CN215341939U - System for realizing vehicle control based on sound source positioning - Google Patents
System for realizing vehicle control based on sound source positioning Download PDFInfo
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- CN215341939U CN215341939U CN202120538745.9U CN202120538745U CN215341939U CN 215341939 U CN215341939 U CN 215341939U CN 202120538745 U CN202120538745 U CN 202120538745U CN 215341939 U CN215341939 U CN 215341939U
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Abstract
The utility model relates to a system for realizing vehicle control based on sound source positioning, which comprises a main control unit and a voice pickup unit, wherein the voice pickup unit is used for picking up voice information, and the signal output end of the voice pickup unit is connected with a voice assistant unit; the voice assistant unit is used for identifying sound source positioning and voice instructions, and the signal output end of the voice assistant unit is connected with the main control unit; and the central control unit is used for controlling according to the voice instruction information and the sound source positioning information output by the main control unit, and the signal input end of the central control unit is connected with the main control unit. The utility model can realize the sound source positioning of the main driving and the auxiliary driving, and distinguish the main driving area and the auxiliary driving area for the control of the central control unit, thereby being more convenient for drivers and passengers to use.
Description
Technical Field
The utility model relates to a system for realizing vehicle control based on sound source positioning.
Background
The central control unit relates to the function control of vehicle window lifting, air conditioner temperature regulation and the like, and can adopt voice control. In the prior art, the voice control of the central control unit can only realize voice recognition, but cannot realize sound source positioning, and the main driving and the auxiliary driving cannot be distinguished by the vehicle window lifting and air conditioner temperature regulation control, so that inconvenience is brought to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a system for realizing vehicle control based on sound source positioning, which can realize the sound source positioning of main driving and auxiliary driving, distinguish the main driving area and the auxiliary driving area for the control of a central control unit and is more convenient for drivers and passengers to use.
The technical scheme for realizing the purpose of the utility model is as follows:
a system for realizing vehicle control based on sound source positioning comprises a main control unit,
further comprising:
the voice pickup unit is used for picking up voice information, and the signal output end of the voice pickup unit is connected with the voice assistant unit;
the voice assistant unit is used for identifying sound source positioning and voice instructions, and the signal output end of the voice assistant unit is connected with the main control unit;
and the central control unit is used for controlling according to the voice instruction information and the sound source positioning information output by the main control unit, and the signal input end of the central control unit is connected with the main control unit.
Further, the voice assistant unit comprises a voice processing module, a sound source positioning module and a voice recognition module,
the first signal output end of the voice processing module is connected with the voice recognition module, the second signal output end of the voice processing module is connected with the sound source positioning module,
the sound source positioning module is used for recognizing voice awakening words, and the voice awakening words are used for recognizing sound source positioning; the signal output end of the sound source positioning module is connected with the voice recognition module;
the voice recognition module is used for recognizing a voice instruction and sending voice recognition instruction information and sound source positioning information to the main control unit, and the signal output end of the voice recognition module is connected with the main control unit.
Further, the voice assistant unit comprises a noise reduction module, and the signal output end of the noise reduction module is connected with the voice processing module.
And furthermore, the system comprises a loudspeaker, wherein the loudspeaker is used for playing automobile central control information, and the signal input end of the loudspeaker is connected with the main control unit.
Furthermore, the voice pickup unit adopts 2 microphones, and 1 microphone is respectively arranged at the positions corresponding to the main driving position and the auxiliary driving position.
Further, the central control unit is used for controlling an air conditioner, a window or a door on the main driving side or the auxiliary driving side.
The utility model has the following beneficial effects:
the voice information processing device comprises a voice pickup unit, a voice processing unit and a voice processing unit, wherein the voice pickup unit is used for picking up voice information, and the signal output end of the voice pickup unit is connected with a voice assistant unit; the voice assistant unit is used for identifying sound source positioning and voice instructions, and the signal output end of the voice assistant unit is connected with the main control unit; and the central control unit is used for controlling according to the voice instruction information and the sound source positioning information output by the main control unit, and the signal input end of the central control unit is connected with the main control unit. The voice assistant unit can realize the sound source positioning of the main driving and the auxiliary driving, and the control of the central control unit distinguishes the main driving area and the auxiliary driving area, thereby being more convenient for drivers and passengers to use.
The voice assistant unit comprises a voice processing module, a sound source positioning module and a voice recognition module, wherein a first signal output end of the voice processing module is connected with the voice recognition module, a second signal output end of the voice processing module is connected with the sound source positioning module, the sound source positioning module is used for recognizing voice awakening words, and the voice awakening words are used for recognizing sound source positioning; the signal output end of the sound source positioning module is connected with the voice recognition module; the voice recognition module is used for recognizing a voice instruction and sending voice recognition instruction information and sound source positioning information to the main control unit, and the signal output end of the voice recognition module is connected with the main control unit. According to the utility model, sound source positioning is realized through the voice awakening words, the voice instruction is effectively simplified, main driving and auxiliary driving are not required to be added in the voice instruction, and the positioning accuracy is effectively ensured. The utility model realizes the control of the central control unit through the voice recognition instruction information and the sound source positioning information, realizes the control of the central control unit to distinguish the main driving area and the auxiliary driving area, is more convenient for drivers and passengers to use, and ensures the accuracy of voice control.
The voice assistant unit comprises a noise reduction module, the signal output end of the noise reduction module is connected with the voice processing module, the voice pickup unit adopts 2 microphones, and 1 microphone is respectively arranged at the positions corresponding to the main driving position and the auxiliary driving position. The utility model processes the voice signals through the noise reduction module, and respectively collects the voice signals of the main driver and the auxiliary driver through 2 microphones, thereby ensuring the quality of voice signal collection and further ensuring the accuracy of voice control.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
As shown in fig. 1, the system comprises a main control unit, and the main control unit is implemented by using an MCU of a main audio unit of an automobile. The voice pickup unit is used for picking up voice information, and the signal output end of the voice pickup unit is connected with the voice assistant unit. In implementation, the voice pickup unit adopts 2 microphones 1, and 1 microphone is respectively arranged at the positions corresponding to the main driving position and the auxiliary driving position.
The voice assistant unit is used for identifying sound source positioning and voice instructions, and the signal output end of the voice assistant unit is connected with the main control unit. When the voice assistant unit is implemented, the voice assistant unit comprises a voice processing module, a sound source positioning module and a voice recognition module, wherein a first signal output end of the voice processing module is connected with the voice recognition module, a second signal output end of the voice processing module is connected with the sound source positioning module, the sound source positioning module is used for recognizing voice awakening words, and the voice awakening words are used for recognizing sound source positioning; the signal output end of the sound source positioning module is connected with the voice recognition module; the voice recognition module is used for recognizing a voice instruction and sending voice recognition instruction information and sound source positioning information to the main control unit, and the signal output end of the voice recognition module is connected with the main control unit. The voice assistant unit comprises a noise reduction module, and the signal output end of the noise reduction module is connected with the voice processing module.
The intelligent control system comprises a central control unit (vehicle control module) for controlling according to voice instruction information and sound source positioning information output by a main control unit, wherein the signal input end of the central control unit is connected with the main control unit through a CAN (controller area network) circuit. The central control unit is used for controlling an air conditioner, a window or a door on the main driving side or the auxiliary driving side.
The automobile central control system comprises a loudspeaker, wherein the loudspeaker is used for playing automobile central control information, and a signal input end of the loudspeaker is connected with a main control unit.
When the automobile window opening device works, a main driving position or a secondary driving position starts to speak, a wakeup word is spoken firstly, such as 'tiger hello', and then an instruction 'window opening' is spoken. The audio signal is transmitted to the voice processing module after being subjected to noise processing by the noise reduction module. The voice processing module sends the voice signal of the awakening word to the sound source positioning module, and the sound source positioning module analyzes the channel position (sound source positioning information) and sends the channel position to the voice recognition module. The voice processing module sends the instruction audio signal to the voice recognition module, and the voice recognition module recognizes and analyzes the voice instruction. The voice recognition module sends the voice recognition instruction information and the sound source positioning information to the main control unit, and the main control unit transmits the control signal to the central control unit (vehicle control module) through the CAN line. After the CAN signal is received by the vehicle control module, if the driving position of the driver is found to be open, the main driving window is opened, a command is executed and fed back to be executed when the condition is met, a corresponding state signal is fed back to the main control unit MCU when the condition is not met, and the MCU makes a corresponding prompt through the loudspeaker according to the feedback of the signal (if the main driving window is opened).
Claims (6)
1. The utility model provides a system for realize car accuse based on sound localization, includes the main control unit, its characterized in that still includes:
the voice pickup unit is used for picking up voice information, and the signal output end of the voice pickup unit is connected with the voice assistant unit;
the voice assistant unit is used for identifying sound source positioning and voice instructions, and the signal output end of the voice assistant unit is connected with the main control unit;
and the central control unit is used for controlling according to the voice instruction information and the sound source positioning information output by the main control unit, and the signal input end of the central control unit is connected with the main control unit.
2. The system for implementing vehicle control based on sound source localization as claimed in claim 1, wherein the voice assistant unit comprises a voice processing module, a sound source localization module, and a voice recognition module,
the first signal output end of the voice processing module is connected with the voice recognition module, the second signal output end of the voice processing module is connected with the sound source positioning module,
the sound source positioning module is used for recognizing voice awakening words, and the voice awakening words are used for recognizing sound source positioning; the signal output end of the sound source positioning module is connected with the voice recognition module;
the voice recognition module is used for recognizing a voice instruction and sending voice recognition instruction information and sound source positioning information to the main control unit, and the signal output end of the voice recognition module is connected with the main control unit.
3. The system for realizing vehicle control based on sound source localization according to claim 2, wherein: the voice assistant unit comprises a noise reduction module, and the signal output end of the noise reduction module is connected with the voice processing module.
4. The system for realizing vehicle control based on sound source localization according to claim 1, wherein: the automobile central control system comprises a loudspeaker, wherein the loudspeaker is used for playing automobile central control information, and a signal input end of the loudspeaker is connected with a main control unit.
5. The system for realizing vehicle control based on sound source localization according to claim 1, wherein: the voice pickup unit adopts 2 microphones, and 1 microphone is respectively arranged at the position corresponding to the main driving position and the auxiliary driving position.
6. The system for implementing vehicle control based on sound source localization according to any of claims 1 to 5, wherein: the central control unit is used for controlling an air conditioner, a window or a door on the main driving side or the auxiliary driving side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120538745.9U CN215341939U (en) | 2021-03-16 | 2021-03-16 | System for realizing vehicle control based on sound source positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120538745.9U CN215341939U (en) | 2021-03-16 | 2021-03-16 | System for realizing vehicle control based on sound source positioning |
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| Publication Number | Publication Date |
|---|---|
| CN215341939U true CN215341939U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120538745.9U Active CN215341939U (en) | 2021-03-16 | 2021-03-16 | System for realizing vehicle control based on sound source positioning |
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| Country | Link |
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| CN (1) | CN215341939U (en) |
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2021
- 2021-03-16 CN CN202120538745.9U patent/CN215341939U/en active Active
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