The NASA Environmentally Responsible Aviation project has been successful in developing and demonstrating technologies for integrated aircraft systems that can simultaneously meet aggressive goals for fuel burn, noise and emissions. Some of the resulting systems substantially differ from the familiar tube and wing designs constituting the current civil transport fleet. This study attempts to explore whether or not the effective perceived noise level metric used in the NASA noise goal accurately reflects human subject response across the range of vehicles considered. Further, it seeks to determine, in a quantitative manner, if the sounds associated with the advanced aircraft are more or less preferable to the reference vehicles beyond any differences revealed by the metric. These explorations are made through psychoacoustic tests in a controlled laboratory environment using simulated stimuli developed from auralizations of selected vehicles based on systems noise assessments.


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    Title :

    Psychoacoustic Evaluation of Noise Signatures from Advanced Civil Transport Aircraft


    Contributors:
    S. A. Rizzi (author) / A. Christian (author)

    Publication date :

    2016


    Size :

    16 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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