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We have proposed a new algorithm for sparseness-based underdetermined blind source separation (BSS) that can cope with diffused noise environments. This algorithm includes a technique for estimating the time-difference-of-arrival (TDOA) parameter separately in individual frequency bins for each source. In this paper, we propose methods that integrate the frequency-bin-wise TDOA parameter to estimate...
This paper presents our real-time meeting analyzer for monitoring conversations in an ongoing group meeting. The goal of the system is to recognize automatically “who is speaking what” in an online manner for meeting assistance. Our system continuously captures the utterances and face poses of each speaker using a microphone array and an omni-directional camera positioned at the center of the meeting...
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