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Development and evaluation of pocket-size real-time blind source separation microphone

By Takashi Hiekata, Yohei Ikeda, Toshiro Yanashita, Takashi Morita, Ruoyu Zhang, Yoshimitsu Mori, Hiroshi Saruwatari and Kiyohiro Shikano

Abstract

We develop a new blind source separation (BSS) microphone, named SSM-001, which can separate multiple sounds in real time under noisy conditions. The BSS microphone is based on our previously proposed BSS algorithm, in which single-input multiple-output (SIMO)-model-based BSS and SIMO-model-based binary masking are combined. We modify this algorithm and implement it in a digital signal processor for a more effective and realistic real-time operation. In this paper, the issue of real-time implementation in the BSS microphone is illustrated in detail, and the experimental evaluations of the hardware reveal the efficacy of the proposed BSS microphone

Topics: DSP, Blind source separation, Real-time implementation
Publisher: 'Acoustical Society of Japan'
Year: 2009
DOI identifier: 10.1250/ast.30.297
OAI identifier: oai:library.naist.jp:10061/7837
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