Journal of the Acoustical Society of America, volume 116, issue 2, pages 1105-1115

Perceptual evaluation of multi-dimensional spatial audio reproduction

Catherine Guastavino 1
Brian F.G. Katz 2
Publication typeJournal Article
Publication date2004-08-01
scimago Q1
SJR0.687
CiteScore4.6
Impact factor2.1
ISSN00014966, 15208524
PubMed ID:  15376676
Acoustics and Ultrasonics
Arts and Humanities (miscellaneous)
Abstract

Perceptual differences between sound reproduction systems with multiple spatial dimensions have been investigated. Two blind studies were performed using system configurations involving 1-D, 2-D, and 3-D loudspeaker arrays. Various types of source material were used, ranging from urban soundscapes to musical passages. Experiment I consisted in collecting subjects’ perceptions in a free-response format to identify relevant criteria for multi-dimensional spatial sound reproduction of complex auditory scenes by means of linguistic analysis. Experiment II utilized both free response and scale judgments for seven parameters derived form Experiment I. Results indicated a strong correlation between the source material (sound scene) and the subjective evaluation of the parameters, making the notion of an “optimal” reproduction method difficult for arbitrary source material.

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