NASA Langley Research Center personnel have conducted an evaluation of the helicopter aural detection program I Can Hear It Now (ICHIN version-5). This was accomplished using flight noise data of five helicopters, obtained from a joint NASA and U.S. Army acoustics measurement program. The evaluation consisted of presenting the noise data to a jury of 20 subjects and to the ICHIN-5 program. A comparative study was then made of the detection distances determined by the jury and predicted by ICHIN-5. This report presents the changes made in the ICHIN-5 program as a result of this comparative study. The changes represent current psychoacoustics and propagation knowledge.


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    Titel :

    A new version of the helicopter aural detection program, ICHIN


    Beteiligte:
    Mueller, A. W. (Autor:in) / Smith, C. D. (Autor:in) / Shepherd, K. P. (Autor:in) / Sullivan, B. M. (Autor:in)

    Erscheinungsdatum :

    01.07.1986


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :