Abstract
Blind source separation (BSS) of independent sources from their convolutive mixtures is a problem in many real-world multi-sensor applications. In this paper, we propose an improved BSS method for audio signals based on ICA (independent component analysis) technique. It is performed by implementing non-causal filters instead of causal filters within the feedback network of the ICA based BSS method. It reduces the required length of the unmixing filters considerably as well as providing better results and faster convergence compared to the case with the conventional causal filters. The proposed method has been simulated and compared for real world audio signals.
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