DEVELOPMENT OF A DIGITIZED MEASURING INSTRUMENT FOR REVERBERATION TIME.

被引：0
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作者：
Yamamoto, Teruji
Suzuki, Fumiyoshi
机构：
来源：
NHK Laboratories Note | 1980年 / 258期
关键词：
ACOUSTIC VARIABLES MEASUREMENT - ACOUSTICS - Reverberation;
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摘要：
This paper describes the results produced by a small-sized digitized measuring instrument by which the reverberation time of auditoria and studios can be simply measured in the field. The calculating process used in the instrument is based on Schroeder's ″integrated impulse method″ . The fundamental principle of this method is to replace visual linear approximation of logarithmic decay curves in the ordinary interrupted band-noise procedure by using the principle of ″least squares″ .
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