Opens in a new tab

AES E-Library

← Back to search

Convention Paper

Effect of Listening Room on Audio Quality in Ambisonics Reproduction

Authors: Santala, Olli; Vertanen, Heikki; Pekonen, Jussi; Oksanen, Jan; Pulkki, Ville

AES Convention 126 · Paper 7664 · May 2009

Abstract

In multi-channel reproduction of spatial audio with first-order Ambisonics the loudspeaker signals are relatively coherent, which produces prominent coloration. The coloration artifacts have been suggested to depend on the acoustics of the listening room. This dependency was researched with subjective listening

tests in an anechoic chamber with an octagonal loudspeaker setup. Different virtual listening rooms were created by adding diffuse reverberation with 0.25 seconds RT60 using a 3D 16-channel loudspeaker setup. In the test, the sub jects compared the audio quality in the virtual rooms. The results suggest that optimal audio quality was obtained when the virtual room effect and the direct sound were on equal level at the listening position.

Details

Published in
AES Convention 126
AES Convention
126
Paper number
7664
Publication date
May 6, 2009
Session subject
Recording, Reproduction, and Delivery
Affiliation
Helsinki University of Technology, Espoo, Finland; University of Helsinki, Helsinki, Finland (See document for exact affiliation information.)
Type
Convention Paper