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Time domain use of the EM algorithm in noise cancellation

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1 Author(s)

A method for canceling noise in a multimicrophone situation which uses the estimate-maximize (EM) algorithm in the time domain is proposed. A development of the statistical model is presented. Some aspects of the EM algorithm are briefly discussed. The development in the time domain of its use with a signal processing problem is presented. Two approximations are presented. The time-domain method will permit smaller data blocks to be used since no assumption of stationarity and estimates of the spectrum are used

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Signal Processing, IEEE Transactions on  (Volume:39 ,  Issue: 4 )