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Convention Paper

The Effects of the Depth and Width of an Ambience Microphone Array on Perceived Depth, Width and Listener Envelopment

Authors: Lee, Hyunkook

AES Convention 149 · Paper 10434 · October 2020

Abstract

This paper presents a subjective study that investigated the effects of the depth and width dimensions of a 4-channel ambience microphone array on perceived environmental depth (ED), environmental width (EW) and listener envelopment (LEV). Test stimuli were reverberant recordings made using four backward-facing cardioid microphones with varying depth and width dimensions (0.5m, 1m and 2m). Listening tests conducted using four loudspeakers ±30° and ±120° found that the array depth had no significant effect on either ED, EW or LEV. The array width effect was significant on all of EW, ED and LEV (1m = 2m > 0.5m), with ED significantly dependent on the type of sound source. From this, a new microphone array for 3D ambience recording is proposed.

Details

Published in
AES Convention 149
AES Convention
149
Paper number
10434
Publication date
October 6, 2020
Session subject
Recording, Production, and Reproduction
Affiliation
Applied Psychoacoustics Lab, University of Huddersfield, UK (See document for exact affiliation information.)
Type
Convention Paper