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  • EN 60318-4:2010

    Current The latest, up-to-date edition.

    Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts

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    Published date:  07-05-2010

    Publisher:  European Committee for Standards - Electrical

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Construction
    5 Calibration
    6 Coupling of earphones and hearing aids to the
      occluded-ear simulator
    7 Maximum permitted expanded uncertainty of measurements
    Annex A (informative) - Example of one specific design of
            occluded-ear simulator
    Annex B (informative) - Principle of calibration for the
            occluded-ear simulator
    Bibliography
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    IEC 60318-4:2010 describes an occluded-ear simulator intended for the measurement of insert earphones in the frequency range from 100 Hz to 10 000 Hz. It is suitable for air conduction hearing aids and earphones, coupled to the ear by means of ear inserts e.g. ear moulds or similar devices. The occluded-ear simulator is also suitable as the basis for an extension intended to simulate the complete ear canal and the outer ear (for instance in head simulators). The occluded-ear simulator simulates the acoustic transfer impedance for the occluded normal adult human ear. However, it does not simulate the leakage between an earmould and a human ear canal; therefore, the results obtained with the occluded-ear simulator may deviate from the performance of an insert earphone on a real ear, especially at low frequencies. Moreover, large performance variations among individual ears will occur which should be considered when using the ear simulator. Above 10 kHz the device does not simulate a human ear, but can be used as an acoustic coupler at additional frequencies up to 16 kHz. Below 100 Hz, the device has not been verified to simulate a human ear, but can be used as an acoustic coupler at additional frequencies down to 20 Hz. IEC 60318-4:2010 cancels and replaces IEC 60711, published in 1981 and constitutes a technical revision. The main changes with respect to the previous edition are listed below: - extension of the usable frequency range to 100 Hz - 16 000 Hz; - addition of values of maximum permitted expanded uncertainties to all tolerances.

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

    Committee CLC/SR 29
    Development Note Supersedes HD 443. (05/2010)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current
    Supersedes

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

    UNE-EN 71-1:2015 Safety of toys - Part 1: Mechanical and physical properties
    UNE-EN 60645-6:2010 Electroacoustics - Audiometric equipment -- Part 6: Instruments for the measurement of otoacoustic emissions
    BS EN 60118-0:2015 Electroacoustics. Hearing aids Measurement of the performance characteristics of hearing aids
    EN 60118-15:2012 Electroacoustics - Hearing aids - Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal
    EN 61669:2016 Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
    BS EN 60645-6:2010 Electroacoustics. Audiometric equipment Instruments for the measurement of otoacoustic emissions
    I.S. EN 60118-15:2012 ELECTROACOUSTICS - HEARING AIDS - PART 15: METHODS FOR CHARACTERISING SIGNAL PROCESSING IN HEARING AIDS WITH A SPEECH-LIKE SIGNAL (IEC 60118-15:2012 (EQV))
    CEI EN 60118-13 : 2012 ELECTROACOUSTICS - HEARING AIDS - PART 13: ELECTROMAGNETIC COMPATIBILITY (EMC)
    I.S. EN 60645-6:2010 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 6: INSTRUMENTS FOR THE MEASUREMENT OF OTOACOUSTIC EMISSIONS
    EN 60118-13:2011 Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)
    BS EN 60645-1:2017 Electroacoustics. Audiometric equipment Equipment for pure-tone and speech audiometry
    BS EN 60118-15:2012 Electroacoustics. Hearing aids Methods for characterising signal processing in hearing aids with a speech-like signal
    BS EN 50332-1:2013 Sound system equipment: Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology General method for \'one package equipment\'
    14/30301841 DC : 0 BS EN 71-1 - SAFETY OF TOYS - PART 1: MECHANICAL AND PHYSICAL PROPERTIES
    13/30281662 DC : 0 BS EN 50332-1 - SOUND SYSTEM EQUIPMENT: HEADPHONES AND EARPHONES ASSOCIATED WITH PORTABLE AUDIO EQUIPMENT - MAXIMUM SOUND PRESSURE LEVEL MEASUREMENT METHODOLOGY AND LIMIT CONSIDERATIONS - PART 1: GENERAL METHOD FOR "ONE PACKAGE EQUIPMENT"
    I.S. EN 50332-1:2013 SOUND SYSTEM EQUIPMENT: HEADPHONES AND EARPHONES ASSOCIATED WITH PERSONAL MUSIC PLAYERS - MAXIMUM SOUND PRESSURE LEVEL MEASUREMENT METHODOLOGY - PART 1: GENERAL METHOD FOR ONE PACKAGE EQUIPMENT
    PREN 50332-1 : DRAFT 2013 SOUND SYSTEM EQUIPMENT: HEADPHONES AND EARPHONES ASSOCIATED WITH PORTABLE AUDIO EQUIPMENT - MAXIMUM SOUND PRESSURE LEVEL MEASUREMENT METHODOLOGY AND LIMIT CONSIDERATIONS - PART 1: GENERAL METHOD FOR "ONE PACKAGE EQUIPMENT"
    EN 71-1:2014 Safety of toys - Part 1: Mechanical and physical properties
    PREN 71-1 : DRAFT 2014 SAFETY OF TOYS - PART 1: MECHANICAL AND PHYSICAL PROPERTIES
    I.S. EN 60645-1:2017 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 1: EQUIPMENT FOR PURE-TONE AND SPEECH AUDIOMETRY
    UNE-EN 60118-13:2012 Electroacoustics - Hearing aids - Part 13: Electromagnetic compatibility (EMC)
    DIN EN 71-1:2015-02 SAFETY OF TOYS - PART 1: MECHANICAL AND PHYSICAL PROPERTIES
    I.S. EN 60118-13:2011 ELECTROACOUSTICS - HEARING AIDS - PART 13: ELECTROMAGNETIC COMPATIBILITY (EMC)
    CEI EN 60645-6 : 2013 ELECTROACOUSTICS - AUDIOMETRIC EQUIPMENT - PART 6: INSTRUMENTS FOR THE MEASUREMENT OF OTOACOUSTIC EMISSIONS
    CEI EN 60118-15 : 2014 ELECTROACOUSTICS - HEARING AIDS - PART 15: METHODS FOR CHARACTERISING SIGNAL PROCESSING IN HEARING AIDS WITH A SPEECH-LIKE SIGNAL
    16/30348450 DC : 0 BS EN 13819-3 - HEARING PROTECTORS - TESTING - PART 3: SUPPLEMENTARY ACOUSTIC TEST METHOD
    I.S. EN 71-1:2014 SAFETY OF TOYS - PART 1: MECHANICAL AND PHYSICAL PROPERTIES
    UNE-EN 60645-1:2015 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone audiometry
    BS EN 71-1 : 2014 SAFETY OF TOYS - PART 1: MECHANICAL AND PHYSICAL PROPERTIES
    BS EN 60118-13:2011 Electroacoustics. Hearing aids Electromagnetic compatibility (EMC)
    UNI EN 71-1 : 2015 SAFETY OF TOYS - PART 1: MECHANICAL AND PHYSICAL PROPERTIES
    UNE-EN 60118-15:2012 Electroacoustics - Hearing aids - Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal
    I.S. EN 61669:2016 ELECTROACOUSTICS - MEASUREMENT OF REAL-EAR ACOUSTICAL PERFORMANCE CHARACTERISTICS OF HEARING AIDS
    EN 50332-1:2013 Sound system equipment: Headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: General method for "one package equipment"
    EN 60118-0:2015 Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids
    EN 60645-1:2017 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
    EN 60645-6:2010 Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions

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

    ANSI/ASA S3.7 : 2016 METHOD FOR MEASUREMENT AND CALIBRATION OF EARPHONES
    EN 61094-4:1995 Measurement microphones - Part 4: Specifications for working standard microphones
    IEC 61094-4:1995 Measurement microphones - Part 4: Specifications for working standard microphones
    EN ISO 389-2 : 1996 Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994)
    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
    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 389-6 : 2007 ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 6: REFERENCE THRESHOLD OF HEARING FOR TEST SIGNALS OF SHORT DURATION
    ISO 389-6:2007 Acoustics Reference zero for the calibration of audiometric equipment Part 6: Reference threshold of hearing for test signals of short duration
    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
    ISO 389-2:1994 Acoustics Reference zero for the calibration of audiometric equipment Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
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