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  • IEC 60645-2:1993

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - Part 2: Equipment for speech audiometry

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

    Superseded date:  14-03-2017

    Language(s):  English - French, Spanish, Castilian

    Published date:  11-11-1993

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    INTRODUCTION
    Clause
    1 Scope and object
    2 Normative references
    3 Definitions
    4 General requirements
    5 Minimum requirements for specific types of audiometers
    6 Reference conditions for specification, testing and
       calibration of speech audiometers
    7 Signal level indicator
    8 Output level control for speech signals
    9 Output sound-pressure level and vibratory force level
    10 Frequency response
    11 Harmonic distortion
    12 Signal-to-noise ratio
    13 Masking sound
    14 Monitor earphone or loudspeaker
    15 Talkback system
    16 Interrupter switches
    17 Marking and instruction manual
    Annex A - Correction figures for free-field equivalent
              output for certain types of commonly used earphones

    Abstract - (Show below) - (Hide below)

    Specifies requirements for audiometers or parts thereof designed to provide a means of presenting speech sounds to a subject in a standardized manner for example for the measurement of speech recognition.

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

    Development Note Supersedes IEC 60177, IEC 60178, IEC 60645 (03/2001) Also numbered as BS EN 60645-2. (12/2005) Stability Date: 2014. (10/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    04/30065335 DC : DRAFT JAN 2004 BS ISO 16832 - ACOUSTICS - LOUDNESS SCALING BY MEANS OF CATEGORIES
    BS EN ISO 8253-3:2012 Acoustics. Audiometric test methods Speech audiometry
    ISO 389-8:2004 Acoustics — Reference zero for the calibration of audiometric equipment — Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
    10/30213857 DC : 0 BS ISO 8253-3 - ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY
    CEI EN 60645-1 : 2016 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 1: EQUIPMENT FOR PURE-TONE AUDIOMETRY
    OIML R 122 ANNEX C : 1999 EQUIPMENT FOR SPEECH AUDIOMETRY - ANNEX C: TEST REPORT FORMAT
    DIN EN ISO 8253-3 E : 2012 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY (ISO 8253-3:2012)
    DIN EN ISO 389-8 E : 2004 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 8: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND CIRCUMAURAL EARPHONES
    DIN EN ISO 8253-3:2012-08 Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012)
    I.S. EN ISO 8253-3:2012 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY (ISO 8253-3:2012)
    ISO 16832:2006 Acoustics Loudness scaling by means of categories
    ANSI S3.6 : 2010 SPECIFICATION FOR AUDIOMETERS
    BS ISO 16832:2006 Acoustics. Loudness scaling by means of categories
    08/30176438 DC : DRAFT JAN 2008 BS EN 60645-1 - ELECTRO ACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 1: PURE-TONE AUDIOMETERS
    UNE-EN 60645-1:2015 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone audiometry
    ISO 8253-3:2012 Acoustics Audiometric test methods Part 3: Speech audiometry
    BS EN ISO 389-8:2004 Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
    DIN EN ISO 389-8:2004-11 Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004)
    EN ISO 389-8:2004 Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004)
    UNI EN ISO 8253-3 : 2012 ACOUSTICS - AUDIOMETRIC TEST METHODS - PART 3: SPEECH AUDIOMETRY
    EN ISO 8253-3:2012 Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012)

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

    IEC 60373:1990 Mechanical coupler for measurements on bone vibrators
    ISO 266:1997 Acoustics — Preferred frequencies
    IEC 60645-1:2017 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
    IEC 60268-7:2010 Sound system equipment - Part 7: Headphones and earphones
    AS/NZS ISO 8253.3:2019 Acoustics - Audiometric test methods Speech audiometry
    IEC 60318:1970 An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry
    IEC 60225:1966 Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations
    IEC 60268-17:1990 Sound system equipment. Part 17: Standard volume indicators
    IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
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