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  • ISO 389-7:2005/Amd 1:2016

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions Amendment 1: Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditions

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Withdrawn date:  23-09-2021

    Language(s):  French, English

    Published date:  12-07-2016

    Publisher:  International Organization for Standardization

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    Document Type Amendment
    Publisher International Organization for Standardization
    Status Withdrawn
    Superseded By
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