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A novel algorithm for effective channel order estimation, NECOE, is proposed in this paper, which exploits the relation of the channel order and a special matrix constructed by ldquonoiserdquo subspace, and derives a new theorem about the special matrix. Based on the new theorem, the novel algorithm estimates the channel order by modifying the dimension of ldquonoiserdquo subspace. Simulations prove...
A family of approaches for multi-microphone speech dereverbera- tion in colored noise environments, which uses the eigen-decomposition of the data correlation matrix, is studied in this paper. A recently proposed method shows that the Room Impulse Response (RIR)s, relating the speech source and the microphones, are embedded in the null subspace of the received signals. In cases where the channel order...
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