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  • EN 61094-4:1995

    Current The latest, up-to-date edition.

    Measurement microphones - Part 4: Specifications for working standard microphones

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    Published date:  12-12-1995

    Publisher:  European Committee for Standards - Electrical

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

    1 Scope
    2 Normative references
    3 Definitions
    3.1 Working standards microphone
    3.2 Principle axis of a microphone
    3.3 Reference plane of a microphone
    3.4 Effective front volume of a microphone
    3.5 Correction grid
    4 Reference environmental conditions
    5 Classification of working standard microphones
    5.1 General
    5.2 Type designation
    6 Characteristics of working standard microphones
    6.1 Sensitivity
    6.2 Effective front volume
    6.3 Upper limit of the dynamic range of a microphone
    6.4 Linearity range of the microphone sensitivity level
    6.5 Static pressure dependence of microphone sensitivity
    6.6 Temperature dependence of microphone sensitivity
    6.7 Humidity dependence of microphone sensitivity
    6.8 Stability of microphone sensitivity
    6.9 Pressure equalizing leakage
    7 Specifications
    7.1 Mechanical dimensions
    7.2 Electroacoustical specifications
    7.3 Identification markings
    Annexes
    A (informative) Provisional ground-shield reference
         configuration for type WS3 microphones
    ZA (normative) Normative references to international
         publications with their corresponding European publications

    Abstract - (Show below) - (Hide below)

    Applies to working standard microphones. Specifies mechanical dimensions and certain electroacoustical characteristics for working standard microphones used in measuring systems for the determination of sound pressure to enable these microphones to be used as transfer standards in the calibration of acoustic measurement instruments.

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

    Committee CLC/SR 29
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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

    CEI EN 60942 : 2004 ELECTROACOUSTICS SOUND CALIBRATORS
    BS EN 60318-5:2006 Electroacoustics. Simulators of human head and ear 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
    I.S. EN IEC 60942:2018 ELECTROACOUSTICS - SOUND CALIBRATORS
    CEI EN 60318-1 : 2011 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 1: EAR SIMULATOR FOR THE MEASUREMENT OF SUPRA-AURAL AND CIRCUMAURAL EARPHONES
    EN 61329:1996 Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production)
    EN 61094-5:2016 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
    EN 61094-8:2012/AC:2013 Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
    EN 60318-5 : 2006 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 5: 2 CM[3] COUPLER FOR THE MEASUREMENT OF HEARING AIDS AND EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS
    CEI EN 60318-4 : 2011 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
    BS EN 60942:2003 Electroacoustics. Sound calibrators
    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 61842:2002 MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
    BS EN 61842:2002 Microphones and earphones for speech communications
    I.S. EN 60942:2003 ELECTROACOUSTICS - SOUND CALIBRATORS
    CEI EN 60318-5 : 2007 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 5: 2 CM[3] COUPLER FOR THE MEASUREMENT OF HEARING AIDS AND EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS
    UNE-EN 61094-5:2017 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
    VDI 3766:2012-09 Ultrasound - Workplace - Measurement, assessment, judgement and reduction
    BS EN 61094-5:2002 Measurement microphones Methods for pressure calibration of working standard microphones by comparison
    BS EN 60318-4:2010 Electroacoustics. Simulators of human head and ear Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts
    BS EN 61094-8:2012 Electroacoustics. Measurement microphones Methods for determining the free-field sensitivity of working standard microphones by comparison
    I.S. EN 60318-1:2009 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 1: EAR SIMULATOR FOR THE MEASUREMENT OF SUPRA-AURAL AND CIRCUMAURAL EARPHONES
    CEI EN 61094-8 : 2013 ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 8: METHODS FOR FREE-FIELD CALIBRATION OF WORKING STANDARD MICROPHONES BY COMPARISON
    CEI EN 61842 : 2002 MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
    CEI EN 61329 : 1998 SOUND SYSTEM EQUIPMENT METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SOUNDERS (ELECTROACOUSTIC TRANSDUCERS FOR TONE PRODUCTION)
    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
    I.S. EN 60318-5:2006 ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 5: 2 CM[3] COUPLER FOR THE MEASUREMENT OF HEARING AIDS AND EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS
    I.S. EN 60318-4:2010 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
    IEC 61842:2002 Microphones and earphones for speech communications
    UNE-EN 60318-1:2010 Electroacoustics - Simulators of human head and ear -- Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones
    CEI EN 61094-5 : 2002 ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 5: METHODS FOR PRESSURE CALIBRATION OF WORKING STANDARD MICROPHONES BY COMPARISON
    EN IEC 60942:2018 Electroacoustics - Sound calibrators
    UNE-EN 61094-8:2013 Measurement microphones. Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
    I.S. EN 61094-8:2012 MEASUREMENT MICROPHONES - PART 8: METHODS FOR DETERMINING THE FREE-FIELD SENSITIVITY OF WORKING STANDARD MICROPHONES BY COMPARISON (IEC 61094-8:2012 (EQV))
    I.S. EN 61329:1999 SOUND SYSTEM EQUIPMENT - METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SOUNDERS (ELECTROACOUSTIC TRANSDUCERS FOR TONE PRODUCTION)
    I.S. EN 61094-5:2016 ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 5: METHODS FOR PRESSURE CALIBRATION OF WORKING STANDARD MICROPHONES BY COMPARISON
    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
    EN 60318-4:2010 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
    EN 61842:2002 Microphones and earphones for speech communications
    EN 60318-1:2009 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones

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

    IEC 60942:2003 Electroacoustics - Sound calibrators
    IEC 61094-1:2000 Measurement microphones - Part 1: Specifications for laboratory standard microphones
    IEC 61094-3:2016 Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
    IEC 61094-2:2009 Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
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