SonicSim: A customizable simulation platform for speech processing in moving sound source scenarios

• URL: http://arxiv.org/abs/2410.01481v1
• Date: Wed, 2 Oct 2024 12:33:59 GMT
• Title: SonicSim: A customizable simulation platform for speech processing in moving sound source scenarios
• Authors: Kai Li, Wendi Sang, Chang Zeng, Runxuan Yang, Guo Chen, Xiaolin Hu,
• Abstract summary: We introduce SonicSim, a synthetic toolkit to generate data for moving sound sources. It supports multi-level adjustments, including scene-level, microphone-level, and source-level. To validate the differences between synthetic data and real-world data, we randomly selected 5 hours of raw data without reverberation. The results indicate that the synthetic data generated by SonicSim can effectively generalize to real-world scenarios.
• Score: 19.24195341920164
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The systematic evaluation of speech separation and enhancement models under moving sound source conditions typically requires extensive data comprising diverse scenarios. However, real-world datasets often contain insufficient data to meet the training and evaluation requirements of models. Although synthetic datasets offer a larger volume of data, their acoustic simulations lack realism. Consequently, neither real-world nor synthetic datasets effectively fulfill practical needs. To address these issues, we introduce SonicSim, a synthetic toolkit de-designed to generate highly customizable data for moving sound sources. SonicSim is developed based on the embodied AI simulation platform, Habitat-sim, supporting multi-level adjustments, including scene-level, microphone-level, and source-level, thereby generating more diverse synthetic data. Leveraging SonicSim, we constructed a moving sound source benchmark dataset, SonicSet, using the Librispeech, the Freesound Dataset 50k (FSD50K) and Free Music Archive (FMA), and 90 scenes from the Matterport3D to evaluate speech separation and enhancement models. Additionally, to validate the differences between synthetic data and real-world data, we randomly selected 5 hours of raw data without reverberation from the SonicSet validation set to record a real-world speech separation dataset, which was then compared with the corresponding synthetic datasets. Similarly, we utilized the real-world speech enhancement dataset RealMAN to validate the acoustic gap between other synthetic datasets and the SonicSet dataset for speech enhancement. The results indicate that the synthetic data generated by SonicSim can effectively generalize to real-world scenarios. Demo and code are publicly available at https://cslikai.cn/SonicSim/.

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