Efficient μ-law improved proportionate affine projection algorithm for echo cancellation

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Abstract

For echo cancellation, the proportionate affine projection algorithm (APA) has been proposed to take advantage of the sparseness of the echo path. In this reported work, the -law proportionate technique is applied to the APA combined with a recently proposed structure having a memory of the proportionate step-size control matrices. Simulation results show that this new algorithm, termed the -law memorised improved proportionate APA (MMIPAPA), as well as its segmented implementation (SMIPAPA), yields a further performance improvement while maintaining low computational complexity.

Original languageEnglish (US)
Pages (from-to)73-74
Number of pages2
JournalElectronics Letters
Volume47
Issue number2
DOIs
StatePublished - Jan 20 2011

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