Different concepts for reducing sibilants in recorded speech have been developed and have been successfully implemented as 'De-Esser' hardware. Most of them are working in the analog domain, only a few implementations using adaptive mechanisms. Therefore a digital algorithm is introduced which basically uses psychoacoustic and physical units to detect sibilancy and to adapt a time-variant bandpass filter to perform the de-esser operation.

Authors: Wolters, Martin; Sapp, Markus; Becker-Schweitzer, Jörg
Affiliations: TELOS Systems, Cleveland, OH ; Institute of Communication Engineering Aachen University of Technology, Aachen, Germany(See document for exact affiliation information.)
AES Convention: 104 (May 1998) Paper Number: 4677
Publication Date: May 1, 1998
Subject: Signal Processing

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