Damage to human hearing by airborne sound of very high frequency or ultrasonic frequency
Lawton, B.W. (2001) Damage to human hearing by airborne sound of very high frequency or ultrasonic frequency, London, Health & Safety Executive, 77pp.
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This literature review examines the audiological, occupational hygiene and industrial safety literature on the subjective and auditory effects of audible sound in the very high frequency range (10-20 kHz) and also in the inaudible ultrasonic range (greater than 20 kHz, generally thought to be the upper frequency limit of young normal hearing). Exposure limits have been proposed, with the intent of avoiding any subjective effects and any auditory effects, in any exposed individuals. The evolution of these internationally recognised Damage Risk Criteria and Maximum Permitted Levels has been examined critically. Conclusions and recommendations are offered in respect of hearing damage and adverse subjective effects caused by sounds outside the customary frequency range for occupational noise exposure assessments. This report and the work it describes were funded by the Health and Safety Executive (HSE). Its contents, including any opinions and/or conclusions expressed, are those of the author and do not necessarily reflect HSE policy.
|Keywords:||research, audiometry, standards, VHF hearing tests, ultrasonic equipment, octave band, sound pressure level (dB), threshold limit values, sensorineural, earphones, hearing loss|
|Subjects:||R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Institute of Sound and Vibration Research > ISVR Consulting
|Date Deposited:||10 Feb 2006|
|Last Modified:||27 Mar 2014 18:02|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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