Time-varying allpass filters using spectral-shaped noise for signal decorrelation in stereophonic acoustic echo cancellation

In this paper, a signal decorrelation technique is presented that aims to minimise the degradation on stereo signal perception, whilst alleviating the non-uniqueness problem in stereophonic acoustic echo cancellation (SAEC). The proposed technique is based on higher-order time-varying allpass filter...

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Bibliographic Details
Main Authors: N. Tangsangiumvisai, Jonathon Chambers, A.G. Constantinides
Format: Default Conference proceeding
Published: 2002
Subjects:
Mechanical engineering not elsewhere classified
Acoustic signal processing
All-pass filters
Decorrelation
Echo suppression
Interpolation
Spectral analysis
Speech processing
Teleconferencing
Time-varying filters
Mechanical Engineering not elsewhere classified
Online Access:https://hdl.handle.net/2134/5767
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