Spatial impression as measured in concert and opera auditoria
Identifieur interne : 002736 ( Main/Exploration ); précédent : 002735; suivant : 002737Spatial impression as measured in concert and opera auditoria
Auteurs : Michael BarronSource :
- The Journal of the Acoustical Society of America [ 0001-4966 ] ; 1998-05.
Descripteurs français
- Pascal (Inist)
- 4390.
Abstract
A coherent set of subjective experiments (published in 1973 and 1981) established the effect of spatial impression associated with early lateral reflections. The early lateral energy fraction was proposed as an objective measure. Some authors have preferred to use measures linked to cross correlation, presumably on the basis that this is probably closer to the mechanism used by the ear. The paper reviews the results of measurements of the early lateral energy fraction in 17 British concert spaces, as well as considering the measured results by Bradley in 13 North American concert halls. The discussion considers the relationship between early lateral energy fraction and hall width, the behavior of the measure close to the source and in both parallel-sided halls and fan-shaped halls. The design requirements for high spatial impression are also considered. The subjective effect of early lateral reflections is also influenced by sound level. The consequences for design of considering this additional variable in combination with the directional distribution will also be discussed. Spatial impression in concert halls and opera houses will be examined.
Affiliations:
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Le document en format XML
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