Temporary Hearing Loss Induced by Noise and Vibration
作者:
Akira Okada,
Hirotsugu Miyake,
Kǒtaro Yamamura,
Masayasu Minami,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1972)
卷期:
Volume 51,
issue 4B
页码: 1240-1248
ISSN:0001-4966
年代: 1972
DOI:10.1121/1.1912967
出版商: Acoustical Society of America
数据来源: AIP
摘要:
Five male students (19 20 years old) with normal ears were given exposures to (1) steady‐state noise, (2) vibration, and (3) noise and vibration at the same time. In a control experiment the subject sat beside the moving vibrator with ear plugs and earmuffs. Temporary threshold shift (TTS) occurred after both 20 and 60 min of exposure to the vibration of acceleration 500 cm/sec2and frequency 5 Hz, which is regarded as a resonance frequency of human body. The TTS by a steady‐state noise [101‐dB sound‐pressure level (SPL) broad band] was increased by simultaneous vibration (500 cm/sec2and 5 Hz).
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