A study was made to determine how speech intelligibility in naval aircraft radio communications is affected by cockpit noise, by the microphone, helmet, and microphone used by the pilot, and by the vocabulary employed. Using six standard word lists, speech-intelligibility tests were administered to 20 Navy enlisted men for 38 hours of listening. Cockpit noise in which the lists were recorded was both in-flight and simulated. The talker and the speech-processing equipment are largely responsible for the quality of the transmissions. Cockpit noise, microphone, and man-worn gear have negligibly degrading effect upon intelligibility of the aircraft radio communications. Speech-processing is recommended to achieve improved intelligibility. Recommendations are made for choosing optimum intelligibility tests for assessing military speech communication systems and for revising the Brevity Code words. (Author)


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    Titel :

    Speech Intelligibility in Naval Aircraft Radios


    Beteiligte:
    J. C. Webster (Autor:in) / C. R. Allen (Autor:in)

    Erscheinungsdatum :

    1972


    Format / Umfang :

    75 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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