Voice interaction device based on vehicle information

Abstract

The utility model relates to the technical field of vehicle-mounted domain control, and discloses a voice interaction device based on vehicle information, which comprises a vehicle-mounted processor, a voice input module, a voice output module, an audio processor, a first sound sensor and a vehicle speed sensor, the audio processor is used for carrying out noise reduction processing on interactive voice information data acquired by the voice input module by utilizing the intensity and frequency of noise in the vehicle body detected by the first sound sensor; the vehicle-mounted processor controls the output volume of the voice output module according to the vehicle speed value detected by the vehicle speed sensor. According to the utility model, the data after voice processing is stronger in interference resistance, the processed data is cleaner, and the voice recognition rate is increased; and the output volume can be automatically and adaptively increased, so that a driver can hear clearly in a complex environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted voice interaction technical field especially, it relates to a voice interaction device based on vehicle information. BACKGROUND

[0002] The times are developing, and the demand for intelligentization and convenience of the modern automobile market is increasing. Voice interaction is one of the most important functions, but we have also seen the limitations of current car voice interaction, such as low voice recognition rate in complex scenarios, and unfriendly interaction. For example, tire noise and wind noise at different speeds have a great impact on voice recognition. Therefore, increasing the recognition rate of voice interaction has become a problem to be solved. INVENTION CONTENT

[0003] The main purpose of the utility model is to provide a voice interaction device based on vehicle information to solve the defects of low voice recognition rate in complex scenarios, unfriendly interaction, and great impact of tire noise and wind noise on voice recognition in the prior art.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model relates to a voice interaction device based on vehicle information, which comprises a vehicle-mounted processor, a voice input module and a voice output module connected with the vehicle-mounted processor, an audio processor, a first sound sensor and a vehicle speed sensor, the first sound sensor is arranged in the vehicle body and detects the intensity and frequency of the noise in the vehicle body, the signal output end of the first sound sensor is connected with the first signal input end of the audio processor, the output end of the voice input module is connected with the second signal input end of the audio processor, and the audio output end of the audio processor is connected with the audio input end of the vehicle-mounted processor; the vehicle speed sensor is connected with the vehicle-mounted processor.

[0006] The audio processor uses the intensity and frequency of the noise in the vehicle body detected by the first sound sensor to carry out noise reduction processing on the interactive voice information data collected by the voice input module, and transmits the processed interactive voice information to the vehicle-mounted processor.

[0007] The vehicle-mounted processor controls the output volume of the voice output module according to the vehicle speed value detected by the vehicle speed sensor.

[0008] As a preferred technical scheme of the utility model, a signal amplifier is arranged between the audio processor and the vehicle-mounted processor.

[0009] As a preferred technical scheme of the utility model, the greater the vehicle speed value detected by the vehicle speed sensor, the greater the output volume of the voice output module controlled by the vehicle-mounted processor.

[0010] As a preferred technical scheme of the utility model, still include set up in the car body and the intensity and frequency of the noise in the car body are detected second sound sensor, the signal output end of second sound sensor is connected with the third signal input end of audio processor, the audio processor carries out weighted calculation to the intensity and frequency of the noise in the car body that first sound sensor, second sound sensor gathers, obtains noise reference data, and audio processor utilizes noise reference data to carry out noise reduction processing to the interactive voice information data that voice input module gathers.

[0011] As a preferred technical scheme of the utility model, the first sound sensor and second sound sensor are both arranged on the side of the voice input module.

[0012] As a preferred technical scheme of the utility model, the first sound sensor and second sound sensor are both mounted in the car body through the shock-absorbing seat.

[0013] As a preferred technical scheme of the utility model, or when the vehicle-mounted processor controls the output volume size of the voice output module according to the intensity of the noise in the car body detected by the first sound sensor and second sound sensor.

[0014] The utility model has the advantages of:

[0015] 1, this kind of voice interaction device based on vehicle information sets up the first sound sensor in the car body and detects the intensity and frequency of the noise in the car body, and the intensity and frequency signal of the noise detected is as the input of audio processor, carries out noise reduction processing to the voice information that voice input module gathers, this ensures the data after voice processing, and the interference is stronger, and the data after processing is cleaner, and increases the recognition rate of voice, simultaneously still sets up speed sensor, and the vehicle-mounted processor controls the output volume size of the voice output module according to the vehicle speed value detected by speed sensor, and the output volume of automatic adaptability, this in the complex environment, the driver can also listen clearly, to have good voice interaction experience.

[0016] 2, this kind of voice interaction device based on vehicle information is through setting up second sound sensor, utilizes two sound sensors to carry out the intensity and frequency collection of noise, this makes the data obtained more actual noise, this ensures the data after voice processing, and the interference is stronger, and the data after processing is cleaner, and increases the recognition rate of voice. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structure shown in these drawings without creative labor.

[0018] Figure 1 Figure 1 is a structural schematic diagram of a voice interaction device based on vehicle information according to an embodiment of the present application;

[0019] Figure 2 Figure 2 is a point distribution diagram of a voice interaction device based on vehicle information according to another embodiment of the present application.

[0020] In the figure: 1, vehicle-mounted processor; 2, voice input module; 3, voice output module; 4, audio processor; 5, first sound sensor; 6, vehicle speed sensor; 7, second sound sensor; 8, signal amplifier.

[0021] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] In addition, if the present application embodiments involve descriptions such as "first", "second", etc., the "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features.

[0024] Embodiment one

[0025] As Figure 1The utility model discloses a voice interaction device based on vehicle information, including vehicle processor 1, and with vehicle processor 1 connection's voice input module 2 and voice output module 3, its characterized in that: still include audio processor 4, first sound sensor 5 and speed sensor 6, first sound sensor 5 sets up in the car body and detects the intensity and frequency of the noise in the car body, the signal output end of first sound sensor 5 is connected with the first signal input end of audio processor 4, the output of voice input module 2 with the second signal input end of audio processor, the audio output end of audio processor 4 is connected with the audio input end of vehicle processor 1, the speed sensor 6 is connected with vehicle processor 1.

[0026] Audio processor 4 utilizes the intensity and frequency of the noise in the car body detected by first sound sensor 5 to carry out noise reduction processing on the interactive voice information data collected by voice input module 2, and transmits the processed interactive voice information to vehicle processor 1.

[0027] Vehicle processor 1 controls the output volume of voice output module 3 according to the vehicle speed value detected by speed sensor 6.

[0028] First sound sensor 5 is arranged in the car body to detect the intensity and frequency of the noise in the car body, and the intensity and frequency signals of the detected noise are input to audio processor 4 to carry out noise reduction processing on the voice information collected by voice input module 2, so as to ensure that the processed voice data is more anti-interference and cleaner, and the recognition rate of voice is increased; speed sensor 6 is also arranged, and vehicle processor 1 controls the output volume of voice output module 3 according to the vehicle speed value detected by speed sensor 6, because the faster the normal speed is, the greater the tire noise and wind noise generated are, and if the volume is small, the driver may not hear clearly, and the greater the vehicle speed value detected by speed sensor 6 is, the greater the output volume of voice output module 3 controlled by vehicle processor 1 is, so that the output volume is automatically adapted and increased, and the driver can also hear clearly in a complex environment.

[0029] Signal amplifiers 8 are arranged between voice input modules 2 to amplify signals, so that vehicle processor 1 can recognize the effective audio signals after noise reduction.

[0030] The greater the vehicle speed value detected by speed sensor 6 is, the greater the output volume of voice output module 3 controlled by vehicle processor 1 is, because the faster the normal speed is, the greater the tire noise and wind noise generated are, and if the volume is small, the driver may not hear clearly, so that the output volume is automatically adapted and increased, and the driver can also hear clearly in a complex environment.

[0031] Embodiment two, as Figure 2 The embodiment is distinguished from the technical features of embodiment 1 in that:

[0032] The second sound sensor 7 is arranged in the vehicle body and detects the intensity and frequency of the noise in the vehicle body, and the signal output end of the second sound sensor 7 is connected with the third signal input end of the audio processor 4. The audio processor 4 performs weighted calculation on the intensity and frequency of the noise in the vehicle body collected by the first sound sensor 5 and the second sound sensor 7 to obtain noise reference data, and the audio processor 4 performs noise reduction processing on the interactive voice information data collected by the voice input module 2 by using the noise reference data. The second sound sensor 7 is arranged, and the intensity and frequency of the noise in the vehicle body collected by the first sound sensor 5 and the second sound sensor 7 are weighted calculated, so that the error of the intensity and frequency of the noise in the vehicle body collected by one sound sensor is avoided, and the intensity and frequency of the noise are collected by using two sound sensors, so that the obtained data is more in line with the actual noise, and the data after voice processing is more anti-interference, the processed data is cleaner, and the recognition rate of voice is increased.

[0033] The first sound sensor 5 and the second sound sensor 7 are arranged on the side of the voice input module 2, so that the noise collected by the first sound sensor 5 and the second sound sensor 7 is more close to the interference noise signal collected by the voice input module 2, and the intensity and frequency signals of the detected noise are used as the input of the audio processor 4 to perform noise reduction processing on the voice information collected by the voice input module 2, so that the data after voice processing is more anti-interference, the processed data is cleaner, and the recognition rate of voice is increased.

[0034] The first sound sensor 5 and the second sound sensor 7 are mounted in the vehicle body through the damping seat, so that the vibration of the first sound sensor 5 and the second sound sensor 7 caused by the vibration of the vehicle body during running is avoided, and the service life of the first sound sensor 5 and the second sound sensor 7 is shorter.

[0035] The vehicle-mounted processor 1 controls the output volume of the voice output module 3 according to the intensity of the noise in the vehicle body detected by the first sound sensor 5 and the second sound sensor 7, so that the loud noise of the people in the vehicle is avoided, and the noise decibel is large, and the vehicle is in a slow driving state at this time. According to the intensity of the noise in the vehicle body detected by the first sound sensor 5 and the second sound sensor 7, the vehicle-mounted processor 1 controls the output volume of the voice output module 3 to be larger, so that the output volume is automatically adapted to increase, so that the driver can also hear clearly in a complex environment, thereby having a good voice interaction experience.

[0036] In addition, if "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes include the A scheme, or the B scheme, or the A and B schemes are satisfied at the same time. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist, also not within the protection scope required by the utility model.

Claims

1. A voice interaction device based on vehicle information, comprising a vehicle-mounted processor (1), and a voice input module (2) and a voice output module (3) connected with the vehicle-mounted processor (1), characterized in that: The audio processor (4), the first sound sensor (5) and the vehicle speed sensor (6) are further included, the first sound sensor (5) is arranged in the vehicle body and detects the intensity and frequency of the noise in the vehicle body, the signal output end of the first sound sensor (5) is connected with the first signal input end of the audio processor (4), the output end of the voice input module (2) is connected with the second signal input end of the audio processor (4), and the audio output end of the audio processor (4) is connected with the audio input end of the vehicle-mounted processor (1); and the vehicle speed sensor (6) is connected with the vehicle-mounted processor (1); The audio processor (4) carries out noise reduction processing on the interactive voice information data collected by the voice input module (2) by using the intensity and frequency of the noise in the vehicle body detected by the first sound sensor (5), and transmits the processed interactive voice information to the vehicle-mounted processor (1); The vehicle-mounted processor (1) controls the output volume of the voice output module (3) according to the vehicle speed value detected by the vehicle speed sensor (6). 2.The voice interaction device based on vehicle information according to claim 1, characterized in that, The signal amplifier (8) is arranged between the audio processor (4) and the vehicle-mounted processor (1). 3.The voice interaction device based on vehicle information according to claim 1, characterized in that, The greater the vehicle speed value detected by the vehicle speed sensor (6), the greater the output volume of the voice output module (3) controlled by the vehicle-mounted processor (1).

4. The voice interaction device based on vehicle information according to claim 1, characterized in that, The second sound sensor (7) arranged in the vehicle body and detecting the intensity and frequency of the noise in the vehicle body is further included, the signal output end of the second sound sensor (7) is connected with the third signal input end of the audio processor (4), the audio processor (4) carries out weighted calculation on the intensity and frequency of the noise in the vehicle body collected by the first sound sensor (5) and the second sound sensor (7), obtains noise reference data, and carries out noise reduction processing on the interactive voice information data collected by the voice input module (2) by using the noise reference data.

5. The voice interaction device based on vehicle information according to claim 4, characterized in that, The first sound sensor (5) and the second sound sensor (7) are both arranged beside the voice input module (2). 6.The voice interaction device based on vehicle information according to claim 4, characterized in that, The first sound sensor (5) and the second sound sensor (7) are both mounted in the vehicle body through the damping seat.

7. The voice interaction device based on vehicle information according to claim 4, characterized in that, Or the vehicle-mounted processor (1) controls the output volume of the voice output module (3) according to the intensity of the noise in the vehicle body detected by the first sound sensor (5) and the second sound sensor (7).

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