CN-121989978-A - Vehicle control method, vehicle and storage medium

CN121989978ACN 121989978 ACN121989978 ACN 121989978ACN-121989978-A

Abstract

The application discloses a vehicle control method, a vehicle and a storage medium. The method comprises the steps of obtaining vehicle state data of a target vehicle, wherein the vehicle state data comprise a vehicle running gear and a vehicle running speed of the target vehicle, controlling the target vehicle to play target analog audio if the vehicle state data meet preset audio playing conditions, obtaining a reference signal corresponding to the target analog audio in response to receiving external voice data of a target user, filtering the external voice data by utilizing the reference signal to obtain a voice filtering result, carrying out recognition processing on the basis of the voice filtering result to obtain a target control instruction, and controlling the target vehicle to execute functional actions corresponding to the target control instruction in response to the recognition of the target control instruction. The application solves the technical problems of low recognition rate of the user voice command and poor interaction experience when the vehicle plays the safety prompt tone in the related technology.

Inventors

Wen Hualong
LI FUQIANG
LI XIANG

Assignees

广州小鹏汽车科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260205

Claims (10)

1.A vehicle control method characterized by comprising: acquiring vehicle state data of a target vehicle, wherein the vehicle state data comprises a vehicle running gear and a vehicle running speed of the target vehicle; if the vehicle state data meets a preset audio playing condition, controlling the target vehicle to play target analog audio, wherein the target analog audio is used for representing running state audio associated with the target vehicle; Responding to received voice data of a target user outside the vehicle, acquiring a reference signal corresponding to the target analog audio, and filtering the voice data outside the vehicle by utilizing the reference signal to obtain a voice filtering result; Performing recognition processing based on the voice filtering result to obtain a target control instruction; and in response to the identification of the target control instruction, controlling the target vehicle to execute the functional action corresponding to the target control instruction.
2. The vehicle control method according to claim 1, characterized in that the vehicle control method further comprises: And if the vehicle driving gear is a forward gear or a reverse gear and the vehicle driving speed is in a preset speed range, determining that the vehicle state data meets the preset audio playing condition.
3. The vehicle control method according to claim 1, characterized in that the vehicle control method further comprises: Acquiring initial analog audio, wherein the initial analog audio is determined according to the audio preference data of the target user; Analyzing the initial analog audio according to a preset data format to obtain an audio analysis result; determining a target audio parameter based on the vehicle travel speed, wherein the target audio parameter comprises at least one of a volume parameter, a frequency distribution parameter and an audio effect parameter; and adjusting the initial analog audio by utilizing the target audio parameters to obtain the target analog audio.
4. The vehicle control method according to any one of claims 1 to 3, characterized in that the vehicle control method further includes: Converting the target analog audio to obtain a voltage analog signal of the target analog audio; And performing power conversion processing on the voltage analog signal to obtain a target audio power signal, wherein the target audio power signal is used for driving an off-vehicle audio playing component.
5. The vehicle control method according to claim 4, characterized in that acquiring the reference signal corresponding to the target analog audio includes: in response to the generation of the voltage analog signal, synchronously sampling and converting the voltage analog signal by using an analog-to-digital converter to obtain the reference signal, or And collecting the target analog audio as the reference signal.
6. The vehicle control method according to claim 1, characterized in that filtering the off-vehicle voice data using the reference signal to obtain the voice filtering result includes: performing echo filtering processing on the voice data outside the vehicle by using the reference signal to obtain a preliminary filtering signal; And performing background noise suppression processing on the preliminary filtering signal to output the voice filtering result in response to the completion of echo filtering processing on the voice data outside the vehicle.
7. The vehicle control method according to claim 6, characterized in that performing echo filtering processing on the off-vehicle voice data using the reference signal, obtaining the preliminary filtering signal includes: Extracting time domain features and frequency domain features of the reference signal; Determining a filter coefficient of a preset echo filter according to the time domain characteristics and the frequency domain characteristics, wherein the filter coefficient is used for filtering echo audio corresponding to the target analog audio in the off-vehicle voice data; and echo filtering is carried out on the voice data outside the vehicle by utilizing the filter coefficient, so as to obtain the preliminary filtering signal.
8. A vehicle, characterized by comprising: A memory storing an executable program; A processor for executing the program, wherein the program when run performs the method of any of claims 1 to 7.
9. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored executable program, wherein the executable program when run controls a device in which the storage medium is located to perform the method of any one of claims 1 to 7.
10. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any one of claims 1 to 7.

Description

Vehicle control method, vehicle and storage medium Technical Field The present application relates to the field of vehicle technologies, and in particular, to a vehicle control method, a vehicle, and a storage medium. Background With the development of human-vehicle interaction technology, voice control outside the vehicle has become an important function for improving user experience, which allows a user to operate the vehicle through voice instructions without touching the vehicle, thereby greatly improving convenience and safety. However, the voice control function outside the vehicle faces significant challenges in practical applications, and in the related art, when the vehicle is traveling at a low speed, a low-speed safety prompt tone needs to be emitted according to a rule requirement to prompt the attention of the pedestrian. However, in the external voice control scene, echo and noise problems are brought, especially, the low-speed safety prompt tone is overlapped with the voice command of the user, so that the voice recognition system of the vehicle is difficult to accurately distinguish and recognize the real command of the user, and the reliability and the user experience of voice control are reduced. In view of the above problems, no effective solution has been proposed at present. Disclosure of Invention The embodiment of the application provides a vehicle control method, a vehicle and a storage medium, which at least solve the technical problems of low recognition rate and poor interaction experience of a user voice command when the vehicle plays a safety prompt tone in the related technology. According to one aspect of the embodiment of the application, a vehicle control method is provided, which comprises the steps of obtaining vehicle state data of a target vehicle, wherein the vehicle state data comprise a vehicle driving gear and a vehicle driving speed of the target vehicle, controlling the target vehicle to play target simulation audio if the vehicle state data meet preset audio playing conditions, obtaining a reference signal corresponding to the target simulation audio in response to receiving vehicle external voice data of a target user, filtering the vehicle external voice data by utilizing the reference signal to obtain a voice filtering result, performing recognition processing based on the voice filtering result to obtain a target control instruction, and controlling the target vehicle to execute a functional action corresponding to the target control instruction in response to recognizing the target control instruction. Optionally, the vehicle control method further comprises determining that the vehicle state data meets a preset audio playing condition if the vehicle driving gear is a forward gear or a reverse gear and the vehicle driving speed is in a preset speed range. Optionally, the vehicle control method further comprises the steps of obtaining initial simulation audio, wherein the initial simulation audio is determined according to audio preference data of a target user, analyzing the initial simulation audio according to a preset data format to obtain an audio analysis result, determining target audio parameters based on the vehicle running speed, wherein the target audio parameters comprise at least one of volume parameters, frequency distribution parameters and audio parameters, and adjusting the initial simulation audio by utilizing the target audio parameters to obtain the target simulation audio. Optionally, the vehicle control method further comprises the steps of converting the target analog audio to obtain a voltage analog signal of the target analog audio, and performing power conversion on the voltage analog signal to obtain a target audio power signal, wherein the target audio power signal is used for driving an off-vehicle audio playing component. Optionally, acquiring the reference signal corresponding to the target analog audio includes synchronously sampling and converting the voltage analog signal by using an analog-to-digital converter in response to generation of the voltage analog signal to obtain the reference signal, or acquiring the target analog audio as the reference signal. Optionally, filtering the voice data outside the vehicle by using the reference signal to obtain a voice filtering result, wherein the step of performing echo filtering on the voice data outside the vehicle by using the reference signal to obtain a preliminary filtering signal, and the step of performing background noise suppression on the preliminary filtering signal to output the voice filtering result in response to the completion of the echo filtering on the voice data outside the vehicle. Optionally, echo filtering is performed on the voice data outside the vehicle by using the reference signal to obtain a preliminary filtering signal, wherein the preliminary filtering signal comprises the steps of extracting time domain features and frequency domain features of the re