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ResNet Based on Multi-Feature Attention Mechanism for Sound Classification in Noisy Environments

Author

Listed:
  • Chao Yang

    (The 10th Research Institute of China Electronics Technology Group Corporation, Chengdu 610036, China
    School of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
    These authors contributed equally to this work.)

  • Xingli Gan

    (School of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
    These authors contributed equally to this work.)

  • Antao Peng

    (School of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China)

  • Xiaoyu Yuan

    (School of Information and Electronic Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China)

Abstract

Environmental noise affects people’s lives and poses challenges for urban sound classification. Traditional algorithms such as Mel frequency cepstral coefficients (MFCCs) struggle due to audio signal complexity. This study applied an attention mechanism to a deep residual network (ResNet) deep learning network to overcome the structural impact of urban noise on audio signals and improve classification accuracy. We propose a three-feature fusion ResNet + attention method (Net50_SE) to maximize information representation in environmental sound signals. This method uses residual structured convolutional neural networks (CNNs) for feature extraction in sound classification tasks. Additionally, an attention module is added to suppress environmental noise impact and focus on different feature map channels. The experimental results demonstrate the effectiveness of our method, achieving 93.2% accuracy compared with 82.87% with CNN and 84.77% with long short-term memory (LSTM). Our model provides higher accuracy and confidence in urban sound classification.

Suggested Citation

  • Chao Yang & Xingli Gan & Antao Peng & Xiaoyu Yuan, 2023. "ResNet Based on Multi-Feature Attention Mechanism for Sound Classification in Noisy Environments," Sustainability, MDPI, vol. 15(14), pages 1-15, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:14:p:10762-:d:1189852
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