The application of frequency and time domain kurtosis to the assessment of hazardous noise exposures.

Details

• Personal Author:
  Ahroon WA ; Hamernik RP ; Lei F
• Description:
  A study was conducted on the use of sound frequency and time domain data in predicting the effects of noise exposure on auditory function. Audiograms were obtained from 44 monaural chinchillas at 0.5, 11.2 and 16 kilohertz (kHz) octave intervals. The animals were subjected to one of five different 5 day noise exposure regimens, differing only in temporal structure. Thresholds were measured daily at 0.5, 2.0 and 8.0kHz. Threshold shift (TS) was measured at 2, 8, 24, and 240 hours postexposure. Analysis of the audiometric and histological effects on animals from each group revealed that, although each noise exposure regime varied only in temporal structure and not in exposure energy or spectra, different magnitudes and frequency distributions of hearing and sensory cell loss were produced. The authors conclude that noise time and frequency domains are important determinants in hearing loss, and that these statistical metrics are good predictors of the magnitude and frequency distribution of acoustic trauma. [Description provided by NIOSH]
• Subjects:
  Hearing Loss, Noise-Induced Laboratories Noise Noise, Occupational Occupational Health Safety
• Keywords:
  NIOSH-Publication; NIOSH-Grant; Noise-induced-hearing-loss; Noise-exposure; Auditory-system; Noise-frequencies; Noise-levels; Audiometry; Laboratory-animals
• ISSN:
  0001-4966
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  New York ; OSHA Region 2
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Volume:
  96
• Issue:
  3
• NIOSHTIC Number:
  nn:00227467
• Citation:
  J Acoust Soc Am 1994 Sep; 96(3):1435-1444
• Contact Point Address:
  Communicative Disorders & Scis Research Foundation of Suny P O Box 9 Albany, N Y 12201
• Federal Fiscal Year:
  1994
• Performing Organization:
  Plattsburgh State University, New York
• Peer Reviewed:
  True
• Start Date:
  19860301
• Source Full Name:
  Journal of the Acoustical Society of America
• End Date:
  20130514
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
• Download URL:
  https://stacks.cdc.gov/view/cdc/247817/cdc_247817_DS1.pdf
• File Type:
  [PDF - 168.02 KB ]