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Convention Paper

A Binaural Simulation Approach to Predicting -Immersion- in the Concert Hall Sound Field

Authors: Conant, D.A.

AES Convention 60 · Paper 1373 · May 1978

Abstract

A calibrated binaural manikin and tape record/playback technique is described from which meaningful subjective and objective characteristics of the acoustical -atmosphere- of locations in spaces are extracted. Analysis of the source-path-receiver transfer functions in space, frequency, and time domains together with psycho-acoustical paired comparisons using headphones and properly equalized, single-source anechoic music played in several auditoria showed the following: 1) Apparent Source Width (ASW) can vary significantly throughout a space and, among other things, is a function of listening level and the running short-time cross-correlation coefficient between the ears for frequencies below about 2 kHz. 2) In general, when the sound source is located on the axis of symmetry of a room, listeners are likely to feel more surrounded by sound (larger ASW) when they are seated some distance from that axis (t=2.90, df=49, significant at the 99.5% confidence level).

Details

Published in
AES Convention 60
AES Convention
60
Paper number
1373
Publication date
May 6, 1978
Affiliation
Bolt Beranek and Newman, Inc., Canoga Park, CA (See document for exact affiliation information.)
Type
Convention Paper