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22 July 2024 Application of target sound source presence probability combined with RTF features in GSC beamforming
Zidu Yang, Bo Wang, Li Hu, Huawei Wang
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Proceedings Volume 13222, International Conference on Signal Processing and Communication Security (ICSPCS 2024); 132220D (2024) https://doi.org/10.1117/12.3038675
Event: Third International Conference on Signal Processing and Communication Security (ICSPCS 2024), 2024, Chengdu, China
Abstract
The Generalized Sidelobe Canceller (GSC) is a classical beamforming technique widely used in microphone array speech enhancement. To enhance its interference suppression capability in complex acoustic environments, this paper integrates the Spatial Sound Presence Probability (SSPP) based on the Relative Transfer Function (RTF). By estimating the spatial presence probability of the target sound source using RTF characteristics, the method distinguishes between target and interference sources in the frequency domain. This probabilistic reconstruction of the target sound source ultimately improves speech quality. Simulation results demonstrate that the improved GSC exhibits superior speech quality and interference suppression under various Signal-to-Interference Ratio (SIR) conditions.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Zidu Yang, Bo Wang, Li Hu, and Huawei Wang "Application of target sound source presence probability combined with RTF features in GSC beamforming", Proc. SPIE 13222, International Conference on Signal Processing and Communication Security (ICSPCS 2024), 132220D (22 July 2024); https://doi.org/10.1117/12.3038675
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KEYWORDS
Phased arrays
Spatial filtering
Matrices
Acoustics
Interference (communication)
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