An experiment was performed to determine the attributes that contribute to listener preference for a range of spatial audio reproduction methods. Experienced and inexperienced listeners made preference ratings for combinations of seven program items replayed over eight reproduction systems, and reported the reasons for their judgments. Automatic text clustering reduced redundancy in the responses by approximately 90%, thereby facilitating subsequent group discussions that produced clear attribute labels, descriptions, and scale end-points. Twenty-seven and twenty-four attributes contributed to preference for the experienced and inexperienced listeners respectively. The two sets of attributes contain a degree of overlap (ten attributes from the two sets were closely related); the experienced listeners used more technical terms while the inexperienced listeners used broader descriptive categories.

Authors: Francombe, Jon; Brookes, Tim; Mason, Russell
Affiliation: Institute of Sound Recording, University of Surrey, Guildford, UK
JAES Volume 65 Issue 3 pp. 198-211; March 2017
Publication Date: March 14, 2017

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