CN116072141A - Vehicle-mounted communication system and method with voice recognition function - Google Patents
Vehicle-mounted communication system and method with voice recognition function Download PDFInfo
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0272—Voice signal separating
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/225—Feedback of the input speech
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to the technical field of wireless communication, in particular to an on-vehicle communication system with a voice recognition function, which comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the operation circuit is used for calculating dynamic parameters of the downlink audio signals and recognizing characters corresponding to the downlink audio signals, the operation circuit is also used for processing character information into character signals after recognizing the characters corresponding to the downlink audio signals and sending the character signals to the display driving circuit, the display driving circuit is used for displaying the character information corresponding to the character signals to a user on the display screen, the touch screen control circuit supports the user to feed back acknowledgement signals to the operation circuit, and the operation circuit is also used for receiving signals of the touch screen control circuit so as to confirm whether the recognized character information is correct.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a vehicle-mounted communication system with a voice recognition function and a method thereof.
Background
In the prior art, in order to determine the character identity of a certain speaking object, it is often necessary to convert audio into text before performing corresponding character separation and processing, for example, the related prior art patent document CN11627446a adopts such a technology, and this is very low in efficiency and not real-time.
Disclosure of Invention
The present invention is directed to an on-vehicle communication system with voice recognition function, so as to solve the problems set forth in the background art.
In order to solve the technical problems, the invention provides the following technical scheme:
on the one hand, the vehicle-mounted communication system with the voice recognition function comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is further used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is used for calculating dynamic parameters of the downlink audio signals and recognizing roles corresponding to the downlink audio signals, the operation circuit is further used for processing the role information into role signals and transmitting the role signals to the display driving circuit after recognizing the roles corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to users on the display screen, the touch screen control circuit is further used for supporting the user to feed back the operation signals to confirm whether the operation circuit is used for receiving the role information of the operation circuit.
Optionally, the touch screen control circuit supports a user to input a signal corresponding to the preset role information to the operation circuit, and the operation circuit is further configured to receive the signal corresponding to the preset role information of the touch screen control circuit and store the preset role information, where the preset role information includes a role name and an audio feature.
Optionally, calculating a dynamic parameter of the downlink audio signal and identifying a role corresponding to the downlink audio signal, including first identification of the role, where the first identification of the diagonal color includes judging a probability that the role corresponding to the downlink audio signal is a role of a name according to preset role information and sending a descending list of the role name probability corresponding to the downlink audio signal to the display driving circuit, and the display driving circuit displays the descending list of the role name probability corresponding to the downlink audio signal to a user on a display screen; the primary character recognition also comprises a touch screen control circuit which supports a user to feed back a confirmation signal aiming at a character name probability descending list corresponding to the downlink audio signal to an operation circuit.
Optionally, calculating dynamic parameters of the downlink audio signal and identifying a role corresponding to the downlink audio signal, including re-identifying the role, wherein the re-identifying the role includes judging the probability that the role corresponding to the downlink audio signal is a role of a certain name together according to a confirmation signal of a role name probability descending list corresponding to the downlink audio signal fed back by a user and preset role information, and re-descending the role name probability corresponding to the downlink audio signal, and the display driving circuit displays the re-descending list of the role name probability corresponding to the downlink audio signal to the user on a display screen; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit.
Optionally, the calculating the dynamic parameter of the downlink audio signal by the operation circuit specifically includes calculating a rate of change of the downlink audio signal.
Optionally, the device also comprises an antenna downlink circuit, a combiner circuit, a D/A circuit, an audio amplifying circuit and a loudspeaker, wherein the antenna downlink circuit and the combiner circuit are electrically connected, the combiner circuit and the D/A circuit are electrically connected with the baseband chip circuit, and the D/A circuit, the audio amplifying circuit and the loudspeaker are electrically connected in sequence; the antenna downlink circuit is used for collecting downlink radio frequency signals, the combiner is used for filtering, mixing, intermediate frequency filtering intermediate frequency amplification and intermediate frequency demodulation, the baseband chip circuit is used for processing baseband signals after downlink signal conversion, the D/A circuit is used for signal D/A conversion, the audio amplification circuit is used for amplifying audio signals after D/A conversion, and the loudspeaker is used for playing audio signals in a vehicle.
Optionally, the antenna comprises an antenna uplink circuit, a radio frequency processing circuit, an A/D circuit, an MIC amplifying circuit and a microphone, wherein the antenna uplink circuit and the radio frequency processing circuit are electrically connected, the radio frequency processing circuit and the A/D circuit are electrically connected with a baseband chip circuit, and the A/D circuit, the MIC amplifying circuit and the microphone are electrically connected in sequence; the microphone is used for collecting an audio uplink signal in a vehicle, the MIC amplifying circuit is used for amplifying the collected audio signal, the A/D circuit is used for converting the collected audio signal into a digital signal, the baseband chip circuit is used for processing the baseband signal after the uplink signal conversion, the radio frequency processing circuit is used for converting the baseband signal into a radio frequency signal, and the radio frequency processing circuit comprises intermediate frequency modulation, frequency mixing, radio frequency amplification, power amplification, high frequency filtering and frequency band coupling; the antenna uplink circuit is used for transmitting radio frequency signals.
Optionally, the baseband chip circuit, the sampling circuit and the operation circuit are integrated in a chip circuit; the display screen and the display driving circuit are integrated on a touch screen circuit board.
In another aspect, an on-vehicle communication method with a voice recognition function includes the steps of:
the baseband chip circuit transmits a downlink audio signal to the sampling circuit, the sampling circuit acquires the downlink audio signal and transmits the downlink audio signal to the operation circuit, the operation circuit calculates dynamic parameters of the downlink audio signal and identifies a role corresponding to the downlink audio signal, the operation circuit processes role information into role signals after identifying the role corresponding to the downlink audio signal and transmits the role signals to the display driving circuit, the display driving circuit displays the role information corresponding to the role signals to a user on a display screen, the user feeds back a confirmation signal to the operation circuit under the support of the touch screen control circuit, and the operation circuit also receives the signal of the touch screen control circuit to confirm whether the identified role information is correct; the preset character information comprises character names and audio characteristics.
Optionally, calculating dynamic parameters of the downlink audio signal and identifying a role corresponding to the downlink audio signal, including first identification of the role, and further including second identification of the role, where the first identification of the role includes determining, by preset role information, a probability that the role corresponding to the downlink audio signal is a role of a name, and sending the descending list of the probability of the name of the role corresponding to the downlink audio signal to the display driving circuit, where the display driving circuit displays the descending list of the probability of the name of the role corresponding to the downlink audio signal on a display screen; the first character recognition also comprises a touch screen control circuit which supports a user to feed back a confirmation signal aiming at a character name probability descending list corresponding to a downlink audio signal to an operation circuit; the re-identification of the roles comprises the steps of judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to a confirmation signal fed back by a user and preset role information, and re-descending the probability of the role corresponding to the downlink audio signal, wherein the display driving circuit displays the re-descending list of the role name probability corresponding to the downlink audio signal on a display screen; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit.
Compared with the prior art, the invention has the beneficial effects that:
the baseband chip circuit transmits a downlink audio signal to the sampling circuit, the sampling circuit acquires the downlink audio signal and transmits the downlink audio signal to the operation circuit, the operation circuit calculates dynamic parameters of the downlink audio signal and identifies a role corresponding to the downlink audio signal, the operation circuit processes role information into a role signal after identifying the role corresponding to the downlink audio signal and transmits the role signal to the display driving circuit, the display driving circuit displays the role information corresponding to the role signal to a user on a display screen, the user feeds back a confirmation signal to the operation circuit under the support of the touch screen control circuit, and the operation circuit also receives signals of the touch screen control circuit to confirm whether the identified role information is correct. Thus, the personnel in the vehicle participating in communication can acquire the roles of the communication objects during audio communication, and the role names with the highest probability are ordered in the descending order list of the probability of the role names corresponding to the downlink audio signals, so that the user can acquire the audio objects of the communication quickly. The user feeds back a confirmation signal aiming at the character name probability descending list corresponding to the downlink audio signal to the operation circuit, so that the accuracy of re-identifying the characters can be improved, and the accurate characters of the objects can be continuously determined through repeated re-identifying the characters. According to the method and the device, the audio of the target object is obtained in a short time, and the characteristics of the audio are analyzed, so that the role of the target object can be rapidly determined in a short time.
Drawings
Fig. 1 is a block diagram of the constituent circuits of the vehicle-mounted communication system with voice recognition function of the present application.
Fig. 2 is a block diagram of another embodiment of an on-board communication system with voice recognition function according to the present application.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The application discloses a vehicle-mounted communication system with a voice recognition function, as shown in fig. 1, the vehicle-mounted communication system comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is used for calculating dynamic parameters of the downlink audio signals and identifying roles corresponding to the downlink audio signals, the operation circuit is also used for processing the role information into role signals and transmitting the role signals to the display driving circuit after identifying the roles corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to the role signals on the display screen to a user, the touch screen is used for confirming whether the operation control circuit is used for correctly receiving the role information; in the implementation, the baseband chip circuit transmits a downlink audio signal to the sampling circuit, the sampling circuit acquires the downlink audio signal and transmits the downlink audio signal to the operation circuit, the operation circuit calculates dynamic parameters of the downlink audio signal and identifies a role corresponding to the downlink audio signal, the operation circuit processes role information into role signals after identifying the role corresponding to the downlink audio signal and transmits the role signals to the display driving circuit, the display driving circuit displays the role information corresponding to the role signals to a user on a display screen, and the user feeds back a confirmation signal to the operation circuit under the support of the touch screen control circuit, and the operation circuit also receives the signals of the touch screen control circuit to confirm whether the identified role information is correct; the preset character information comprises character names and audio characteristics. The method and the device can complete the identification of the downlink audio signal and confirm the identified role information at the hardware level and even before the audio signal is played. Thus, the personnel in the communication vehicle can know the role of the communication object in the audio communication.
The optional vehicle-mounted communication system with the voice recognition function comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring dynamic parameters of the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is also used for processing role information corresponding to the downlink audio signals into role signals and sending the role signals to the display driving circuit after identifying the role corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to the role signals on the display screen in touch mode to the user, and the operation circuit is used for confirming whether the operation circuit receives the role signals or not and is used for confirming the operation control circuit to correctly receive the role signals; the touch screen control circuit supports a user to input signals corresponding to the preset role information to the operation circuit, and the operation circuit is further used for receiving the signals corresponding to the preset role information of the touch screen control circuit and storing the preset role information, wherein the preset role information comprises a role name and audio characteristics.
The optional vehicle-mounted communication system with the voice recognition function comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring dynamic parameters of the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is also used for processing role information corresponding to the downlink audio signals into role signals and sending the role signals to the display driving circuit after identifying the role corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to the role signals on the display screen in touch mode to the user, and the operation circuit is used for confirming whether the operation circuit receives the role signals or not and is used for confirming the operation control circuit to correctly receive the role signals; the touch screen control circuit supports a user to input signals corresponding to the preset role information to the operation circuit, and the operation circuit is further used for receiving the signals corresponding to the preset role information of the touch screen control circuit and storing the preset role information, wherein the preset role information comprises a role name and audio characteristics. Calculating dynamic parameters of a downlink audio signal and identifying roles corresponding to the downlink audio signal, wherein the initial identification of the roles comprises initial identification of the roles, the initial identification of the diagonal colors comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name through preset role information, and sending a role name probability descending list corresponding to the downlink audio signal to the display driving circuit, wherein the display driving circuit displays the role name probability descending list corresponding to the downlink audio signal to a user on a display screen; the first character recognition further comprises a touch screen control circuit supporting a user to feed back a confirmation signal aiming at a character name probability descending list corresponding to the downlink audio signal to the operation circuit, and the user feeds back the confirmation signal aiming at the character name probability descending list corresponding to the downlink audio signal to the operation circuit, so that the accuracy of character re-recognition can be improved. The character name probability descending list corresponding to the downlink audio signal is used for ordering the character names with the highest probability before, so that a user can quickly acquire the audio objects of communication.
The optional vehicle-mounted communication system with the voice recognition function comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring dynamic parameters of the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is also used for processing role information corresponding to the downlink audio signals into role signals and sending the role signals to the display driving circuit after identifying the role corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to the role signals on the display screen in touch mode to the user, and the operation circuit is used for confirming whether the operation circuit receives the role signals or not and is used for confirming the operation control circuit to correctly receive the role signals; the touch screen control circuit supports a user to input signals corresponding to the preset role information to the operation circuit, and the operation circuit is further used for receiving the signals corresponding to the preset role information of the touch screen control circuit and storing the preset role information, wherein the preset role information comprises a role name and audio characteristics. Calculating dynamic parameters of a downlink audio signal and identifying roles corresponding to the downlink audio signal, wherein the initial identification of the roles comprises initial identification of the roles, the initial identification of the diagonal colors comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name through preset role information, and sending a role name probability descending list corresponding to the downlink audio signal to the display driving circuit, wherein the display driving circuit displays the role name probability descending list corresponding to the downlink audio signal to a user on a display screen; the first identification of the roles further comprises a touch screen control circuit supporting a user to feed back a confirmation signal for a role name probability descending list corresponding to a downlink audio signal to an operation circuit, dynamic parameters of the downlink audio signal are calculated, the roles corresponding to the downlink audio signal are identified, the re-identification of the roles comprises re-identification of the roles, the re-identification of the roles comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to the confirmation signal fed back by the user for the role name probability descending list corresponding to the downlink audio signal and preset role information, and the re-descending list of the role name probability corresponding to the downlink audio signal is displayed on a display screen by the display drive circuit; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit. The user feeds back a confirmation signal aiming at the character name probability descending list corresponding to the downlink audio signal to the operation circuit, so that the accuracy of re-identifying the characters can be improved, and the accurate characters of the objects can be continuously determined through repeated re-identifying the characters.
The calculation of the dynamic parameters of the downstream audio signal by the preferred calculation circuit specifically includes calculating the rate of change of the downstream audio signal. The role corresponding to the downstream audio signal can be identified by calculating the rate of change of the downstream audio signal.
The optional vehicle-mounted communication system with the voice recognition function comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring dynamic parameters of the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is also used for processing role information corresponding to the downlink audio signals into role signals and sending the role signals to the display driving circuit after identifying the role corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to the role signals on the display screen in touch mode to the user, and the operation circuit is used for confirming whether the operation circuit receives the role signals or not and is used for confirming the operation control circuit to correctly receive the role signals; the touch screen control circuit supports a user to input signals corresponding to the preset role information to the operation circuit, and the operation circuit is further used for receiving the signals corresponding to the preset role information of the touch screen control circuit and storing the preset role information, wherein the preset role information comprises a role name and audio characteristics. Calculating dynamic parameters of a downlink audio signal and identifying roles corresponding to the downlink audio signal, wherein the initial identification of the roles comprises initial identification of the roles, the initial identification of the diagonal colors comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name through preset role information, and sending a role name probability descending list corresponding to the downlink audio signal to the display driving circuit, wherein the display driving circuit displays the role name probability descending list corresponding to the downlink audio signal to a user on a display screen; the first identification of the roles further comprises a touch screen control circuit supporting a user to feed back a confirmation signal for a role name probability descending list corresponding to a downlink audio signal to an operation circuit, dynamic parameters of the downlink audio signal are calculated, the roles corresponding to the downlink audio signal are identified, the re-identification of the roles comprises re-identification of the roles, the re-identification of the roles comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to the confirmation signal fed back by the user for the role name probability descending list corresponding to the downlink audio signal and preset role information, and the re-descending list of the role name probability corresponding to the downlink audio signal is displayed on a display screen by the display drive circuit; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit. The antenna down circuit and the combiner circuit are electrically connected, the combiner circuit and the D/A circuit are electrically connected with the baseband chip circuit, and the D/A circuit, the audio amplifying circuit and the loudspeaker are electrically connected in sequence; the antenna downlink circuit is used for collecting downlink radio frequency signals, the combiner is used for filtering, mixing, intermediate frequency filtering intermediate frequency amplification and intermediate frequency demodulation, the baseband chip circuit is used for processing baseband signals after downlink signal conversion, the D/A circuit is used for signal D/A conversion, the audio amplification circuit is used for amplifying audio signals after D/A conversion, and the loudspeaker is used for playing audio signals in a vehicle.
The optional vehicle-mounted communication system with the voice recognition function comprises a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring dynamic parameters of the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is also used for processing role information corresponding to the downlink audio signals into role signals and sending the role signals to the display driving circuit after identifying the role corresponding to the downlink audio signals, the display driving circuit is used for displaying the role information corresponding to the role signals on the display screen in touch mode to the user, and the operation circuit is used for confirming whether the operation circuit receives the role signals or not and is used for confirming the operation control circuit to correctly receive the role signals; the touch screen control circuit supports a user to input signals corresponding to the preset role information to the operation circuit, and the operation circuit is further used for receiving the signals corresponding to the preset role information of the touch screen control circuit and storing the preset role information, wherein the preset role information comprises a role name and audio characteristics. Calculating dynamic parameters of a downlink audio signal and identifying roles corresponding to the downlink audio signal, wherein the initial identification of the roles comprises initial identification of the roles, the initial identification of the diagonal colors comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name through preset role information, and sending a role name probability descending list corresponding to the downlink audio signal to the display driving circuit, wherein the display driving circuit displays the role name probability descending list corresponding to the downlink audio signal to a user on a display screen; the first identification of the roles further comprises a touch screen control circuit supporting a user to feed back a confirmation signal for a role name probability descending list corresponding to a downlink audio signal to an operation circuit, dynamic parameters of the downlink audio signal are calculated, the roles corresponding to the downlink audio signal are identified, the re-identification of the roles comprises re-identification of the roles, the re-identification of the roles comprises judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to the confirmation signal fed back by the user for the role name probability descending list corresponding to the downlink audio signal and preset role information, and the re-descending list of the role name probability corresponding to the downlink audio signal is displayed on a display screen by the display drive circuit; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit. The antenna down circuit and the combiner circuit are electrically connected, the combiner circuit and the D/A circuit are electrically connected with the baseband chip circuit, and the D/A circuit, the audio amplifying circuit and the loudspeaker are electrically connected in sequence; the antenna downlink circuit is used for collecting downlink radio frequency signals, the combiner is used for filtering, mixing, intermediate frequency filtering intermediate frequency amplification and intermediate frequency demodulation, the baseband chip circuit is used for processing baseband signals after downlink signal conversion, the D/A circuit is used for signal D/A conversion, the audio amplification circuit is used for amplifying audio signals after D/A conversion, and the loudspeaker is used for playing audio signals in a vehicle. The antenna uplink circuit is electrically connected with the radio frequency processing circuit, the radio frequency processing circuit and the A/D circuit are electrically connected with the baseband chip circuit, and the A/D circuit, the MIC amplifying circuit and the microphone are electrically connected in sequence; the microphone is used for collecting an audio uplink signal in a vehicle, the MIC amplifying circuit is used for amplifying the collected audio signal, the A/D circuit is used for converting the collected audio signal into a digital signal, the baseband chip circuit is used for processing the baseband signal after the uplink signal conversion, the radio frequency processing circuit is used for converting the baseband signal into a radio frequency signal, and the radio frequency processing circuit comprises intermediate frequency modulation, frequency mixing, radio frequency amplification, power amplification, high frequency filtering and frequency band coupling; the antenna uplink circuit is used for transmitting radio frequency signals.
Preferably, as shown in fig. 2, the baseband chip circuit, the sampling circuit and the operation circuit are integrated in one chip circuit; the display screen and the display driving circuit are integrated on a touch screen circuit board; the volume can be reduced by integration.
The application also discloses a vehicle-mounted communication method with a voice recognition function, which comprises the following steps:
the baseband chip circuit transmits a downlink audio signal to the sampling circuit, the sampling circuit acquires the downlink audio signal and transmits the downlink audio signal to the operation circuit, the operation circuit calculates dynamic parameters of the downlink audio signal and identifies a role corresponding to the downlink audio signal, the operation circuit processes role information into a role signal after identifying the role corresponding to the downlink audio signal and transmits the role signal to the display driving circuit, the display driving circuit displays the role information corresponding to the role signal to a user on a display screen, the user feeds back a confirmation signal to the operation circuit under the support of the touch screen control circuit, and the operation circuit also receives the signal of the touch screen control circuit to confirm whether the identified role information is correct; the preset character information comprises character names and audio characteristics.
The method comprises the steps of calculating dynamic parameters of a downlink audio signal and identifying a role corresponding to the downlink audio signal, wherein the method comprises the steps of first identifying the role, further comprising the step of second identifying the role, wherein the first identifying the role comprises the steps of judging the probability that the role corresponding to the downlink audio signal is a role of a certain name through preset role information, and sending a role name probability descending list corresponding to the downlink audio signal to a display driving circuit, and the display driving circuit displays the role name probability descending list corresponding to the downlink audio signal to a user on a display screen; the first character recognition also comprises a touch screen control circuit which supports a user to feed back a confirmation signal aiming at a character name probability descending list corresponding to a downlink audio signal to an operation circuit; the re-identification of the roles comprises the steps of judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to a confirmation signal fed back by a user and preset role information, and re-descending the probability of the role corresponding to the downlink audio signal, wherein the display driving circuit displays the re-descending list of the role name probability corresponding to the downlink audio signal on a display screen; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit.
Claims (10)
1. The vehicle-mounted communication system with the voice recognition function is characterized by comprising a baseband chip circuit, a sampling circuit, an operation circuit, a display driving circuit, a touch screen control circuit and a display screen, wherein the baseband chip circuit, the sampling circuit and the operation circuit are sequentially and electrically connected, the operation circuit is respectively and electrically connected with the display driving circuit and the touch screen control circuit, the display screen is electrically connected with the display driving circuit, the baseband chip circuit is used for processing baseband signals, the baseband chip circuit is also used for transmitting downlink audio signals to the sampling circuit, the sampling circuit is used for acquiring the downlink audio signals and transmitting the downlink audio signals to the operation circuit, the operation circuit is used for calculating dynamic parameters of the downlink audio signals and recognizing roles corresponding to the downlink audio signals, the operation circuit is also used for processing role information into role signals and transmitting the role signals to the display driving circuit after recognizing the roles corresponding to the downlink audio signals, the display driving circuit is used for enabling the role information corresponding to the role signals to be displayed on the display screen to users, the touch screen control circuit is used for supporting the user to feed back the operation circuit to confirm whether the operation circuit receives the operation signals correctly or not.
2. The vehicle-mounted communication system with the voice recognition function according to claim 1, wherein the touch screen control circuit supports a user to input a signal corresponding to the preset character information to the operation circuit, and the operation circuit is further configured to receive the signal corresponding to the preset character information of the touch screen control circuit and store the preset character information, where the preset character information includes a character name and an audio feature.
3. The vehicle-mounted communication system with the voice recognition function according to claim 1, wherein the calculation of dynamic parameters of the downlink audio signal and the recognition of the character corresponding to the downlink audio signal comprise the initial recognition of the character, wherein the initial recognition of the diagonal color comprises the judgment of the probability that the character corresponding to the downlink audio signal is a character of a certain name through preset character information and the sending of the character name probability descending list corresponding to the downlink audio signal to the display driving circuit, and the display driving circuit displays the character name probability descending list corresponding to the downlink audio signal to a user on a display screen; the primary character recognition also comprises a touch screen control circuit which supports a user to feed back a confirmation signal aiming at a character name probability descending list corresponding to the downlink audio signal to an operation circuit.
4. The vehicle-mounted communication system with the voice recognition function according to claim 1, wherein the steps of calculating dynamic parameters of the downlink audio signal and identifying the role corresponding to the downlink audio signal include re-identification of the role, wherein the re-identification of the role includes jointly judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to a confirmation signal fed back by a user for a role name probability descending list corresponding to the downlink audio signal and preset role information, and displaying the role name probability descending list corresponding to the downlink audio signal on a display screen by the display driving circuit; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit.
5. The vehicle-mounted communication system with voice recognition function according to claim 1, wherein the calculating of the dynamic parameters of the downstream audio signal by the operation circuit specifically includes calculating a rate of change of the downstream audio signal.
6. The vehicle-mounted communication system with the voice recognition function according to claim 1, further comprising an antenna downlink circuit, a combiner circuit, a D/A circuit, an audio amplifying circuit and a loudspeaker, wherein the antenna downlink circuit and the combiner circuit are electrically connected, the combiner circuit and the D/A circuit are electrically connected with a baseband chip circuit, and the D/A circuit, the audio amplifying circuit and the loudspeaker are electrically connected in sequence; the antenna downlink circuit is used for collecting downlink radio frequency signals, the combiner circuit is used for filtering, mixing, intermediate frequency filtering intermediate frequency amplification and intermediate frequency demodulation, the baseband chip circuit is used for processing baseband signals after downlink signal conversion, the D/A circuit is used for signal D/A conversion, the audio amplification circuit is used for amplifying audio signals after D/A conversion, and the loudspeaker is used for playing audio signals in a vehicle.
7. The vehicle-mounted communication system with the voice recognition function according to claim 1, further comprising an antenna uplink circuit, a radio frequency processing circuit, an A/D circuit, an MIC amplifying circuit and a microphone, wherein the antenna uplink circuit and the radio frequency processing circuit are electrically connected, the radio frequency processing circuit and the A/D circuit are electrically connected with a baseband chip circuit, and the A/D circuit, the MIC amplifying circuit and the microphone are electrically connected in sequence; the microphone is used for collecting an audio uplink signal in a vehicle, the MIC amplifying circuit is used for amplifying the collected audio signal, the A/D circuit is used for converting the collected audio signal into a digital signal, the baseband chip circuit is used for processing the baseband signal after the uplink signal conversion, the radio frequency processing circuit is used for converting the baseband signal into a radio frequency signal, and the radio frequency processing circuit comprises intermediate frequency modulation, frequency mixing, radio frequency amplification, power amplification, high frequency filtering and frequency band coupling; the antenna uplink circuit is used for transmitting radio frequency signals.
8. The vehicle-mounted communication system with the voice recognition function according to claim 1, wherein the baseband chip circuit, the sampling circuit and the operation circuit are integrated in a chip circuit; the display screen and the display driving circuit are integrated on a touch screen circuit board.
9. The vehicle-mounted communication method with the voice recognition function is characterized by comprising the following steps of:
the baseband chip circuit transmits a downlink audio signal to the sampling circuit, the sampling circuit acquires the downlink audio signal and transmits the downlink audio signal to the operation circuit, the operation circuit calculates dynamic parameters of the downlink audio signal and identifies a role corresponding to the downlink audio signal, the operation circuit processes role information into a role signal after identifying the role corresponding to the downlink audio signal and transmits the role signal to the display driving circuit, the display driving circuit displays the role information corresponding to the role signal to a user on a display screen, the user feeds back a confirmation signal to the operation circuit under the support of the touch screen control circuit, and the operation circuit also receives the signal of the touch screen control circuit to confirm whether the identified role information is correct; the preset character information comprises character names and audio characteristics.
10. The vehicle-mounted communication method with the voice recognition function according to claim 9, wherein the steps of calculating dynamic parameters of a downlink audio signal and recognizing a character corresponding to the downlink audio signal, including first recognition of the character, further including second recognition of the character, wherein the first recognition of the character includes judging a probability that the character corresponding to the downlink audio signal is a character of a certain name through preset character information and sending a character name probability descending list corresponding to the downlink audio signal to the display driving circuit, and the display driving circuit displays the character name probability descending list corresponding to the downlink audio signal to a user on a display screen; the first character recognition also comprises a touch screen control circuit which supports a user to feed back a confirmation signal aiming at a character name probability descending list corresponding to a downlink audio signal to an operation circuit; the re-identification of the roles comprises the steps of judging the probability that the role corresponding to the downlink audio signal is a role of a certain name according to a confirmation signal fed back by a user and preset role information, and re-descending the probability of the role corresponding to the downlink audio signal, wherein the display driving circuit displays the re-descending list of the role name probability corresponding to the downlink audio signal on a display screen; the character re-identification further comprises that the touch screen control circuit supports the user to feed back a confirmation signal aiming at the character name probability re-descending list corresponding to the downlink audio signal to the operation circuit.
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