CN106899617B - Car chat system based on V2X technology - Google Patents
Car chat system based on V2X technology Download PDFInfo
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- CN106899617B CN106899617B CN201510934546.9A CN201510934546A CN106899617B CN 106899617 B CN106899617 B CN 106899617B CN 201510934546 A CN201510934546 A CN 201510934546A CN 106899617 B CN106899617 B CN 106899617B
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- vehicle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0247—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for microphones or earphones
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/005—Language recognition
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
Abstract
The invention relates to a vehicle chat system based on a V2X technology, which comprises a vehicle-mounted microphone, a vehicle-mounted loudspeaker, a voice recognition processor, a voice compressor, a vehicle-mounted data processor and a vehicle-mounted V2X communicator, wherein the vehicle-mounted microphone is respectively connected with the voice recognition processor and the voice compressor, the vehicle-mounted loudspeaker is connected with the vehicle-mounted data processor, and the voice recognition processor, the voice compressor and the vehicle-mounted data processor are respectively connected with the vehicle-mounted V2X communicator. Compared with the prior art, the invention can provide short-distance free voice communication between vehicles and has the advantages of convenient communication and exchange, good safety, strong adaptability, wide application and the like.
Description
Technical Field
The invention relates to a chat system, in particular to a vehicle chat system based on a V2X technology.
Background
Nowadays, more and more automobiles go into thousands of households, and besides automobile safety, communication between automobiles is also becoming more and more important slowly. In the traditional chat mode, people often like to call by mobile phones, when the two parties are far away, the mobile phones are used for calling, but when the two parties are near away, the mobile phones are not economical.
V2X (Vehicle to X) is a short-distance communication mode of 802.11P protocol based on wifi, its working frequency is 5.9Ghz, its transmission distance can reach 1 km, it is a short-distance transmission mechanism specially customized for vehicle-mounted communication. At present, V2X technology is fully applied mainly in the aspect of safety, but no corresponding application exists in the aspect of voice communication, and the scheme fills the blank in the aspect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the vehicle-to-vehicle chatting system based on the V2X technology, which can provide short-distance free voice communication between vehicles and has the advantages of convenience in communication and communication, good safety, strong adaptability, wide application and the like.
The aim of the invention can be achieved by the following technical scheme:
the vehicle chatting system based on the V2X technology comprises a vehicle-mounted microphone, a vehicle-mounted loudspeaker, a voice recognition processor, a voice compressor, a vehicle-mounted data processor and a vehicle-mounted V2X communicator, wherein the vehicle-mounted microphone is respectively connected with the voice recognition processor and the voice compressor, the vehicle-mounted loudspeaker is connected with the vehicle-mounted data processor, and the voice recognition processor, the voice compressor and the vehicle-mounted data processor are respectively connected with the vehicle-mounted V2X communicator.
The vehicle-mounted microphone collects voice original signals, the voice recognition processor and the voice compressor do not work at the same time, the voice recognition processor receives the voice original signals sent by the vehicle-mounted microphone and then converts the voice original signals into text formats, the voice compressor receives the voice original signals sent by the vehicle-mounted microphone and then compresses the voice original signals, the V2X communicator transmits the text formats sent by the voice recognition processor or the compressed voice original signals sent by the voice compressor to other vehicles, meanwhile, the V2X communicator transmits the text formats transmitted by other vehicles or the compressed voice original signals to the vehicle-mounted data processor, the vehicle-mounted data processor converts the text formats or the compressed voice original signals into voice original signals and then transmits the voice original signals to the vehicle-mounted loudspeaker, and the vehicle-mounted loudspeaker carries out sounding on the voice original signals.
The voice recognition system further comprises a communication mode change-over switch and a communication safety recognizer which are connected, wherein the communication mode change-over switch is respectively connected with the voice recognition processor and the voice compressor.
The communication safety identifier is a vehicle-mounted camera or a vehicle-mounted distance sensor, the number of vehicles around the current vehicle is identified through the vehicle-mounted camera or the vehicle-mounted distance sensor, if the number of the vehicles is larger than or equal to a set value, the communication safety identifier controls the voice recognition processor to work through the communication mode change-over switch, and if the number of the vehicles is smaller than the set value, the communication safety identifier controls the voice compressor to work through the communication mode switch.
The set value satisfies the following formula: set value = number of vehicles in communication with the current vehicle +1.
The voice recognition processor is connected with a voice feature data memory for storing voice features.
The vehicle-mounted V2X communicators of different vehicles are connected in a wireless manner through a DSRC (Dedicated Short Range Communications, dedicated short-range communication technology) network.
The vehicle-mounted microphone is provided with at least one microphone.
The vehicle-mounted loudspeaker is at least provided with one loudspeaker.
Compared with the prior art, the invention has the following advantages:
1) The system establishes communication connection between vehicles through the V2X communicator, the vehicle-mounted microphone, the voice recognition processor and the voice compressor realize voice acquisition, the vehicle-mounted data processor and the vehicle-mounted loudspeaker realize voice acquisition, short-distance free voice communication between vehicles can be provided, and communication of drivers in places such as motorcades and traffic jams are facilitated.
2) With the advent of V2X technology, the system of the present invention utilizes V2X communicators to establish connection with DSRC networks, and fully utilizes V2X technology, so that vehicles can communicate with each other, and has advantages of free use, safe conversation, etc.
3) The system realizes automatic switching of two communication modes by utilizing the communication mode change-over switch and the communication safety identifier, the communication mode based on the voice compressor directly transmits real voice, the data processing amount is relatively small, the safety is relatively low, the communication mode based on the voice recognition processor transmits text converted by voice, the data processing amount is relatively large, and the safety is relatively high, so that the communication safety identifier can be used for identifying the safety of the vehicle running environment to intelligently select a proper communication mode, and the vehicle chat communication is more intelligent and environment-friendly.
4) The voice characteristic data storage used for storing voice characteristics is arranged, so that the voice recognition processor can be ensured to successfully recognize different local languages besides one or more official languages, and the user experience is better.
5) The vehicle-mounted microphone and the vehicle-mounted loudspeaker are at least provided with one, so that the chat requirement among multiple users between vehicles can be met, and the practicability is good.
6) The system can be realized by means of the existing hardware resources without increasing subsequent hardware cost, for example, the system is directly integrated in a vehicle-mounted entertainment system, and hardware such as a vehicle-mounted microphone, a vehicle-mounted loudspeaker and the like of the vehicle-mounted entertainment system is directly utilized, so that the system has strong practicability and wide application range.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic flow chart of the system for realizing chat of vehicles based on a voice compressor;
fig. 3 is a schematic flow chart of the system for realizing chat of vehicles based on the voice recognition processor.
In the figure: 1. the system comprises a vehicle microphone, a vehicle speaker, a voice recognition processor, a voice compressor, a vehicle data processor, a vehicle V2X communicator, a communication mode change-over switch, a communication safety identifier, a DSRC network and a voice characteristic data storage.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
As shown in fig. 1, a car chat system based on V2X technology includes a car microphone 1, a car speaker 2, a voice recognition processor 3, a voice compressor 4, a car data processor 5, a car V2X communicator 6, a communication mode switch 7 and a communication safety recognizer 8, the car microphone 1 is connected with the voice recognition processor 3 and the voice compressor 4 respectively, the car speaker 2 is connected with the car data processor 5, the voice recognition processor 3, the voice compressor 4 and the car data processor 5 are connected with the car V2X communicator 6 respectively, the communication mode switch 7 is connected with the communication safety recognizer 8, the communication mode switch 7 is connected with the voice recognition processor 3 and the voice compressor 4 respectively, and the car V2X communicators 6 of different vehicles are connected wirelessly through a DSRC network 9, thereby establishing a car chat communication connection, the car V2X communicator 6 is an existing communicator supporting V2X technology, wherein:
the communication safety identifier 8 is a vehicle-mounted camera or a vehicle-mounted distance sensor, the number of vehicles around the current vehicle is identified through the vehicle-mounted camera or the vehicle-mounted distance sensor, if the number of vehicles is larger than or equal to a set value, the communication safety identifier 8 controls the voice recognition processor 3 to work through the communication mode change-over switch 7, and if the number of vehicles is smaller than the set value, the communication safety identifier 8 controls the voice compressor 4 to work through the communication mode switch, and the set value satisfies the following formula: set value = number of vehicles in communication with the current vehicle +1, i.e. when a suspicious, non-communicating vehicle is present around the current vehicle, it is determined that the communication environment of the current vehicle is unsafe.
The voice recognition processor 3 is connected with a voice feature data memory 10 for storing voice features, so that the recognition capability of the voice recognition processor 3 is enhanced, the smooth proceeding of voice recognition is ensured, and the voice reduction degree after transmission is higher.
At least one vehicle-mounted microphone 1 and at least one vehicle-mounted loudspeaker 2 are arranged, so that the chat requirement among multiple users among vehicles can be met, multiple communication tasks are processed in parallel, and time delay is reduced.
As shown in fig. 2, the communication process for realizing the chat of the vehicle based on the voice compressor 4 is as follows:
1) When a vehicle where a user A is located and a vehicle where a user B is located establish chat connection, in the vehicle where the user A is located, voice of the user A is collected by the vehicle-mounted microphone 1, meanwhile, the communication safety identifier 8 detects the communication safety of the vehicle in real time, when the communication safety is judged to be safe, the communication safety identifier 8 controls the voice compressor 4 to work through the communication mode change-over switch 7, the voice compressor 4 receives the voice original signal sent by the vehicle-mounted microphone 1 and compresses the voice original signal, and the vehicle-mounted V2X communicator 6 transmits the compressed voice original signal sent by the voice compressor 4 to the vehicle where the user B is located;
2) In the vehicle where the user B is located, the vehicle-mounted V2X communicator 6 transmits the compressed voice original signal transmitted by the vehicle where the user a is located to the vehicle-mounted data processor 5, the vehicle-mounted data processor 5 converts the compressed voice original signal into the voice original signal and transmits the voice original signal to the vehicle-mounted speaker 2, and the vehicle-mounted speaker 2 speaks the voice original signal, so that the user B can hear the voice of the user a, and similarly, the user a can hear the voice of the user B through the above manner. The communication process can rapidly transmit undistorted voice.
As shown in fig. 3, the communication process for implementing car chat based on the voice recognition processor 3 is as follows:
1) When a vehicle where a user A is located and a vehicle where a user B is located establish chat connection, in the vehicle where the user A is located, voice of the user A collects voice original signals through the vehicle-mounted microphone 1, meanwhile, the communication safety identifier 8 detects the communication safety of the vehicle in real time, when the communication safety is judged to be unsafe, the communication safety identifier 8 controls the voice recognition processor 3 to work through the communication mode change-over switch 7, the voice recognition processor 3 receives the voice original signals sent by the vehicle-mounted microphone 1 and then converts the voice original signals into text formats, and the vehicle-mounted V2X communicator 6 transmits the text formats sent by the voice recognition processor 3 to the vehicle where the user B is located;
2) In the vehicle where the user B is located, the vehicle-mounted V2X communicator 6 transmits the text format transmitted by the vehicle where the user a is located to the vehicle-mounted data processor 5, the vehicle-mounted data processor 5 converts the text format into a voice original signal and transmits the voice original signal to the vehicle-mounted speaker 2, the vehicle-mounted speaker 2 speaks the voice original signal, so that the user B can hear the voice of the user a, and similarly, the user a can hear the voice of the user B in the manner described above. The communication process may transmit speech quickly, but the transmitted speech is not actual speech.
Claims (7)
1. The vehicle chat system based on the V2X technology is characterized by comprising a vehicle microphone (1), a vehicle-mounted loudspeaker (2), a voice recognition processor (3), a voice compressor (4), a vehicle-mounted data processor (5) and a vehicle-mounted V2X communicator (6), wherein the vehicle-mounted microphone (1) is respectively connected with the voice recognition processor (3) and the voice compressor (4), the vehicle-mounted loudspeaker (2) is connected with the vehicle-mounted data processor (5), and the voice recognition processor (3), the voice compressor (4) and the vehicle-mounted data processor (5) are respectively connected with the vehicle-mounted V2X communicator (6);
the vehicle-mounted microphone (1) collects voice original signals, the voice recognition processor (3) and the voice compressor (4) do not work at the same time and work alternatively based on the safety of the vehicle running environment, the voice recognition processor (3) receives the voice original signals sent by the vehicle-mounted microphone (1) and then converts the voice original signals into a text format, the voice compressor (4) receives the voice original signals sent by the vehicle-mounted microphone (1) and then compresses the voice original signals, the V2X communicator (6) transmits the text format sent by the voice recognition processor (3) or the compressed voice original signals sent by the voice compressor (4) to other vehicles, the V2X communicator (6) simultaneously transmits the text format or the compressed voice original signals transmitted by other vehicles to the vehicle-mounted data processor (5), the vehicle-mounted data processor (5) converts the text format or the compressed voice original signals into the voice original signals and then transmits the voice original signals to the vehicle-mounted loudspeaker (2), and the vehicle-mounted loudspeaker (2) sounds the voice original signals.
2. The vehicle chat system based on the V2X technology according to claim 1, further comprising a communication mode change-over switch (7) and a communication safety identifier (8) which are connected, wherein the communication mode change-over switch (7) is respectively connected with the voice recognition processor (3) and the voice compressor (4), the communication safety identifier (8) is a vehicle-mounted camera or a vehicle-mounted distance sensor, the number of vehicles around the current vehicle is recognized through the vehicle-mounted camera or the vehicle-mounted distance sensor, if the number of vehicles is larger than or equal to a set value, the communication safety identifier (8) controls the voice recognition processor (3) to work through the communication mode change-over switch (7), and if the number of vehicles is smaller than the set value, the communication safety identifier (8) controls the voice compressor (4) to work through the communication mode switch.
3. The vehicle chat system based on V2X technology according to claim 2, wherein the set values satisfy the following formula: set value = number of vehicles in communication with the current vehicle +1.
4. A car chat system based on V2X technology according to claim 1, characterized in that the speech recognition processor (3) is connected with a speech feature data memory (10) for storing speech features.
5. A car chat system based on V2X technology according to claim 1, characterized in that the car V2X communicators (6) of different vehicles are connected wirelessly via a DSRC network (9).
6. Vehicle chat system based on V2X technology according to claim 1, characterized in that the vehicle microphone (1) is provided with at least one.
7. A car chat system based on V2X technology according to claim 1, characterized in that the car speakers (2) are provided with at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510934546.9A CN106899617B (en) | 2015-12-15 | 2015-12-15 | Car chat system based on V2X technology |
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| CN201510934546.9A CN106899617B (en) | 2015-12-15 | 2015-12-15 | Car chat system based on V2X technology |
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| CN106899617A CN106899617A (en) | 2017-06-27 |
| CN106899617B true CN106899617B (en) | 2023-07-25 |
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| CN201510934546.9A Active CN106899617B (en) | 2015-12-15 | 2015-12-15 | Car chat system based on V2X technology |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107554456A (en) * | 2017-08-31 | 2018-01-09 | 上海博泰悦臻网络技术服务有限公司 | Vehicle-mounted voice control system and its control method |
| EP3567582A1 (en) | 2018-05-09 | 2019-11-13 | Volkswagen AG | Vehicle, apparatus, method and computer program for sharing sound data |
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| JP2005222193A (en) * | 2004-02-04 | 2005-08-18 | Denso Corp | Information system and in-vehicle information system |
| KR20100107800A (en) * | 2009-03-26 | 2010-10-06 | 명지대학교 산학협력단 | Communication system between vehicles and communication method therebetween |
| CN105120435A (en) * | 2009-03-31 | 2015-12-02 | 通用汽车环球科技运作公司 | Using V2X in-network session maintenance protocols to enable instant chatting applications |
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Address after: 215126 No. 123 Changyang street, Suzhou Industrial Park, Suzhou, Jiangsu. Applicant after: ANBOFU ELECTRONICS (SUZHOU) Co.,Ltd. Address before: 215126 No. 123 Changyang street, Suzhou Industrial Park, Suzhou, Jiangsu. Applicant before: Delphi Electronics (Suzhou) Co.,Ltd. |
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