• IEC 60645-4:1994

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Audiometers - Part 4: Equipment for extended high-frequency audiometry

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

    Superseded date:  16-02-2012

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

    Published date:  12-10-1994

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    INTRODUCTION
    Clause
    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 audiometric equipment designedfor use in pure tone audiometry in the frequency range from8 000 Hz to 16 000 Hz, in addition to those that are applicable and specified in IEC 645-1.

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

    Development Note Supersedes IEC 60177, IEC 60178 (03/2001) Also numbered as BS EN 60645-4. (12/2005)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

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

    BS EN ISO 389-9:2009 Acoustics. Reference zero for the calibration of audiometric equipment Preferred test conditions for the determination of reference hearing threshold levels
    EN ISO 389-7:2005/A1:2016 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS (ISO 389-7:2005)
    ISO 389-5:2006 Acoustics Reference zero for the calibration of audiometric equipment Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
    15/30297064 DC : DRAFT MAY 2015 BS ISO 7029 - ACOUSTICS - STATISTICAL DISTRIBUTION OF HEARING THRESHOLDS RELATED TO AGE AND GENDER
    BS EN 60318-2:1998 Electroacoustics. Simulators of human head and ear An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range
    I.S. EN ISO 389-9:2009 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
    UNI EN ISO 389-9 : 2009 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
    DIN EN ISO 389-5 E : 2007 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 5: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES IN THE FREQUENCY RANGE 8 KHZ TO 16 KHZ
    I.S. EN ISO 389-5:2006 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 5: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES IN THE FREQUENCY RANGE 8 KHZ TO 16 KHZ
    DIN EN ISO 389-9:2009-12 Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
    07/30166205 DC : 0 BS ISO 389-9 - ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
    DIN EN ISO 389-7 E : 1998 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
    BS EN ISO 389-5:2006 Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
    04/30095174 DC : DRAFT JUN 2004 ISO 389-7 - ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
    I.S. EN 60318-2:1999 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 2: AN INTERIM ACOUSTIC COUPLER FOR THE CALIBRATION OF AUDIOMETRIC EARPHONES IN THE EXTENDED HIGH-FREQUENCY RANGE
    BS EN 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 389-7:2005)
    ISO 389-9:2009 Acoustics Reference zero for the calibration of audiometric equipment Part 9: Preferred test conditions for the determination of reference hearing threshold levels
    ISO/TR 389-5:1998 Acoustics Reference zero for the calibration of audiometric equipment Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
    ISO 389-5:2006(R2014) ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 5: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES IN THE FREQUENCY RANGE 8 KHZ TO 16 KHZ
    IEC 60318-2:1998 Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range
    EN ISO 389-5:2006 Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO 389-5:2006)
    EN ISO 389-9:2009 Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
    I.S. EN 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 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
    EN 60318-2:1998 Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range
    DIN EN ISO 389-5:2007-05 Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO 389-5:2006)
    DIN EN ISO 389-7:1998-12 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS

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

    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
    ISO 8253-1:2010 Acoustics Audiometric test methods Part 1: Pure-tone air and bone conduction audiometry
    ISO 8253-2:2009 Acoustics Audiometric test methods Part 2: Sound field audiometry with pure-tone and narrow-band test signals
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