CN111696539A - Voice interaction system and vehicle for actively reducing noise of internal call - Google Patents
Voice interaction system and vehicle for actively reducing noise of internal call 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
- G10L15/00—Speech recognition
- G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
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- B60R16/037—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel
- B60R16/0373—Voice control
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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
- G10L21/0208—Noise filtering
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- 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
- G10L21/0208—Noise filtering
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Abstract
The invention provides a voice interaction system and a vehicle for actively reducing noise of an internal call, wherein the voice interaction system comprises: the system comprises a first sound acquisition module and a second sound acquisition module, wherein the first sound acquisition module is used for acquiring the sound of a front-row driver and the sound of a front-row environment of a cab, and the second sound acquisition module is used for acquiring the sound of a rear-row passenger and the sound of a rear-row environment of the cab; the voice processing control module is connected with the first sound acquisition module and the second sound acquisition module; the loudspeaker module is connected with the voice processing control module; the internal communication module is connected with the voice processing control module, and the voice recognition module is connected with the first voice acquisition module. The voice interaction system can effectively process the interference of the voice of the back-row passengers and the noise of the environment in the automobile, so that the driver is prevented from being interfered by the voice of the back-row passengers and the environment in the automobile when carrying out intelligent voice interaction, and the user experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of intelligent voice of vehicles, in particular to a voice interaction system for actively reducing noise of internal calls and a vehicle with the voice interaction system.
Background
With the development and the advance of automobile electrification, new energy vehicle types are rapidly developed, functions of intelligent driving and comfort electrical systems are more and more abundant, and requirements of people on vehicle functions and vehicle intellectualization are higher and higher. The current scheme for supporting the intelligent voice assistant for the vehicle is more and more difficult to meet the requirement of the user on the vehicle intelligence. With the continuous development of the vehicle communication audio noise reduction technology, the problem of low user instruction recognition rate of the voice assistant can be solved.
At present, the existing vehicle communication audio noise reduction scheme comprises two sets of internal communication systems and a vehicle-mounted entertainment system, wherein the internal communication systems and the vehicle-mounted entertainment system are mutually independent, various audio signals in a vehicle are collected through a microphone in the vehicle, and the collected audio frequency high and low signals are distinguished and processed through a voice processing control unit. High-frequency and low-frequency noise is filtered, and only the voice frequency section of the intermediate frequency is reserved, so that the interference of the noise on voice recognition is reduced, the voice recognition rate is improved, and the intellectualization of the voice assistant is enhanced.
However, in the existing technical scheme, only high-frequency and low-frequency environmental noise except for voice can be processed, and voice noise interference of rear-row passengers cannot be processed, so that when a driver carries out intelligent voice interaction, the driver is very easily subjected to voice interference of the rear-row passengers, and user experience is influenced.
Disclosure of Invention
One object of the first aspect of the present invention is to solve the problem that a voice interaction system in the prior art can only process high-frequency and low-frequency environmental noise other than human voice, and cannot process human voice noise interference of a rear-row passenger, so that a driver is very likely to be affected by the voice interference of the rear-row passenger when performing intelligent voice interaction, thereby affecting user experience.
A further object of the first aspect of the present invention is to integrate the first sound collection module, the second sound collection module, and the speaker module on the power amplifier, so as to simplify the hardware structure and reduce the development cost and failure rate of the whole voice interaction system.
An object of the second aspect of the present invention is to provide a vehicle with the voice interaction system, which achieves the purpose of reducing the interference of the intercom system to voice recognition by analyzing the vocal signals of the passengers in the back row, thereby improving the user experience.
Particularly, the invention provides a voice interaction system for actively reducing noise of an internal call, which comprises:
the system comprises a first sound acquisition module and a second sound acquisition module, wherein the first sound acquisition module is used for acquiring the sound of a front-row driver and the sound of a front-row environment of a cab, and the second sound acquisition module is used for acquiring the sound of a rear-row passenger and the sound of a rear-row environment of the cab;
the voice processing control module is connected with the first sound acquisition module and the second sound acquisition module;
the loudspeaker module is connected with the voice processing control module;
the internal communication module is connected with the voice processing control module, and is used for carrying out voice communication between a front-row driver and a rear-row passenger in a cab, processing the sound of the rear-row passenger in the cab and the sound of the rear-row environment in the cab, which are acquired by the second sound acquisition module, and collecting the sound to the first sound acquisition module through the loudspeaker module;
the voice recognition module is connected with the first sound collection module, the voice recognition module is used for converting front-row driver sound, rear-row passenger sound, front-row environmental sound and rear-row environmental sound after the first sound collection module is gathered into a first sound signal, a second sound signal, a third sound signal and a fourth sound signal corresponding to the first sound signal, the second sound signal, the third sound signal and the fourth sound signal are compared by the voice processing control module, the second sound signal, the third sound signal and the fourth sound signal are removed, and the first sound signal is reserved.
Further, the first sound collection module and the second sound collection module are both microphones.
Further, the speech recognition module includes: and the voice recognition module activates a voice recognition function when the voice recognition switch is turned on so as to respectively convert the front-row driver voice, the rear-row passenger voice, the front-row environmental voice and the rear-row passenger voice which are collected by the first voice collection module into a first voice signal, a second voice signal, a third voice signal and a fourth voice signal which correspond to the front-row driver voice, the rear-row passenger voice, the front-row environmental voice and the rear-row passenger voice.
Further, the voice processing control module comprises: power amplifier and on-vehicle entertainment system controller, power amplifier with the intercom module is connected, first sound collection module with second sound collection module respectively with power amplifier connects, the driver's cabin back row passenger's sound and the back row environmental sound that second sound collection module gathered pass through power amplifier passes to the intercom module is handled, first sound collection module passes through the front-seat driver's sound after will summarizing, back-seat passenger's sound, front-seat environmental sound and back row environmental sound power amplifier passes through the on-vehicle entertainment system controller passes to, speech recognition module with speech recognition switch with on-vehicle entertainment system controller connects.
Further, the speaker module is a speaker, and the speaker is connected with the power amplifier.
Furthermore, the first sound collection module, the second sound collection module and the loudspeaker module are respectively integrated with the voice processing control module.
Further, the intercom module includes: an intercom system controller connected to the power amplifier via an A2B bus.
Further, the voice interaction system further comprises: an intercom switch, the intercom switch with the intercom module is connected, the intercom module is in when the intercom switch is opened, the activation intercom module, in order to handle the driver's cabin back row passenger's sound and the back row environmental sound that the second sound collection module gathered to pass through back row passenger's sound and back row environmental sound the speaker module gathers extremely first sound collection module, simultaneously with back row passenger's sound and back row environmental sound by intercom system controller passes through the A2B bus transmission extremely power amplifier.
Further, the voice interaction system further comprises: and the internal call switch is integrated on the volume adjusting module, and the volume adjusting module is connected with the internal call module to adjust the call volume.
The invention also provides a vehicle which comprises the voice interaction system for actively reducing noise of the internal call in the embodiment.
The voice interaction system provided by the invention has the advantages that when an internal call is carried out, the first sound collection module is used for collecting the front-row driver sound and the front-row environment sound of the cab, the second sound collection module is used for collecting the back-row passenger sound and the back-row environment sound of the cab, the back-row passenger sound and the back-row environment sound collected by the second sound collection module are collected to the first sound collection module through the internal call module, then the collected front-row driver sound, back-row passenger sound, front-row environment sound and back-row environment sound are respectively converted into the first sound signal, the second sound signal, the third sound signal and the fourth sound signal corresponding to the front-row driver sound, the back-row passenger sound and the environment sound of the cab, the uniqueness of a signal source of the voice recognition is ensured, and the recognition rate of the voice recognition is improved. Finally, the first sound signal, the second sound signal, the third sound signal and the fourth sound signal are compared through the voice processing control module, the second sound signal, the third sound signal and the fourth sound signal are removed, the first sound signal is reserved, voice interference of back row passenger sound and environment sound on a front row driver is prevented, and user experience is improved.
Furthermore, the voice interaction system integrates the first sound acquisition module, the second sound acquisition module and the loudspeaker module on the power amplifier, thereby simplifying the hardware structure and reducing the development cost and the failure rate of the whole voice interaction system.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic diagram of the operation of the voice interaction system of the present invention.
Reference numerals:
a first sound collection module 11; a second sound collection module 12;
a voice processing control module 20; an in-vehicle entertainment system controller 21; a power amplifier 22;
a speaker module 30;
an intercom module 40; an intercom system controller 41; an intercom switch 42;
a speech recognition module 50; a voice recognition switch 51;
a volume adjustment module 60.
Detailed Description
Referring to fig. 1, the active noise reduction voice interaction system for internal call of the present invention mainly comprises a first sound collection module 11, a second sound collection module 12, a voice processing control module 20, a speaker module 30, an internal call module 40, and a voice recognition module 50. The first sound collection module 11 is used for collecting the sound of a front driver and the sound of a front environment in the cab, and the second sound collection module 12 is used for collecting the sound of a rear passenger and the sound of a rear environment in the cab. The first sound collection module 11 may be installed in an instrument desk in a front row of a driver, and the second sound collection module 12 may be installed at a rear row position of a driver's cab. The voice processing control module 20 is connected to the first sound collection module 11 and the second sound collection module 12. The speaker module 30 is connected to the voice processing control module 20. Intercom module 40 is connected with speech processing control module 20, intercom module 40 is used for carrying out the pronunciation interchange between front row driver of driver's cabin and the back row passenger, intercom module 40 can handle the back row passenger's sound of driver's cabin and the back row environmental sound of back row that second sound collection module 12 gathered, the back row passenger's sound of driver's cabin and back row environmental sound after the processing can send and gather to first sound collection module 11 through speaker module 30, make first sound collection module 11 gather front row driver's sound of driver's cabin, back row passenger's sound, driver's cabin environmental sound (including front row environmental sound of driver's cabin and back row environmental sound).
The voice recognition module 50 is connected to the first sound collection module 11, and the voice recognition module 50 is configured to convert the collected front driver sound, the collected rear passenger sound, the collected front environmental sound, and the collected rear environmental sound captured by the first sound collection module 11 in real time into a first sound signal, a second sound signal, a third sound signal, and a fourth sound signal corresponding thereto, respectively. And delivers the first, second, third and fourth sound signals to the voice processing control module 20. That is, at this time, the voice processing control module 20 may simultaneously acquire the front row driver sound signal, the rear row passenger sound signal and the cab environment sound signal (noise signal), and effectively distinguish the front row driver sound, the rear row passenger sound and the cab environment sound by comparing different sound signals, that is, the first sound signal, the second sound signal, the third sound signal and the fourth sound signal, in the process of processing different sound signals, the voice processing control module 20 may respectively form corresponding sound waves from the first sound signal, the second sound signal, the third sound signal and the fourth sound signal, and simultaneously perform respective peak and valley superposition processing on the sound waves of the second sound signal, the third sound signal and the fourth sound signal, so as to reject the second sound signal, the third sound signal and the fourth sound signal, the voice recognition method eliminates the high-frequency noise and the low-frequency noise of the cab environment except the voice of the rear-row passengers and the voice of the human body, only keeps the first voice signal, namely the voice of the front-row driver in the cab, realizes the active noise reduction of the voice interaction system, ensures the uniqueness of the voice recognition signal source, and improves the recognition rate of the voice recognition and the intelligent degree of the voice assistant.
Therefore, the voice interaction system for actively reducing noise of the internal call achieves the purpose of reducing voice recognition interference by analyzing the voice signal of the back-row passenger and the environmental sound signal of the cab, and well solves the problems that the voice interaction system in the prior art can only process high-frequency and low-frequency environmental noise except the voice and can not process the voice noise interference of the back-row passenger, so that a driver is very easy to be interfered by the voice of the back-row passenger when carrying out intelligent voice interaction, and the user experience is influenced.
According to an embodiment of the present invention, the first sound collection module 11 and the second sound collection module 12 are both microphones, and the speech recognition module 50 is integrated in the speech processing control module 20. In the present application, the first sound collection module 11 may be a microphone having a voice recognition function and an internal communication function, and the second sound collection module 12 may be a microphone having a voice recognition function.
According to one embodiment of the present invention, referring to fig. 1, the voice recognition module 50 includes a voice recognition switch 51, and the voice recognition module 50 activates a voice recognition function when the voice recognition switch 51 is turned on. The voice recognition module 50 may be turned on manually by a key or by a voice wake-up word to activate the voice recognition function. The voice recognition module 50 can convert the front-row driver voice, the rear-row passenger voice, the front-row environmental voice and the rear-row passenger voice collected by the first voice collection module 11 into the first voice signal, the second voice signal, the third voice signal and the fourth voice signal corresponding thereto, respectively, to form respective voice signal waves, so that the voice processing control module 20 can perform the superposition processing of respective wave crests and wave troughs on the voice waves of the second voice signal, the third voice signal and the fourth voice signal, thereby eliminating the second voice signal, the third voice signal and the fourth voice signal, realizing the active noise reduction processing on the rear-row passenger voice and the cab environmental voice in the cab, and preventing the front-row driver from being interfered by the voice interference of the rear-row passenger and the noise of the environment when performing the voice call, thereby affecting the user experience.
In some embodiments of the present invention, referring to FIG. 1, the speech processing control module 20 is comprised primarily of a power amplifier 22 and an in-vehicle entertainment system controller 21. The power amplifier 22 is connected with the intercom module 40, the first sound collection module 11 and the second sound collection module 12 are respectively connected with the power amplifier 22, the rear passenger voice and the rear environmental voice of the cab collected by the second sound collection module 12 are transmitted to the intercom module 40 through the power amplifier 22 for processing, the first sound collection module 11 transmits the collected front driver voice, the rear passenger voice, the front environmental voice and the rear environmental voice to the vehicle-mounted entertainment system controller 21 through the power amplifier 22, and the voice recognition module 50 and the voice recognition switch 51 are connected with the vehicle-mounted entertainment system controller 21. That is, the voice recognition module 50 and the voice recognition switch 51 are connected to the in-vehicle entertainment system controller 21. The voice of the back row passenger and the environmental voice of the back row are transmitted to the power amplifier 22 through the microphone at the back row of the cab, then are processed through the intercom module 40 (mainly referring to the intercom system controller 41 in the intercom module 40), and are sent out through the loudspeaker module 30, and are collected to the first voice collection module 11 at the front row (namely, the microphone at the front row), and the microphone at the front row transmits the collected voice of the front row driver, the voice of the back row driver and the environmental voice to the vehicle-mounted entertainment system controller 21 through the power amplifier 22 for sound wave processing, so that the active noise reduction of the voice and the environmental voice of the back row driver is realized, the voice interference of the back row passenger and the noise interference of the environment are prevented when the front row driver carries out the voice call, and the user experience is effectively improved.
In some preferred embodiments of the present invention, the speaker module 30 may be a speaker, and the front and rear rows of the cab may be configured with speakers according to the specific configuration of different vehicle models. The speaker is connected with the power amplifier 22, and the first sound collection module 11, the second sound collection module 12 and the speaker module 30 are respectively integrated with the voice processing control module 20, so that the hardware structure is greatly simplified, and the development cost and the failure rate of the whole voice interaction system are reduced.
According to one embodiment of the present invention, as shown in FIG. 1, intercom module 40 includes intercom system controller 41, intercom system controller 41 being connected to power amplifier 22 via an A2B (vehicular audio bus) bus. According to the invention, each microphone is connected to the power amplifier 22 by adopting an integration scheme, the vehicle-mounted entertainment controller can be connected to the power amplifier 22 through an A2B bus, the power amplifier 22 can be connected to the intercom system controller 41 through an A2B bus, and two sets of systems of the intercom module 40 and the voice processing control module 20 are integrated into one set of system, so that the noise reduction processing on rear passengers and ambient sound is effectively realized.
According to an embodiment of the present invention, as shown in fig. 1, the voice interaction system further includes: intercom switch 42, intercom switch 42 is connected to intercom module 40, intercom module 40 may activate intercom module 40 when intercom switch 42 is turned on, and the rear passenger's voice and rear ambient voice of the cab collected by second voice collection module 12 are processed by intercom module 40 and are collected to first voice collection module 11 through speaker module 30, while the rear passenger's voice and rear ambient voice are transmitted by intercom system controller 41 to power amplifier 22 through A2B bus. The voice interaction system further comprises: volume adjustment module 60, intercom switch 42 are integrated on volume adjustment module 60, volume adjustment module 60 is connected with intercom module 40, and volume adjustment module 60 may adopt a volume knob switch through which the volume of a call may be adjusted.
Referring to fig. 1, the active noise reduction voice interaction system for internal communication according to the present invention, when in a normal working state:
a user operates intercom switch 42 of intercom module 40 (which may also be referred to as an intercom system) to turn on the intercom system, at which time the front driver and rear passenger will communicate voice through the intercom system (intercom module 40). The rear passenger's voice will be transmitted to the power amplifier 22 through the rear microphone, processed by the intercom system controller 41, and then emitted through the front speaker. At this time, the user operates the voice recognition switch 51 or activates the voice recognition function of the voice recognition module 50 by voice wake-up word. After the voice recognition function is successfully activated, the microphone captures all sounds in the front row in the vehicle in real time, and converts the collected sounds into corresponding sound signals in real time. The sound signal will be passed through the power amplifier 22 to the in-vehicle entertainment system controller 21. At this time, the in-vehicle entertainment system controller 21 may simultaneously acquire the sound signal of the rear passenger and the sound signal of the front space, including the human sound signal of the front driver. The in-vehicle entertainment system controller 21 eliminates the rear passenger sound signal and the high-frequency, low-frequency and other environmental noises except the human voice from the acquired front sound signal by comparing different sound signals, and only keeps the sound signal of the front driver.
In summary, the voice interaction system for actively reducing noise in internal communication according to the present invention achieves the purpose of reducing voice recognition interference by analyzing the vocal signals of the back-row passengers and the environmental sound signals of the cab, and well solves the problem that the voice interaction system in the prior art can only process high-frequency and low-frequency environmental noises other than the vocal sounds and cannot process the vocal noise interference of the back-row passengers, so that the driver is very likely to be affected by the vocal interference of the back-row passengers when performing intelligent voice interaction, thereby affecting the user experience.
The invention also provides a vehicle comprising the voice interaction system for actively reducing noise of the internal call in the embodiment. The voice interaction system has the technical effects, so that the vehicle provided by the embodiment of the invention also has the corresponding technical effects, namely the vehicle provided by the invention can effectively process the interference of the voice of the back-row passengers and the environmental noise in the vehicle by adopting the voice interaction system, so that the driver is prevented from being interfered by the voice of the back-row passengers and the environmental noise in the vehicle when carrying out intelligent voice interaction, and the user experience is greatly improved.
Other structures and operations of the vehicle according to the embodiment of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A voice interaction system that actively reduces noise in an internal call, comprising:
the system comprises a first sound acquisition module and a second sound acquisition module, wherein the first sound acquisition module is used for acquiring the sound of a front-row driver and the sound of a front-row environment of a cab, and the second sound acquisition module is used for acquiring the sound of a rear-row passenger and the sound of a rear-row environment of the cab;
the voice processing control module is connected with the first sound acquisition module and the second sound acquisition module;
the loudspeaker module is connected with the voice processing control module;
the internal communication module is connected with the voice processing control module, and is used for carrying out voice communication between a front-row driver and a rear-row passenger in a cab, processing the sound of the rear-row passenger in the cab and the sound of the rear-row environment in the cab, which are acquired by the second sound acquisition module, and collecting the sound to the first sound acquisition module through the loudspeaker module;
the voice recognition module is connected with the first sound collection module, the voice recognition module is used for converting front-row driver sound, rear-row passenger sound, front-row environmental sound and rear-row environmental sound after the first sound collection module is gathered into a first sound signal, a second sound signal, a third sound signal and a fourth sound signal corresponding to the first sound signal, the second sound signal, the third sound signal and the fourth sound signal are compared by the voice processing control module, the second sound signal, the third sound signal and the fourth sound signal are removed, and the first sound signal is reserved.
2. The system of claim 1, wherein the first sound collection module and the second sound collection module are both microphones.
3. The system of claim 2, wherein the speech recognition module comprises: and the voice recognition module activates a voice recognition function when the voice recognition switch is turned on so as to respectively convert the front-row driver voice, the rear-row passenger voice, the front-row environmental voice and the rear-row passenger voice which are collected by the first voice collection module into a first voice signal, a second voice signal, a third voice signal and a fourth voice signal which correspond to the front-row driver voice, the rear-row passenger voice, the front-row environmental voice and the rear-row passenger voice.
4. The system of claim 2, wherein the voice processing control module comprises: power amplifier and on-vehicle entertainment system controller, power amplifier with the intercom module is connected, first sound collection module with second sound collection module respectively with power amplifier connects, the driver's cabin back row passenger's sound and the back row environmental sound that second sound collection module gathered pass through power amplifier passes to the intercom module is handled, first sound collection module passes through the front-seat driver's sound after will summarizing, back-seat passenger's sound, front-seat environmental sound and back row environmental sound power amplifier passes through the on-vehicle entertainment system controller passes to, speech recognition module with speech recognition switch with on-vehicle entertainment system controller connects.
5. The system of claim 4, wherein the speaker module is a speaker, and the speaker is connected to the power amplifier.
6. The active noise reduction for internal phone calls of claim 5, wherein the first sound collection module, the second sound collection module and the speaker module are respectively integrated with the voice processing control module.
7. The system of claim 5, wherein the intercom module comprises: an intercom system controller connected to the power amplifier via an A2B bus.
8. The system of claim 7, further comprising: an intercom switch, the intercom switch with the intercom module is connected, the intercom module is in when the intercom switch is opened, the activation intercom module, in order to handle the driver's cabin back row passenger's sound and the back row environmental sound that the second sound collection module gathered to pass through back row passenger's sound and back row environmental sound the speaker module gathers extremely first sound collection module, simultaneously with back row passenger's sound and back row environmental sound by intercom system controller passes through the A2B bus transmission extremely power amplifier.
9. The system of claim 8, further comprising: and the internal call switch is integrated on the volume adjusting module, and the volume adjusting module is connected with the internal call module to adjust the call volume.
10. A vehicle comprising a voice interaction system for actively reducing noise in an internal call as claimed in any one of claims 1 to 9.
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| CN202010604255.4A CN111696539A (en) | 2020-06-29 | 2020-06-29 | Voice interaction system and vehicle for actively reducing noise of internal call |
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Cited By (5)
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| CN113223550A (en) * | 2021-05-12 | 2021-08-06 | 中国第一汽车股份有限公司 | Real-time call system, control method of real-time call system, and driving device |
| CN113352986A (en) * | 2021-05-20 | 2021-09-07 | 浙江吉利控股集团有限公司 | Vehicle voice atmosphere lamp partition interaction control method and system |
| CN114495553A (en) * | 2021-04-07 | 2022-05-13 | 时孝贺 | Interference suppression system in duplex communication |
| CN115412866A (en) * | 2022-08-24 | 2022-11-29 | 长城汽车股份有限公司 | Call control method, device, terminal equipment and storage medium |
| CN115497490A (en) * | 2022-08-24 | 2022-12-20 | 朝阳聚声泰（信丰）科技有限公司 | Driver voice enhancement system under automobile noise |
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| CN115412866A (en) * | 2022-08-24 | 2022-11-29 | 长城汽车股份有限公司 | Call control method, device, terminal equipment and storage medium |
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Application publication date: 20200922 |