ECHO Cancelation using LMS Filters
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Abstract
The common adaptive algorithms that have found widespread application are the Least Mean Squares (LMS) and the Recursive Least
Squares (RLS). The LMS is the most efficient in terms of computation and storage requirements. It does not suffer from numerical instability
problem inherent in the other algorithm. One of the major features of adaptive noise cancellation schemes is the identification of external noise
and cancellation of the external noise signal. Continuous adaption to changing environment requires the use of adaptive systems for the
identification purposes.
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Keywords: ECHO, LMS filters, adaptive systems
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