Vehicle door closing sound quality evaluation method and system

An evaluation method and sound quality technology, applied in speech analysis, instruments, etc., can solve the problems of poor mutual independence, defects in accuracy and reliability, and many evaluation parameters, so as to meet the needs of door closing sound quality evaluation and ensure accuracy performance, reliability, and ease of operation

Pending Publication Date: 2022-03-22
DONGFENG MOTOR GRP
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Problems solved by technology

However, the traditional comprehensive evaluation method requires many evaluation parameters, and the independence of each evaluation parameter is not good. The evaluation process is cumbersome and requires more data samples, resulting in a large workload. The impact of the sample is relatively large, and there are certain defects in accuracy and reliability

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  • Vehicle door closing sound quality evaluation method and system
  • Vehicle door closing sound quality evaluation method and system
  • Vehicle door closing sound quality evaluation method and system

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Embodiment Construction

[0054] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0055] Embodiments of the present application will be described in further detail below in conjunction with the accompanying drawings.

[0056] The embodiment of the present application provides a method and system for evaluating the sound quality of vehicle door closing, which requires fewer data samples, performs data processing on th...

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Abstract

The invention relates to a vehicle door closing sound quality evaluation method and system, and relates to the technical field of automobile testing, and the method comprises the following steps: collecting and obtaining a vehicle door closing sound signal of a to-be-evaluated vehicle, and intercepting and obtaining a first door closing sound signal in a process from the beginning of rotation of a vehicle door to the complete closing of the vehicle door; performing spectral analysis on the preprocessed first door closing sound signal to obtain energy spectrum data corresponding to the first door closing sound signal; performing Mel filtering on the energy spectrum data, and calculating to obtain MFCC data of the to-be-evaluated vehicle; and based on preset door closing sound quality calibration data and the MFCC data of the to-be-evaluated vehicle, calculating to obtain a door closing sound quality score value corresponding to the to-be-evaluated vehicle. According to the method, data processing is carried out on the vehicle door closing sound signal to obtain the corresponding MFCC data, door closing sound quality evaluation is carried out in combination with the door closing sound quality calibration data, and the current door closing sound quality evaluation requirement is met on the premise that accuracy and reliability are guaranteed.

Description

technical field [0001] The present application relates to the technical field of automobile testing, in particular to a method and system for evaluating the sound quality of vehicle door closing. Background technique [0002] With the development of the times, people's quality awareness is getting stronger and stronger. In the field of automobile consumption, the quality of the sound of closing doors is one of the important indicators for judging the grade of automobiles. People are paying more and more attention to the quality of door closing sound, and major automobile manufacturers are also sparing no effort to improve the quality of door closing sound. [0003] At present, the evaluation of the sound quality of closing the door is based on several evaluation parameters of the sound quality, such as loudness, sharpness, roughness, vibration, etc. for comprehensive evaluation. However, the traditional comprehensive evaluation method requires many evaluation parameters, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L25/24G10L25/60
CPCG10L25/24G10L25/60
Inventor 高小清张浩周副权刘年李星
Owner DONGFENG MOTOR GRP
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