Exploring an Intelligent Classification Model for the Recognition of Automobile Sounds Based on EEG Physiological Signals

Jingjing Guo, Tao Xu, Liping Xie () and Zhien Liu ()
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Jingjing Guo: Wuhan Vocational College of Software and Engineering (Wuhan Open University), Wuhan 430205, China
Tao Xu: Hubei Collaborative Location Center for Automotive: Components Technology, Wuhan University of Technology, Wuhan 430070, China
Liping Xie: Hubei Collaborative Location Center for Automotive: Components Technology, Wuhan University of Technology, Wuhan 430070, China
Zhien Liu: Hubei Collaborative Location Center for Automotive: Components Technology, Wuhan University of Technology, Wuhan 430070, China

Mathematics, 2024, vol. 12, issue 9, 1-17

Abstract: The advancement of an intelligent automobile sound switching system has the potential to elevate the market standing of automotive products, with the pivotal prerequisite being the selection of automobile sounds based on the driver’s subjective perception. The subjective responses of diverse individuals to sounds can be objectively manifested through EEG signals. Therefore, EEG signals are employed herein to attain the recognition of automobile sounds. A subjective evaluation and EEG signal acquisition experiment are designed involving the stimulation of three distinct types of automobile sounds, namely comfort, power, and technology sounds, and a comprehensive database of EEG signals corresponding to these three sound qualities is established. Then, a specific transfer learning model based on a convolutional neural network (STL-CNN) is formulated, where the method of training the upper layer parameters with the fixed bottom weights is proposed to adaptively extract the EEG features related to automobile sounds. These improvements contribute to improving the generalization ability of the model and realizing the recognition of automobile sounds fused with EEG signals. The results of the comparison with traditional support vector machine (SVM) and convolutional neural network (CNN) models demonstrate that the accuracy of the test set of the STL-CNN model reaches 91.5%. Moreover, its comprehensive performance, coupled with the ability to adapt to individual differences, surpasses that of both SVM and CNN models. The demonstrated method in the recognition of automobile sounds based on EEG signals is of significance for the future implementation of switching driving sound modes fused with EEG signals.

Keywords: automobile sound; recognition; specific learning model; convolutional neural network; EEG signal (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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