This paper reviews and develops a statistical time-frequency model of late reverberation decays, as well as an associated analysis procedure for deriving the "Time Frequency Envelope" of the reverberation from a measured impulse response, based on the notion of "Energy Decay Relief." The models and techniques described are applied to the in situ measurement of diffuse-field HRTFs, characterization and equalization of transducers in diffuse fields, and artificial reverberation and distance control in virtual auditory displays.

Authors: Jot, Jean-Marc; Cerveau, Laurent; Warusfel, Olivier
Affiliation: IRCAM, Paris, France
AES Convention: 103 (September 1997) Paper Number: 4629
Publication Date: September 1, 1997
Subject: Room Acoustics and Simulation Techniques

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