Objective measures of listener envelopment

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Journal titleJournal of the Acoustical Society of America
Pages25902597; # of pages: 8
AbstractThis paper reports the results of subjective studies to determine objective predictors of perceivedlistener envelopment in concert halls. Subjects, seated in an anechoic room, were exposed tosimulated sound fields that were expected to have varied listener envelopment. As independentvariables: the reverberation time the early-to-late sound ratio, the overall sound level, and theangular distribution of the late-arriving sound levels were varied. All of these factors hadstatistically significant effects on perceived listener envelopment. The results indicate, however, that the angular distribution of the late arriving sound and the overall level would have the largest effects in real concert halls. Thus listener envelopment depends on having strong lateral reflections arriving at the listener 80 ms or more after the direct sound. Several objective measures correlated significantly with listener envelopment. However, a new measure, the late lateral sound level, as measured using a figure-of-eight microphone, was found to be both conceptually simple and a very good predictor of the perceived listener envelopment of the sound fields in this experiment.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number38938
NPARC number20375470
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Record identifierbe12bb70-20ce-4d9e-ab16-99b48af4ef6c
Record created2012-07-23
Record modified2016-05-09
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