Development of computer program ENAUDIBL for computation of the sensation levels of multiple, complex, intrusive sounds in the presence of residual environmental masking noise

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The relative audibility of multiple sounds occurs in separate, independent channels (frequency bands) termed critical bands or equivalent rectangular (filter-response) bandwidths (ERBs) of frequency. The true nature of human hearing is a function of a complex combination of subjective factors, both auditory and nonauditory. Assessment of the probability of individual annoyance, community-complaint reaction levels, speech intelligibility, and the most cost-effective mitigation actions requires sensation-level data; these data are one of the most important auditory factors. However, sensation levels cannot be calculated by using single-number, A-weighted sound level values. This paper describes specific steps to compute sensation levels. A unique, newly ... continued below

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17 p.

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Liebich, R. E.; Chang, Y.-S. & Chun, K. C. March 31, 2000.

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  • Argonne National Laboratory
    Publisher Info: Argonne National Laboratory, Argonne, IL (United States)
    Place of Publication: Argonne, Illinois

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The relative audibility of multiple sounds occurs in separate, independent channels (frequency bands) termed critical bands or equivalent rectangular (filter-response) bandwidths (ERBs) of frequency. The true nature of human hearing is a function of a complex combination of subjective factors, both auditory and nonauditory. Assessment of the probability of individual annoyance, community-complaint reaction levels, speech intelligibility, and the most cost-effective mitigation actions requires sensation-level data; these data are one of the most important auditory factors. However, sensation levels cannot be calculated by using single-number, A-weighted sound level values. This paper describes specific steps to compute sensation levels. A unique, newly developed procedure is used, which simplifies and improves the accuracy of such computations by the use of maximum sensation levels that occur, for each intrusive-sound spectrum, within each ERB. The newly developed program ENAUDIBL makes use of ERB sensation-level values generated with some computational subroutines developed for the formerly documented program SPECTRAN.

Physical Description

17 p.

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OSTI as DE00753005

Medium: P; Size: 17 pages

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  • Air and Waste Management 93rd Annual Conference, Salt Lake City, UT (US), 06/18/2000--06/22/2000

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  • Report No.: ANL/EA/CP-101468
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 753005
  • Archival Resource Key: ark:/67531/metadc706726

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  • March 31, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 3:33 p.m.

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Liebich, R. E.; Chang, Y.-S. & Chun, K. C. Development of computer program ENAUDIBL for computation of the sensation levels of multiple, complex, intrusive sounds in the presence of residual environmental masking noise, article, March 31, 2000; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc706726/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.