Comprehensive Evaluation of CNN-Based Audio Tagging Models on Resource-Constrained Devices

• URL: http://arxiv.org/abs/2509.14049v2
• Date: Fri, 19 Sep 2025 10:37:07 GMT
• Title: Comprehensive Evaluation of CNN-Based Audio Tagging Models on Resource-Constrained Devices
• Authors: Jordi Grau-Haro, Ruben Ribes-Serrano, Javier Naranjo-Alcazar, Marta Garcia-Ballesteros, Pedro Zuccarello,
• Abstract summary: Convolutional Neural Networks (CNNs) have demonstrated exceptional performance in audio tagging tasks.<n> deploying these models on resource-constrained devices like the Raspberry Pi poses challenges related to computational efficiency and thermal management.
• Score: 0.22369578015657954
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Convolutional Neural Networks (CNNs) have demonstrated exceptional performance in audio tagging tasks. However, deploying these models on resource-constrained devices like the Raspberry Pi poses challenges related to computational efficiency and thermal management. In this paper, a comprehensive evaluation of multiple convolutional neural network (CNN) architectures for audio tagging on the Raspberry Pi is conducted, encompassing all 1D and 2D models from the Pretrained Audio Neural Networks (PANNs) framework, a ConvNeXt-based model adapted for audio classification, as well as MobileNetV3 architectures. In addition, two PANNs-derived networks, CNN9 and CNN13, recently proposed, are also evaluated. To enhance deployment efficiency and portability across diverse hardware platforms, all models are converted to the Open Neural Network Exchange (ONNX) format. Unlike previous works that focus on a single model, our analysis encompasses a broader range of architectures and involves continuous 24-hour inference sessions to assess performance stability. Our experiments reveal that, with appropriate model selection and optimization, it is possible to maintain consistent inference latency and manage thermal behavior effectively over extended periods. These findings provide valuable insights for deploying audio tagging models in real-world edge computing scenarios.

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