The paper reports an experiment conducted by the Institute of Sound and Vibration Research and the Royal Aircraft Establishment for the Civil Aviation Authority. The evaluation exposed ten subjects wearing each of four headset types to two helicopter noise environments and measured the noise received at the ear. The evaluation shows the relative attenuation performance between the headset types; it also shows the effect of 'live-microphone' communication systems on the noise levels being presented to helicopter pilots. The results of the evaluation are compared with the noise environment standards given in a Health and Safety Executive Code of Practice for exposure of persons to noise.


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    Titel :

    Noise Attenuation Properties of Headsets in a Helicopter Noise Environment


    Beteiligte:
    M. C. Lower (Autor:in) / P. D. Wheeler (Autor:in)

    Erscheinungsdatum :

    1987


    Format / Umfang :

    40 pages



    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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