Title :
Time domain use of the EM algorithm in noise cancellation
Author :
Lowerre, James M.
fDate :
4/1/1991 12:00:00 AM
Abstract :
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
Keywords :
approximation theory; interference suppression; signal processing; time-domain analysis; EM; approximations; estimate maximize algorithm; noise cancellation; signal processing; spectrum estimates; statistical model; time domain; Covariance matrix; Density functional theory; Microphones; Noise cancellation; Signal processing; Signal processing algorithms; Statistics;
Journal_Title :
Signal Processing, IEEE Transactions on
