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  • BS EN 60645-4:1995

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Audiometers Equipment for extended high-frequency audiometry

    Available format(s):  Hardcopy, PDF

    Superseded date:  28-02-2015

    Language(s):  English

    Published date:  15-08-1995

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    National foreword
    Foreword
    1. Scope
    2. Normative references
    3. Explanation of terms
    4. Facilities on extended high-frequency audiometers
    5. General requirements
    6. Test signals
    6.1 Test signal frequencies
    6.2 Frequency accuracy
    6.3 Test signal level range for earphones
    6.4 Masking sounds
    7. Signal level control
    7.1 Marking
    7.2 Accuracy
    7.3 Tone switching
    7.4 Masking level
    8. Unwanted sound
    9. Transducers
    9.1 Earphones
    9.2 Loudspeaker
    9.3 Bone vibrator
    10. Audiogram format
    10.1 Extended high-frequency audiogram
    10.2 Combined audiogram

    Abstract - (Show below) - (Hide below)

    Specifies requirements for equipment in the frequency range 8000 Hz to 16000 Hz.

    General Product Information - (Show below) - (Hide below)

    Committee EPL/29
    Development Note Also numbered as IEC 60645-4. Supersedes 94/204787 DC. (12/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 7636(1993) : 1993 AMD 10028 ACOUSTICS - AUDIOMETRIC TEST METHODS - SOUND FIELD AUDIOMETRY WITH PURE TONE AND NARROW-BAND TEST SIGNALS
    BS EN 60645-1:2015 Electroacoustics. Audiometric equipment Equipment for pure-tone audiometry
    ISO 389-7:2005 Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
    ISO 266:1997 Acoustics — Preferred frequencies
    IEC 60645-1:2017 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
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