A large-size truck is equipped with a variety of audible warning devices. These warning devices are grouped into three categories by their usage, i.e., malfunction type, proximity type and attention type. The sound characteristics of warning sound that are investigated for each type are signal envelope, fundamental frequency and the number of harmonics. Many sounds are synthesized with nine fundamental frequencies, ten or fewer harmonics and two signal envelopes. With volume fixed, these sounds are evaluated using an unpleasantness rating scale, and the functional impression of these sound is also chosen. From the results, the range of fundamental frequencies, the number of harmonics and the shapes of signal envelopes for preferable sound quality are determined.


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    Titel :

    Sound Quality of Audible Warning Devices


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    Noise & Vibration Conference & Exposition ; 1993



    Erscheinungsdatum :

    01.05.1993




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Sound Quality of Audible Warning Devices

    Nishida, T. / Hagiwara, B. / Society of Automotive Engineers of Japan | British Library Conference Proceedings | 1992


    Sound quality of audible warning device

    Nishida,T. / Hagiwara,B. / Hino Motors,JP | Kraftfahrwesen | 1993


    Audible warning devices for train control

    Latimer, J.B. | Engineering Index Backfile | 1921


    Audible warning system

    Airlines Electronic Engineering Committee | TIBKAT | 1970