A Frequency Domain Nonlinearity for Stereo Echo Cancellation

Ming WU  Zhibin LIN  Xiaojun QIU 

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences  Vol.E88-A  No.7  pp.1757-1759
Publication Date: 2005/07/01
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Multi-channel Acoustic Signal Processing)
Category: 
Keyword: 
acoustic echo cancellation,  nonlinearity,  psychoacoustic,  stereo, 

Full Text: PDF(133.8KB)

Summary: 
This letter proposes a novel nonlinear distortion for the unique identification of receiving room impulses in stereo acoustic echo cancellation when applying the frequency-domain adaptive filtering technique. This nonlinear distortion is effective in reducing the coherence between the two incoming audio channels and its influence on audio quality is inaudible.