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Conference Paper

Dereverberation Using a Model for the Spatial Coherence of Decaying Reverberant Sound Fields in Rectangular Rooms

Authors: Nees, Sam; Schwarz, Andreas; Kellermann, Walter

AES Conference: 60th International Conference: Dereverberation and Reverberation of Audio, Music, and Speech · Paper 5-4 · January 2016

Abstract

In rooms with nonuniform absorption due to different material properties, the spatial properties of the decaying reverberant sound field were found to be time-variant, violating the common assumption of a diffuse sound field. Recently, we proposed a model for the coherence of such a sound field in a rectangular room, using knowledge of the geometry and surface reflection coefficients. In this paper, we describe a coherence-based dereverberation method based on this model. We conduct an evaluation with impulse responses which were generated for rooms with non-uniform absorption, confirming that the model can be applied for speech dereverberation.

Details

Published in
AES Conference: 60th International Conference: Dereverberation and Reverberation of Audio, Music, and Speech
Paper number
5-4
Publication date
January 6, 2016
Session subject
Paper Session 5
Affiliation
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany (See document for exact affiliation information.)
Type
Conference Paper