The Journal of Japanese Society of Stomatognathic Function
Online ISSN : 1883-986X
Print ISSN : 1340-9085
ISSN-L : 1340-9085
The Analysis of Clicking Sound
—The relation between the loudness of clicking sound and sound spectrum—
Keiji Oi, Masanori Nakano, Eiichi Bando, Motoharu Kori, Koji Kondo, Eiji Yamauchi, Yutaka Sato
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Keywords: clicking, acoustic characteristics, mean power frequency, peak sound pressure level
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1995 Volume 1 Issue 2 Pages 261-267

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Abstract
The aim of this research was to investigate the acoustic characteristics of clicking sound.
In this article, Peak Sound Pressure Level (PSPL) and Mean Power Frequency (MPF) were studied, and the relation of both parameters was investigated. The subjects were 6 patients with unilateral reciprocal clicking caused by anterior displacement of the disc with reduction. The results were as follows.
1. The mean values of PSPL ranged 78.2dB-103.2dB.
2. The mean values of MPF ranged 428Hz-758Hz.
3. According as PSPL increased, MPF shifted higher range in 4 of the 6 subjects.
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