CN103424123A - Speech control vehicle-mounted navigation system - Google Patents
Speech control vehicle-mounted navigation system Download PDFInfo
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- CN103424123A CN103424123A CN2013103040487A CN201310304048A CN103424123A CN 103424123 A CN103424123 A CN 103424123A CN 2013103040487 A CN2013103040487 A CN 2013103040487A CN 201310304048 A CN201310304048 A CN 201310304048A CN 103424123 A CN103424123 A CN 103424123A
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Abstract
The invention discloses a speech control vehicle-mounted navigation system which comprises a central processing unit, a data bus receiving and dispatching module, a GPS (global position system) module, a speech input module, an A/D conversion module, a signal preprocessing module, a characteristic vector extracting module, a speech recognition module and an I2C controller, wherein the GPS module receives a GPS signal to generate position information and has data communication with the central processing unit through the data bus receiving and dispatching module; the speech signal received by the speech input module is converted into a digital signal via the A/D conversion module and stored through the signal preprocessing module; the characteristic vector extracting module selects characteristic vector parameters from short-time speech frame, delivers the characteristic vector parameters to the speech recognition module for judgment, and outputs the recognition result to the I2C controller, so that the speech control of the vehicle-mounted navigation system by a driver is realized, driving is not affected while the navigation operation is performed, more time of the driver is saved, and convenience and practicality are realized.
Description
Technical field
The present invention relates to the vehicle mounted guidance technical field, relate in particular to a kind of voice-operated onboard navigation system.
Background technology
In recent years, domestic vehicle mounted guidance industry development was rapid, and popularity rate improves greatly, and technology and function are also more and more perfect.Present vehicle mounted guidance is in operation, and the driver is operated by button, is generally first to start shooting, then find category of roads, then input destination and searched for, when carrying out the destination search, on touch screen, the place name of input destination, finally determined.Yet, this mode of operation, the driver will spend the plenty of time operation, can't when driving, be operated simultaneously, and carrying out manual operation when driving has very large danger, therefore, to the driver, has brought inconvenience.
Summary of the invention
The object of the invention is to provides a kind of voice-operated onboard navigation system for the deficiencies in the prior art.
Purpose of the present invention realizes by following technical measures: a kind of voice-operated onboard navigation system, it comprises central processing unit, data bus transceiver module and GPS module, described GPS module receives gps signal and generates positional information, carry out data communication by described data bus transceiver module and described central processing unit, also comprise voice input module, the A/D modular converter, signal pre-processing module, the eigenvector extraction module, sound identification module and I2C controller, described voice input module, described A/D modular converter, described signal pre-processing module, described eigenvector extraction module, described sound identification module is connected with described central processing unit by described data bus transceiver module successively with described I2C controller, the voice signal that described voice input module receives after described A/D modular converter converts digital signal to by described signal pre-processing module and store, described eigenvector extraction module selective extraction character vector from the Short Time Speech frame is sent described sound identification module to and is differentiated and export recognition result to described I2C controller.
Furthermore, in above-mentioned voice-operated onboard navigation system, described voice input module is set to microphone.
Furthermore, in above-mentioned voice-operated onboard navigation system, described central processing unit is connected with FLASH storer and SDRAM storer.
Furthermore, in above-mentioned voice-operated onboard navigation system, also comprise audio processing modules and note amplifier, described audio processing modules is connected with described central processing unit by described data bus transceiver module, and described note amplifier connects described audio processing modules.
Furthermore, in above-mentioned voice-operated onboard navigation system, also comprise electric resistance touch screen and I2C controller, described electric resistance touch screen is connected with described central processing unit by described I2C controller.
Furthermore, in above-mentioned voice-operated onboard navigation system, also comprise TFT display, driver module and video channel modular converter, described TFT display is connected with described central processing unit with described video channel modular converter by described driver module successively.
Furthermore, in above-mentioned voice-operated onboard navigation system, also comprise dma controller, described dma controller is connected with described data bus transceiver module.
Furthermore, in above-mentioned voice-operated onboard navigation system, also comprise radio reception module, bluetooth module and DVD module, described radio reception module, described bluetooth module and described DVD module are connected with described audio processing modules with described data bus transceiver module respectively.
Beneficial effect of the present invention is: voice input module of the present invention receives driver's voice signal, again after the A/D modular converter converts digital signal to by signal pre-processing module and store, eigenvector extraction module selective extraction character vector from the Short Time Speech frame is sent sound identification module to and is differentiated and export recognition result to the I2C controller, realize that the driver controls the voice of onboard navigation system, do not affect driving when navigating operation, also saved the more time of driver, convenient and practical.
The accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, there is shown a kind of voice-operated onboard navigation system, it comprises central processing unit 1, the data bus transceiver module 2 for data transmission, GPS module 3, voice input module 4, A/D modular converter 5, signal pre-processing module 6, eigenvector extraction module 7, sound identification module 8 and I2C controller 9.GPS module 3 receives gps signal and generates positional information, carry out data communication by data bus transceiver module 2 and central processing unit 1, voice input module 4, A/D modular converter 5, signal pre-processing module 6, eigenvector extraction module 7, sound identification module 8 and I2C controller 9 are connected with central processing unit 1 by data bus transceiver module 2 successively.
Wherein, voice input module 4 is set to microphone, and it carries out data sampling with certain frequency.6 pairs of signals of signal pre-processing module carry out high-frequency compensation work, and general step has pre-emphasis, minute loyal windowing and end-point detection etc.Eigenvector extraction module 7 is the selective extraction character vector from the Short Time Speech frame.Sound identification module 8 is differentiated the template in character vector and feature templates storehouse relatively and is exported recognition result.I2C controller 9 becomes phonetic entry into the I2C data bus after by a series of conversions and is input to central processing unit 1, and central processing unit 1 is realized corresponding function after sending corresponding instruction.
During work, the voice signal that voice input module 4 receives after A/D modular converter 5 converts digital signal to by signal pre-processing module 6 and store, eigenvector extraction module 7 extraction character vectors are sent sound identification module 8 to and are differentiated and export recognition result to I2C controller 9, realization realizes that the driver controls the voice of onboard navigation system, do not affect driving when navigating operation, also saved the more time of driver, convenient and practical.
Central processing unit 1 is connected with FLASH storer 10 and SDRAM storer 11, and FLASH storer 10 and SDRAM storer 11 are carriers of general data and program in embedded system.
Onboard navigation system also comprises audio processing modules 12 and note amplifier 13, audio processing modules 12 is connected with central processing unit 1 by data bus transceiver module 2, audio processing modules 12 connects note amplifier 13, and note amplifier 13 connects loudspeaker, for speech play.
Onboard navigation system also comprises electric resistance touch screen 22 and I2C controller 14, and electric resistance touch screen 22 is connected with central processing unit 1 by I2C controller 14.
Onboard navigation system also comprises TFT display 15, driver module 16 and video channel modular converter 17, and TFT display 15 is connected with central processing unit 1 with video channel modular converter 17 by driver module 16 successively.
Onboard navigation system also comprises dma controller 18, and dma controller 18 is connected with data bus transceiver module 2, and dma controller 18 conducts interviews to the storer in system and register by its high performance bus master port (Master Interface).
Onboard navigation system also comprises radio reception module 19, bluetooth module 20 and DVD module 21, and radio reception module 19, bluetooth module 20 and DVD module 21 are connected with audio processing modules 12 with data bus transceiver module 2 respectively, and diverse in function strengthens recreational.
Finally should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention, but not to the restriction of patent claim of the present invention, although with reference to preferred embodiment, the present invention has been done to explain, those of ordinary skill in the art is to be understood that, the equivalence of doing according to the described structure of patent claim of the present invention, feature and principle therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (8)
1. a voice-operated onboard navigation system, comprise central processing unit (1), data bus transceiver module (2) and GPS module (3), described GPS module (3) receives gps signal and generates positional information, carry out data communication by described data bus transceiver module (2) and described central processing unit (1), it is characterized in that: also comprise voice input module (4), A/D modular converter (5), signal pre-processing module (6), eigenvector extraction module (7), sound identification module (8) and I2C controller (9), described voice input module (4), described A/D modular converter (5), described signal pre-processing module (6), described eigenvector extraction module (7), described sound identification module (8) is connected with described central processing unit (1) by described data bus transceiver module (2) successively with described I2C controller (9), the voice signal that described voice input module (4) receives after described A/D modular converter (5) converts digital signal to by described signal pre-processing module (6) and store, described eigenvector extraction module (7) selective extraction character vector from the Short Time Speech frame is sent described sound identification module (8) to and is differentiated and export recognition result to described I2C controller (9).
2. a kind of voice-operated onboard navigation system according to claim 1, it is characterized in that: described voice input module (4) is set to microphone.
3. a kind of voice-operated onboard navigation system according to claim 1, it is characterized in that: described central processing unit (1) is connected with FLASH storer (10) and SDRAM storer (11).
4. a kind of voice-operated onboard navigation system according to claim 1, it is characterized in that: also comprise audio processing modules (12) and note amplifier (13), described audio processing modules (12) is connected with described central processing unit (1) by described data bus transceiver module (2), and described note amplifier (13) connects described audio processing modules (12).
5. a kind of voice-operated onboard navigation system according to claim 1, it is characterized in that: also comprise electric resistance touch screen (22) and I2C controller (14), described electric resistance touch screen (22) is connected with described central processing unit (1) by described I2C controller (14).
6. a kind of voice-operated onboard navigation system according to claim 1, it is characterized in that: also comprise TFT display (15), driver module (16) and video channel modular converter (17), described TFT display (15) is connected with described central processing unit (1) with described video channel modular converter (17) by described driver module (16) successively.
7. a kind of voice-operated onboard navigation system according to claim 1, it is characterized in that: also comprise dma controller (18), described dma controller (18) is connected with described data bus transceiver module (2).
8. a kind of voice-operated onboard navigation system according to claim 4, it is characterized in that: also comprise radio reception module (19), bluetooth module (20) and DVD module (21), described radio reception module (19), described bluetooth module (20) and described DVD module (21) are connected with described audio processing modules (12) with described data bus transceiver module (2) respectively.
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| CN2013103040487A CN103424123A (en) | 2013-07-17 | 2013-07-17 | Speech control vehicle-mounted navigation system |
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| CN2013103040487A CN103424123A (en) | 2013-07-17 | 2013-07-17 | Speech control vehicle-mounted navigation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105279151A (en) * | 2014-06-08 | 2016-01-27 | 上海能感物联网有限公司 | Controller device for Chinese language speech site self-navigation and car driving |
| CN105320649A (en) * | 2014-06-08 | 2016-02-10 | 上海能感物联网有限公司 | Controller device for remotely and automatically navigating and driving automobile through Chinese text |
| CN108538044A (en) * | 2018-04-09 | 2018-09-14 | 中冶建工集团有限公司 | A kind of anti-fall climb-aiding device speech remote controller |
| CN108615351A (en) * | 2018-04-09 | 2018-10-02 | 中冶建工集团有限公司 | A kind of anti-fall climb-aiding device voice remote control method |
| CN113460071A (en) * | 2021-09-02 | 2021-10-01 | 南京越然汽车用品有限公司 | Vehicle-mounted navigation system adopting voice control |
-
2013
- 2013-07-17 CN CN2013103040487A patent/CN103424123A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105279151A (en) * | 2014-06-08 | 2016-01-27 | 上海能感物联网有限公司 | Controller device for Chinese language speech site self-navigation and car driving |
| CN105320649A (en) * | 2014-06-08 | 2016-02-10 | 上海能感物联网有限公司 | Controller device for remotely and automatically navigating and driving automobile through Chinese text |
| CN108538044A (en) * | 2018-04-09 | 2018-09-14 | 中冶建工集团有限公司 | A kind of anti-fall climb-aiding device speech remote controller |
| CN108615351A (en) * | 2018-04-09 | 2018-10-02 | 中冶建工集团有限公司 | A kind of anti-fall climb-aiding device voice remote control method |
| CN113460071A (en) * | 2021-09-02 | 2021-10-01 | 南京越然汽车用品有限公司 | Vehicle-mounted navigation system adopting voice control |
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Inventor after: Wang Xiang Inventor before: Hou Yu |
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Effective date of registration: 20131227 Address after: 523000, room 605, Xingye finance building, 31 Tai Wan Road, Nancheng, Dongguan, Guangdong Applicant after: DONGGUAN JINWO ELECTRONIC CO., LTD. Address before: 523000, room 605, Xingye finance building, 31 Tai Wan Road, Nancheng, Dongguan, Guangdong Applicant before: Hou Yu |
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Application publication date: 20131204 |