Evaluation of blind signal separation method using directivity pattern under reverberant conditions

  title={Evaluation of blind signal separation method using directivity pattern under reverberant conditions},
  author={Satoshi Kurita and Hiroshi Saruwatari and Shoji Kajita and Kazuya Takeda and Fumitada Itakura},
This paper describes a new blind signal separation method using the directivity pattems of the microphone array. In this method, to deal with the arriving lags among each microphone, the inverses of the mixing matrices are calculated in the frequency domain so that the separated signals are mutually independent. Since the calculations are carried out in each frequency independently, the following problems arise: ( 1 ) permutation of each sound source, (2) arbitrariness of each source gain. In… CONTINUE READING
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A method of ICA in time-frequency domain,

S. lkeda, N. Murata
Proceedings of International Workshop on Independent Component Analysis and Blind Signal Separation (ICA ’99), • 1998

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