TWA Calculator
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TWA Calculator


TWA Calculator

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'TWA Calculator is a computational and visual tool for teaching noise exposure dose concepts in an occupational hearing conservation context. TWA Calculator enables the user to easily create daily noise exposure scenarios from a series of component exposure events. TWA Calculator demonstrates the relationship between sound level, duration, and partial dose for each component exposure as well as their effect on the total dose and 8-hour noise exposure quantities  [OSHA/MSHA Time-Weighted Average... More
Material Type: Simulation
Technical Format: HTML/Text
Date Added to MERLOT: July 01, 2010
Date Modified in MERLOT: March 05, 2014
Submitter: Susan Phillips
Keywords: aud, foundations, acoustics, sound exposure, kasa, IVB


  • Reviewed by members of Editorial board for inclusion in MERLOT.
    Editor Review
    Very good quality; in queue to be peer reviewed
    avg: 5 rating
  • User Rating (not rated)
  • Comments (none)
  • Learning Exercises (none)
  • Personal Collections (1)
  • Accessibility Info (none)


Primary Audience: College Upper Division, Graduate School, Professional
Mobile Compatibility: Not specified at this time
Technical Requirements: TWA Calculator was developed using National Instruments LabVIEW™ v8.2.1 and requires a corresponding LabVIEW™ Run-time Engine to be present on the User’s computer. (Download the Run-time Engine for free. ) A PC running Windows® 2000, Windows® XP or Windows Vista® is required. Windows® 7 has not yet been tested. Mac OS X is not supported.
Language: English
Cost Involved: no
Source Code Available: unsure
Accessiblity Information Available: unsure
Creative Commons: unsure


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