Acoustical signatures of various types of V/STOL aircraft sized for 60 passengers and 500 mi range were analytically predicted, and tape recordings synthesizing these sounds prepared; perceived noise levels were calculated, and levels which produced equal annoyance to jet airplane were determined; results indicate that several V/STOL aircraft configurations exhibit subjectively better acoustical characteristics that others depending on flight configuration and inherent differences in propulsion systems; feasibility of synthesizing subjectively acceptable aircraft noises and usefulness of paired comparison testing have been demonstrated. (09536)


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    Titel :

    Subjective response to synthesized flight noise signatures of several types of V/STOL aircraft


    Weitere Titelangaben:

    NASA CR


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1968


    Format / Umfang :

    92 pages


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :