Methods for the measurement of insertion loss of hearing protection devices in continuous or impulsive noise using microphone-in-real-ear or acoustic test fixture procedures.

Details

• Personal Author:
  Baade PK ; Beranek LL ; Berger EH ; Brooks BM ; Campanella AJ ; Eldred KM ; Finegold LS ; Godfrey RD ; Hellweg RD ; Lang WW ; Lubman D ; Michaud D ; Miller NP ; Murphy, William J. ; Nobile MA ; Peppin RJ ; Schmitt J ; Schomer PD ; Sutherland LC ; Thornton WR ; Wilber LA ; Winzer GE ; Wong GSK ; Baade PK ; Beranek LL ; Berger EH ; Brooks BM ; Campanella AJ ; Eldred KM ; Finegold LS ; Godfrey RD ; Hellweg RD ; Lang WW ; Lubman D ; Michaud D ; Miller NP ; Murphy, William J. ; Nobile MA ; Peppin RJ ; Schmitt J ; Schomer PD ; Sutherland LC ; Thornton WR ; Wilber LA ; Winzer GE ; Wong GSK
• Corporate Authors:
  Acoustical Society of America. Accredited Standards Committee S12, Noise ; Acoustical Society of America. Accredited Standards Committee S12, Noise
• Description:
  This standard specifies microphone-in-real-ear (MIRE) methods for the measurement of the insertion loss of active and passive circumaural earmuffs, helmets, and communications headsets, and specifies acoustic test fixture (ATF) methods for the measurement of the insertion loss of active and passive earplugs, earmuffs, helmets, and communications headsets. The MIRE methods are appropriate for use with continuous noise whereas the ATF methods may be used with both continuous noise and high-level impulsive noise test signals. The standard contains information on instrumentation, calibration, and electroacoustic requirements, procedures for determining sound pressure levels in the ear with and without the hearing protection devices in place, and procedures for calculating the corresponding insertion loss values. The standard also describes how to combine the active contribution of insertion loss for active devices measured using the MIRE method with the passive real-ear attenuation measured in accordance with ANSI/ASA S12.6 to obtain an attenuation value for use in estimating sound pressure levels for active protectors in accordance with ANSI/ASA S12.68. Requirements for reporting of the data are also described. [Description provided by NIOSH]
• Subjects:
  Hearing Hearing Loss, Noise-Induced Noise Noise, Occupational Occupational Health Personal Protective Equipment Safety
• Keywords:
  Hearing-conservation; Hearing-protection; Noise-induced-hearing-loss; Noise-protection; Noise-frequencies; Personal-protective-equipment; Personal-protection; Protective-equipment
• Publisher:
  Acoustical Society of America
• Document Type:
  Text
• Genre:
  Book ; Book
• Place as Subject:
  New York ; Ohio ; OSHA Region 2 ; OSHA Region 5
• CIO:
  National Institute for Occupational Safety and Health (NIOSH) ; National Institute for Occupational Safety and Health (NIOSH)
• Division:
  DART - Division of Applied Research and Technology ; DART - Division of Applied Research and Technology
• Topic:
  Workplace Safety & Health ; Workplace Safety & Health
• Location:
  North America ; North America
• Pages in Document:
  1-53
• NIOSHTIC Number:
  nn:20036585
• Citation:
  Melville: NY: Acoustical Society of America, ANSI/ASA S12.42-2010, 2010 Jan; :1-53
• Federal Fiscal Year:
  2010
• NORA Priority Area:
  Construction ; Manufacturing ; Construction ; Manufacturing
• Peer Reviewed:
  False
• Source Full Name:
  Methods for the measurement of insertion loss of hearing protection devices in continuous or impulsive noise using microphone-in-real-ear or acoustic test fixture procedures
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
• Download URL:
  https://stacks.cdc.gov/view/cdc/248057/cdc_248057_DS1.pdf
• File Type:
  [PDF - 168.02 KB ]