Judgment tests were conducted in which subjects equated the subjective unwantedness or noisiness of simulated indoor sonic booms with the flyover noise of a subsonic jet aircraft as heard indoors. It was found that the spectral content of the booms, as affected by changes in the rise time of the booms, influenced the relative subjective noisiness of the booms in a way predictable from certain physical measures of Max and EPNL. However, a correction factor is required for predicting from physical measures the subjective noisiness of sonic booms when compared to nonimpulsive subsonic aircraft flyover noise measured in the same physical units. It appears that a somewhat different correction value is required for booms heard outdoors than when heard indoors. (Author)


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    Titel :

    Simulated Indoor Sonic Booms Judged Relative to Noise from Subsonic Aircraft


    Beteiligte:
    K. D. Kryter (Autor:in) / J. S. Lukas (Autor:in)

    Erscheinungsdatum :

    1972


    Format / Umfang :

    20 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch







    Disturbance of human sleep by subsonic jet aircraft noise and simulated sonic booms

    Dobbs, M. E. / Kryter, K. D. / Lukas, J. S. | NTRS | 1971