with described vehicle-mounted microphone, sound identification module and be used to store the SD storage card of user mobile phone telephone directory information, described sound identification module links to each other respectively with described signal modulation interface with described Bluetooth stereo primary module, and described SD storage card links to each other respectively with sound identification module with described Bluetooth stereo primary module.
The hands-free controller of on-vehicle Bluetooth of the utility model support voice order, wherein said Bluetooth stereo primary module comprises:
Bluetooth baseband communication DSP is used for the blue teeth wireless transfer of data with user mobile phone;
Application layer MCU is used for according to the voice command recognition result enforcement bluetooth handsfree control and the user mobile phone telephone directory information of described sound identification module synchronous;
RF antenna and FLASH;
Wherein, described bluetooth baseband communication DSP links to each other respectively with FLASH with described RF antenna.
The hands-free controller of on-vehicle Bluetooth of the utility model support voice order, wherein said Bluetooth stereo primary module adopt model to constitute for the BC05 circuit of single-chip integrated.
It is the circuit of single-chip integrated formation of WS-117 that the hands-free controller of on-vehicle Bluetooth of the utility model support voice order, wherein said sound identification module adopt model.
The hands-free controller of on-vehicle Bluetooth of the utility model support voice order, wherein said echo are eliminated the circuit of single-chip integrated formation that noise suppression module employing model is FM1182.
It is the circuit of single-chip integrated formation of TPA6211 that the hands-free controller of on-vehicle Bluetooth of the utility model support voice order, wherein said audio-frequency power amplifier adopt model.
The advantage of the hands-free controller of on-vehicle Bluetooth of the utility model support voice order is: in the blue tooth vehicular Handless system, make full use of the stereodecoder of BC05 inside modules, finishing bluetooth handsfree conversation and stereo music plays, sterophonic technique and bluetooth handsfree control technology are combined, it is simple in structure, with low cost, has satisfied people and has driven recreational and market demand comfortableness.
The advantage that the utlity model has the hands-free controller of on-vehicle Bluetooth of speech identifying function is: in the blue tooth vehicular Handless system, the single-chip sound identification module that makes full use of WS-117 is finished the voice command identification in the bluetooth handsfree control and is realized that by bluetooth baseband communication DSP phone directory is synchronous, speech recognition technology and bluetooth handsfree control technology are combined, it is simple in structure, with low cost, has satisfied the market demand of people to drive safety and comfortableness.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that the purpose of this utility model, feature and advantage are had deep understanding.
Description of drawings
Fig. 1 is the block diagram of the hands-free controller of on-vehicle Bluetooth of the utility model support voice order;
Fig. 2 eliminates the circuit theory diagrams of noise suppression module and audio-frequency power amplifier for echo;
Fig. 3 is the electrical schematic diagram of Bluetooth stereo primary module, sound identification module and SD storage card.
Embodiment
Describe the embodiment of the hands-free controller of on-vehicle Bluetooth of the utility model support voice order in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, the hands-free controller of on-vehicle Bluetooth of the support voice order that the utility model provides comprises Bluetooth stereo primary module U1, echo elimination noise suppression module U2, audio-frequency power amplifier U3, sound identification module U5, SD storage card U6 and a signal modulation interface U4.Bluetooth main control module U1 links to each other by the SPI interface with sound identification module U5, sound identification module U5 is connected with 4 bit data interface with the SD card, Bluetooth stereo primary module U1 eliminates noise suppression module U2 with the PCM signal through echo with control line and links to each other with audio-frequency power amplifier U3, audio-frequency power amplifier U3 links to each other with vehicle-mounted loudspeaker, and signal modulation interface U4 links to each other with vehicle-mounted microphone.
Bluetooth stereo primary module U1 comprises: bluetooth baseband communication DSP is used for the blue teeth wireless transfer of data with user mobile phone; Application layer MCU is used for; RF antenna and FLASH; Wherein, described bluetooth baseband communication DSP links to each other with FLASH with the RF antenna.
With reference to Fig. 1, bluetooth main control module U1 comprises bluetooth baseband communication DSP and application layer MCU two parts.Bluetooth baseband communication DSP is used for setting up bluetooth with user mobile phone and is connected, and carries out wireless data transmission.Application layer MCU is synchronous according to voice command recognition result enforcement bluetooth handsfree control and the user mobile phone telephone directory information of sound identification module U5.Bluetooth main control module U1 links to each other with the vehicle mounted guidance display screen by the UART holding wire, and the caller ID of finishing in the hands-free controller of on-vehicle Bluetooth shows.
With reference to Fig. 2, the inner dsp chip of sound identification module U5 carries out signal analysis to the voice command that vehicle-mounted microphone transmits, recognition result (3 candidate result) is fed back to the bluetooth primary module by corresponding SPI interface, carry out corresponding action by bluetooth primary module U1 again.Sound identification module U5 supports the identification control of Chinese, English voice.For the non-vocabulary that easily mixes, the discrimination that system provides reaches more than 97%.
U6 is the SD storage card, at first reads the phone directory content of user mobile phone after bluetooth primary module U1 powers on, be converted into HMM grid literal then and send to sound identification module, the latter with information stores in the SD card.
With reference to Fig. 3, in the embodiment of the hands-free controller of on-vehicle Bluetooth of the utility model support voice order, it is that the circuit of single-chip integrated of BC05 constitutes that Bluetooth stereo primary module U1 adopts model.It is the circuit of single-chip integrated formation of WS-117 that sound identification module U5 adopts model.
Echo is eliminated noise suppression module U2, and under the hand-free call pattern, the voice data of user and the other side's conversation is that the FM1182 chip carries out the echo elimination and noise suppressed is handled through U2, reaches perfect communication effect.The FM1182 chip carries out digitlization and pcm encoder with the analog voice signal of microphone collection, is that the bluetooth baseband of BC05 chip and RF antenna transmission are given the other side by Bluetooth stereo primary module U1.The other side's voice data sends the BC05 chip to by bluetooth baseband communication DSP, and the BC05 chip sends it to the FM1182 chip to carry out changing analog voice signal into after the PCM decoding.Echo is eliminated the circuit of single-chip integrated formation that noise suppression module U2 employing model is FM1182.
Audio-frequency power amplifier U3 adopts model to constitute for the TPA6211 circuit of single-chip integrated, is connected to driver left side vehicle-mounted loudspeaker by SPK+ and SPK-holding wire, finishes the voice playing function.Audio-source is from the incoming call prompting sound of bluetooth main control module U1 output and the other side sound of conversing.
Signal modulation interface U4 is connected to vehicle-mounted microphone by MIC+ and MIC-holding wire, and the voice signal by vehicle-mounted microphone collection is carried out level conversion and filtering, finishes the audio collection function.Audio-source is driver's voice command and a conversation sound.
The telephone directory information that SD storage card U6 is used to store user mobile phone.
The hands-free controller of on-vehicle Bluetooth of the utility model support voice order, the user needs earlier bluetooth cellular phone and car handsfree controller to be carried out Bluetooth pairing and is connected with bluetooth during use.
During hand-free call, user's one's voice in speech is converted into analog electrical signal by vehicle-mounted microphone collection, process signal debugging interface U4 and echo elimination noise suppression module U2 change the PCM signal into and send to bluetooth primary module U1, and bluetooth primary module U1 sends to user's mobile phone with the blue teeth wireless signal by antenna.End user's mobile phone sends to signal on the mobile phone of partner by mobile communications network.Same, the mobile phone of partner at first sends to its conversation sound on the user mobile phone through mobile communications network, user mobile phone sends to bluetooth primary module U1 by the blue teeth wireless signal with the other side's sound of conversing, bluetooth primary module U1 sends to echo with voice data with the PCM digital signal form and eliminates noise suppression module U2, echo is eliminated noise suppression module U2 it is reduced to analog voice signal, comes out by audio-frequency power amplifier U3 and loudspeaker plays at last.
The hands-free controller of on-vehicle Bluetooth of the utility model support voice order makes full use of the single-chip speech recognition schemes of WS-117, finish the voice command identification in the bluetooth handsfree control and realize that by bluetooth baseband communication DSP phone directory is synchronous, speech recognition technology and bluetooth handsfree control technology are combined.According to the needs that the automobile hands-free communication systems constantly develops, the hands-free controller of such on-vehicle Bluetooth can adapt to the demand of people to drive safety and comfortableness better, and application prospect is very extensive.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design prerequisite; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection range of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (6)
1. the hands-free controller of the on-vehicle Bluetooth of a support voice order, comprise Bluetooth stereo primary module (U1) that links to each other with the automatic navigator display screen and the audio-frequency power amplifier that links to each other with vehicle-mounted loudspeaker (U3), it is characterized in that: also comprise the signal modulation interface (U4) that links to each other with described vehicle-mounted microphone, be used for the analog voice signal of microphone collection is carried out the echo elimination noise suppression module (U2) of digitlization and pcm encoder, sound identification module (U5) and be used to store the SD storage card (U6) of user mobile phone telephone directory information, described Bluetooth stereo primary module (U1) is eliminated noise suppression module (U2) through echo and is linked to each other with described audio-frequency power amplifier (U3), described sound identification module (U5) links to each other respectively with described signal modulation interface (U4) with described Bluetooth stereo primary module (U1), and described SD storage card (U6) links to each other respectively with sound identification module (U5) with described Bluetooth stereo primary module (U1).
2. according to the hands-free controller of on-vehicle Bluetooth of the support voice order of claim 1, it is characterized in that: wherein said Bluetooth stereo primary module (U1) comprising:
Bluetooth baseband communication DSP is used for the blue teeth wireless transfer of data with user mobile phone;
Application layer MCU, it is synchronous to be used for described voice command recognition result enforcement bluetooth handsfree control and user mobile phone telephone directory information according to sound identification module (U5);
RF antenna and FLASH;
Wherein, described bluetooth baseband communication DSP links to each other respectively with FLASH with described RF antenna.
3. the hands-free controller of the on-vehicle Bluetooth of support voice order according to claim 1 and 2 is characterized in that: it is the circuit of single-chip integrated formation of BC05 that wherein said Bluetooth stereo primary module (U1) adopts model.
4. the hands-free controller of the on-vehicle Bluetooth of support voice order according to claim 3 is characterized in that: it is the circuit of single-chip integrated formation of WS-117 that wherein said sound identification module (U5) adopts model.
5. the hands-free controller of the on-vehicle Bluetooth of support voice order according to claim 4 is characterized in that: wherein said echo is eliminated the circuit of single-chip integrated formation that noise suppression module (U2) employing model is FM1182.
6. the hands-free controller of on-vehicle Bluetooth of calling and play stereo music according to claim 5 is characterized in that: wherein said audio-frequency power amplifier (U3), adopting model is the circuit of single-chip integrated formation of TPA6211.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469367U CN201557160U (en) | 2009-11-10 | 2009-11-10 | Vehicle-mounted Bluetooth hands-free controller supporting voice command |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469367U CN201557160U (en) | 2009-11-10 | 2009-11-10 | Vehicle-mounted Bluetooth hands-free controller supporting voice command |
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| Publication Number | Publication Date |
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| CN201557160U true CN201557160U (en) | 2010-08-18 |
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| CN2009202469367U Expired - Lifetime CN201557160U (en) | 2009-11-10 | 2009-11-10 | Vehicle-mounted Bluetooth hands-free controller supporting voice command |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745720A (en) * | 2013-12-25 | 2014-04-23 | 安徽科大讯飞信息科技股份有限公司 | Bluetooth system with voice recognition |
| CN105228094A (en) * | 2015-10-14 | 2016-01-06 | 深圳市元征科技股份有限公司 | A kind of audio frequency transmission method and device |
| CN105430203A (en) * | 2014-08-19 | 2016-03-23 | 中兴通讯股份有限公司 | Method and device for making Bluetooth earphone redial last code, and terminal comprising the device |
| EP2750026A3 (en) * | 2012-12-28 | 2017-06-21 | Alpine Electronics, Inc. | Audio device and storage medium |
| CN111739504A (en) * | 2020-05-29 | 2020-10-02 | 长城汽车股份有限公司 | Microphone system, control method and vehicle |
-
2009
- 2009-11-10 CN CN2009202469367U patent/CN201557160U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2750026A3 (en) * | 2012-12-28 | 2017-06-21 | Alpine Electronics, Inc. | Audio device and storage medium |
| CN103745720A (en) * | 2013-12-25 | 2014-04-23 | 安徽科大讯飞信息科技股份有限公司 | Bluetooth system with voice recognition |
| CN105430203A (en) * | 2014-08-19 | 2016-03-23 | 中兴通讯股份有限公司 | Method and device for making Bluetooth earphone redial last code, and terminal comprising the device |
| CN105228094A (en) * | 2015-10-14 | 2016-01-06 | 深圳市元征科技股份有限公司 | A kind of audio frequency transmission method and device |
| CN111739504A (en) * | 2020-05-29 | 2020-10-02 | 长城汽车股份有限公司 | Microphone system, control method and vehicle |
| WO2021239044A1 (en) * | 2020-05-29 | 2021-12-02 | 长城汽车股份有限公司 | Microphone system, control method and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Detianquan Electrical and Mechanical Equipment Co.,Ltd. Assignor: Bai Yunfei Contract record no.: 2012990000347 Denomination of utility model: Vehicle-mounted Bluetooth hands-free controller supporting voice command Granted publication date: 20100818 License type: Exclusive License Record date: 20120524 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Beijing Detianquan Electrical and Mechanical Equipment Co.,Ltd. Assignor: Bai Yunfei Contract record no.: 2012990000347 Date of cancellation: 20130916 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |