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Convention Paper

On the Statistics of Binaural Room Transfer Functions

Authors: Georganti, Eleftheria; May, Tobias; van de Par, Steven; Mourjopoulos, John

AES Convention 132 · Paper 8619 · April 2012

Abstract

The well-known property of the spectral standard deviation of Room Transfer Functions (RTFs), that is, its convergence to 5.57 dB, is extended to reverberant Binaural Room Transfer Functions (BRTFs). The BRTFs are related to the anechoic Head Related Transfer Functions (HRTFs) and the corresponding RTFs. Consequently, the statistical properties of the RTFs and HRTFs can be systematically related to the statistical properties of the BRTFs. In this work, the standard deviation of BRTFs measured in different types of rooms, for various source/receiver distances and azimuth angles is computed. The derived values are compared to the ones obtained from the single channel RTFs measured at the same positions. Their relationship to the 5.57 dB value is discussed.

Details

Published in
AES Convention 132
AES Convention
132
Paper number
8619
Publication date
April 6, 2012
Session subject
Analysis and Synthesis
Affiliation
University of Patras, Patras, Greece; University of Oldenburg, Oldenburg, Germany (See document for exact affiliation information.)
Type
Convention Paper