A study on the time constant for an impulse sound level meter (A study on the loudness of impact sound. V):A study on the loudness of impact sound. V
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概要
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Some experiments on the loudness of impact sound were carried out, where the modelimpact sounds based on the actual ones were used as test stimuli. From these experiments, it is clarified that the reading of the sound pressure level through a circuit witha certain time constant can well describe the loudness of impact sounds than its soundenergy does. The values of the time constant of exponential averaging circuit are investigated, accordingly. As the results of this study, a sound level meter with two exponentialaveraging circuits, one of which has5ms rise time constant and250ms decay timeconstant, and the other has125ms rise time constant and250ms decay time constant, shows a good agreement with loudness of a single or repeated impact sounds in the same way as in the loudness of steady sound.
- 一般社団法人 日本音響学会の論文
一般社団法人 日本音響学会 | 論文
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