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  • IEC 60268-1:1985

    Current The latest, up-to-date edition.

    Sound system equipment. Part 1: General

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

    Language(s): 

    Published date:  01-01-1985

    Publisher:  International Electrotechnical Committee

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    Abstract - (Show below) - (Hide below)

    Applies to sound systems of any kind, and to the parts of which they are composed or which are used as auxiliaries to such systems. Deals with the determination of the performance of sound system equipment, the comparison of these types of equipment and the determination of their proper practical application, by listing the characteristics which are useful for their specification and laying down uniform methods of measurements for these characteristics. Is confined to a description of the different characteristics and the relevant methods of measurement.

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

    Committee TC 100/TA 20
    Development Note Supersedes IEC 60089. (07/2004) Also numbered as BS 6840-1(1987) (09/2005) Stability Date: 2023. (10/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

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

    I.S. EN 60118-4:2015 ELECTROACOUSTICS - HEARING AIDS - PART 4: INDUCTION-LOOP SYSTEMS FOR HEARING AID PURPOSES - SYSTEM PERFORMANCE REQUIREMENTS
    13/30279547 DC : 0 BS EN 62489-2 ED.2 - ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDELINES ON LIMITS FOR HUMAN EXPOSURE
    UNE-EN 62458:2012 Sound system equipment - Electroacoustic transducers - Measurement of large signal parameters
    I.S. EN ISO 3382:2000 ACOUSTICS - MEASUREMENT OF THE REVERBERATION TIME OF ROOMS WITH REFERENCE TO OTHER ACOUSTICAL PARAMETERS
    01/565186 DC : DRAFT DEC 2001 ISO 11904-2 - ACOUSTICS - DETERMINATION OF SOUND EMISSIONS FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 2: TECHNIQUE USING A MANIKIN (MANIKIN-TECHNIQUE)
    12/30258455 DC : 0 FPREN 60065:2011+FPRAA - AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    CEI EN 60107-2 : 1998 METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS - PART 2: AUDIO CHANNELS - GENERAL METHODS AND METHODS FOR MONOPHONIC CHANNELS
    BS 5942-8:1987 HIGH FIDELITY AUDIO EQUIPMENT AND SYSTEMS; MINIMUM PERFORMANCE REQUIREMENTS - SPECIFICATION FOR COMBINATION EQUIPMENT
    DIN EN 352-8 E : 2008 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS
    02/207105 DC : DRAFT JUN 2002 IEC 61606-1. ED.1 - AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 1: GENERAL
    I.S. EN 50157-1:1998 DOMESTIC AND SIMILAR ELECTRONIC EQUIPMENT INTERCONNECTION REQUIREMENTS: AV.LINK - PART 1: GENERAL
    DIN 45500-4:1987-07 HIGH FIDELITY AUDIO EQUIPMENT AND SYSTEMS - MINIMUM PERFORMANCE REQUIREMENTS FOR MAGNETIC RECORDING AND REPRODUCING EQUIPMENT
    BS EN IEC 60118-4:2015+A1:2018 Electroacoustics. Hearing aids Induction-loop systems for hearing aid purposes. System performance requirements
    BS EN 61096 : 1993 METHODS OF MEASURING THE CHARACTERISTICS OF REPRODUCING EQUIPMENT FOR DIGITAL AUDIO COMPACT DISCS
    12/30264220 DC : 0 BS EN 60118-4 ED.3 - ELECTROACOUSTICS - HEARING AIDS - PART 4: INDUCTION LOOP SYSTEMS FOR HEARING AID PURPOSES - SYSTEM PERFORMANCE REQUIREMENTS
    BS EN 61000-3-2:2014 (published 2014-09) Electromagnetic compatibility (EMC) Limits. Limits for harmonic current emissions (equipment input current 16 A per phase)
    UNE-EN ISO 3382-1:2010 Acoustics - Measurement of room acoustic parameters - Part 1: Performance spaces (ISO 3382-1:2009)
    ANSI/PIMA IT7.406:1997 AUDIOVISUAL SYSTEMS - SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
    I.S. EN 60107-5:1993 RECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSION - PART 5: ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE NICAM TWO-CHANNEL DIGITAL SOUND-SYSTEM
    I.S. EN 62459:2011 SOUND SYSTEM EQUIPMENT - ELECTROACOUSTICAL TRANSDUCERS -
    CEI EN 61146-3 : 1998 VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT PART 3: NON-BROADCAST CAMERA-RECORDERS
    I.S. EN ISO 3382-1:2009 ACOUSTICS - MEASUREMENT OF ROOM ACOUSTIC PARAMETERS - PART 1: PERFORMANCE SPACES
    NF EN 55103-2 : 2009 ELECTROMAGNETIC COMPATIBILITY - PRODUCT FAMILY STANDARD FOR AUDIO, VIDEO, AUDIO-VISUAL AND ENTERTAINMENT LIGHTING CONTROL APPARATUS FOR PROFESSIONAL USE - PART 2: IMMUNITY
    I.S. EN 60849:1999 SOUND SYSTEMS FOR EMERGENCY PURPOSES
    DIN EN 352-6 E : 2003 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 6: EAR-MUFFS WITH ELECTRICAL AUDIO INPUT
    PD IEC/TR 62368-2:2015 Audio/video, information and communication technology equipment Explanatory information related to IEC 62368-1
    ISO 11904-2:2004 Acoustics Determination of sound immission from sound sources placed close to the ear Part 2: Technique using a manikin
    BS EN ISO 3382 : 2000 ACOUSTICS - MEASUREMENT OF THE REVERBERATION TIME OF ROOMS WITH REFERENCE TO OTHER ACOUSTICAL PARAMETERS
    BS EN ISO 11904-1 : 2002 ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 1: TECHNIQUE USING A MICROPHONE IN A REAL EAR (MIRE TECHNIQUE)
    I.S. EN ISO 11904-2:2004 ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 2: TECHNIQUE USING A MANIKIN
    EN 61329 : 1996 SOUND SYSTEM EQUIPMENT - METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SOUNDERS (ELECTROACOUSTIC TRANSDUCERS FOR TONE PRODUCTION)
    EN 61305-3:1995 HOUSEHOLD HIGH-FIDELITY AUDIO EQUIPMENT AND SYSTEMS - METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE - PART 3: AMPLIFIERS
    EN 61041-3 : 1995 NON-BROADCAST VIDEOTAPE RECORDERS - METHODS OF MEASUREMENT- PART 3: AUDIO CHARACTERISTICS FOR FM RECORDING
    EN 50157-1:1998 Domestic and similar electronic equipment interconnection requirements: AV.link - Part 1: General
    IEC 61938:2018 Multimedia systems - Guide to the recommended characteristics of analogue interfaces to achieve interoperability (GMT)
    EN 62459:2011/AC:2015 SOUND SYSTEM EQUIPMENT - ELECTROACOUSTIC TRANSDUCERS - MEASUREMENT OF SUSPENSION PARTS
    EN ISO 11904-2 : 2004 ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 2: TECHNIQUE USING A MANIKIN
    EN 60118-4:2015 ELECTROACOUSTICS - HEARING AIDS - PART 4: INDUCTION-LOOP SYSTEMS FOR HEARING AID PURPOSES - SYSTEM PERFORMANCE REQUIREMENTS (IEC 60118-4:2014/A1:2017)
    EN 62489-2:2014 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDELINES ON LIMITS FOR HUMAN EXPOSURE (IEC 62489-2:2014)
    EN 61146-3:1997 VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT - PART 3: NON-BROADCAST CAMERA-RECORDERS
    EN 55020:2007/A12:2016 SOUND AND TELEVISION BROADCAST RECEIVERS AND ASSOCIATED EQUIPMENT - IMMUNITY CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 20:2006)
    EN 62087-6 : 2015 AUDIO, VIDEO AND RELATED EQUIPMENT - DETERMINATION OF POWER CONSUMPTION - PART 6: AUDIO EQUIPMENT (IEC 62087-6:2015)
    EN 61096:1993/A1:1996 METHODS OF MEASURING THE CHARACTERISTICS OF REPRODUCING EQUIPMENT FOR DIGITAL AUDIO COMPACT DISCS
    NF EN 60268-4 : 2014 SOUND SYSTEM EQUIPMENT - PART 4: MICROPHONES
    EN 62777 : 2016 QUALITY EVALUATION METHOD FOR THE SOUND FIELD OF DIRECTIONAL LOUDSPEAKER ARRAY SYSTEM (IEC 62777:2016)
    EN 60268-3:2013 SOUND SYSTEM EQUIPMENT - PART 3: AMPLIFIERS (IEC 60268-3:2013)
    EN 60315-4 : 1998 METHODS OF MEASUREMENT ON RADIO RECEIVERS FOR VARIOUS CLASSES OF EMISSION - RECEIVERS FOR FREQUENCY-MODULATED SOUND BROADCASTING EMISSIONS
    BS EN 62458:2011 Sound system equipment. Electroacoustic transducers. Measurement of large signal parameters
    I.S. EN 61305-3:1997 HOUSEHOLD HIGH-FIDELITY AUDIO EQUIPMENT AND SYSTEMS - METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE - PART 3: AMPLIFIERS
    DIN EN 352-8:2008-07 Hearing protectors - Safety requirements and testing - Part 8: Entertainment audio ear-muffs
    07/30081117 DC : 0 BS EN ISO 3382-1 - ACOUSTICS - MEASUREMENT OF ROOM ACOUSTIC PARAMETERS - PART 1: PERFORMANCE ROOMS
    04/301307 DC : DRAFT JAN 2004 IEC 60118-4 ED.2 - HEARING AIDS - PART 4: INDUCTION LOOP SYSTEMS FOR HEARING AID PURPOSES - MAGNETIC FIELD STRENGTH
    CEI EN 61000-3-2 : 2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
    13/30281665 DC : 0 BS EN 50332-2 - SOUND SYSTEM EQUIPMENT: HEADPHONES AND EARPHONES ASSOCIATED WITH PORTABLE AUDIO EQUIPMENT - MAXIMUM SOUND PRESSURE LEVEL MEASUREMENT METHODOLOGY AND LIMIT CONSIDERATIONS - PART 2: MATCHING OF SETS WITH HEADPHONES IF EITHER OR BOTH ARE OFFERED SEPARATELY
    BS EN 55103-2:2009 Electromagnetic compatibility. Product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use Immunity
    AES 26 : 2001(R2011)
    I.S. EN 61842:2002 MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
    UNE-EN 62459:2012 Sound system equipment - Electroacoustic transducers - Measurement of suspension parts
    BS EN 61146-3 : 1997 VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT - PART 3: NON-BROADCAST CAMERA-RECORDERS
    DIN EN 54-24 E : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    BS EN 60315-4 : 1998 METHODS OF MEASUREMENT ON RADIO RECEIVERS FOR VARIOUS CLASSES OF EMISSION - PART 4: RECEIVERS FOR FREQUENCY-MODULATED SOUND BROADCASTING EMISSIONS
    BS 7434-3(1994) : 1994 AMD 8933 METHODS OF MEASUREMENT FOR NON-BROADCAST VIDEO TAPE RECORDERS - AUDIO CHARACTERISTICS FOR FM RECORDING
    BS EN ISO 3382-1:2009 Acoustics. Measurement of room acoustic parameters Performance spaces
    BS EN 61606 : 1997 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC METHODS OF MEASUREMENT OF AUDIO CHARACTERISTICS
    BS EN 61606-3 : 2008 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 3: PROFESSIONAL USE
    02/207106 DC : DRAFT JUN 2002 IEC 61606-2. ED.1 - AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 2: CONSUMER USE
    BS EN 55020 : 2007 SOUND AND TELEVISION BROADCAST RECEIVERS AND ASSOCIATED EQUIPMENT - IMMUNITY CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT
    ISO 7240-16:2007 Fire detection and alarm systems Part 16: Sound system control and indicating equipment
    I.S. EN 62777:2016 QUALITY EVALUATION METHOD FOR THE SOUND FIELD OF DIRECTIONAL LOUDSPEAKER ARRAY SYSTEM
    I.S. EN 60094-3:1999 MAGNETIC TAPE SOUND RECORDING AND REPRODUCING SYSTEMS - PART 3: METHODS OF MEASURING THE CHARACTERISTICS OF RECORDING AND REPRODUCING EQUIPMENT FOR SOUND ON MAGNETIC TAPE
    EN IEC 60118-4:2015/A1:2018 ELECTROACOUSTICS - HEARING AIDS - PART 4: INDUCTION-LOOP SYSTEMS FOR HEARING AID PURPOSES - SYSTEM PERFORMANCE REQUIREMENTS
    BS EN 60268-5 : 2003 SOUND SYSTEM EQUIPMENT - PART 5: LOUDSPEAKERS
    CEI EN 62458 : 2012 SOUND SYSTEM EQUIPMENT - ELECTROACOUSTIC TRANSDUCERS - MEASUREMENT OF LARGE SIGNAL PARAMETERS
    BS EN 60118-4 : 2006 ELECTROACOUSTICS - HEARING AIDS - PART 4: INDUCTION-LOOP SYSTEMS FOR HEARING AID PURPOSES - SYSTEM PERFORMANCE REQUIREMENTS
    CEI EN 60268-3 : 2014 SOUND SYSTEM EQUIPMENT - PART 3: AMPLIFIERS
    IEC 60268-4:2014 Sound system equipment - Part 4: Microphones
    IEC 62489-1:2010+AMD1:2014+AMD2:2017 CSV Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
    IEC 60118-4:2014+AMD1:2017 CSV Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
    EN 60065:2014/AC:2017-01 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS (IEC 60065:2014/COR2:2016)
    EN 352-6:2002 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 6: EAR-MUFFS WITH ELECTRICAL AUDIO INPUT
    EN 352-8:2008 Hearing protectors - Safety requirements and testing - Part 8: Entertainment audio ear-muffs
    I.S. EN 352-6:2002 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 6: EAR-MUFFS WITH ELECTRICAL AUDIO INPUT
    IEC 60268-10:1991 Sound system equipment - Part 10: Peak programme level meters
    I.S. EN 55020:2007 SOUND AND TELEVISION BROADCAST RECEIVERS AND ASSOCIATED EQUIPMENT - IMMUNITY CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 20:2006)
    12/30239877 DC : 0 BS EN 60065 ED 8.0 - AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    BS EN 352-8:2008 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS
    13/30289577 DC : 0 IEC 62777 - QUALITY EVALUATION METHOD FOR THE SOUND FIELD OF DIRECTIONAL LOUDSPEAKER ARRAY SYSTEM
    09/30196772 DC : 0 BS ISO 7240-24 - FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: SOUND-SYSTEM LOUDSPEAKERS
    PREN 50332-2 : DRAFT 2013 SOUND SYSTEM EQUIPMENT: HEADPHONES AND EARPHONES ASSOCIATED WITH PORTABLE AUDIO EQUIPMENT - MAXIMUM SOUND PRESSURE LEVEL MEASUREMENT METHODOLOGY AND LIMIT CONSIDERATIONS - PART 2: MATCHING OF SETS WITH HEADPHONES IF EITHER OR BOTH ARE OFFERED SEPARATELY
    BS EN 60268-4:2014 (published 2014-09) Sound system equipment Microphones
    BIS IS 12552 : 2012 SOUND AND TELEVISION BROADCAST RECEIVERS AND ASSOCIATED EQUIPMENT - IMMUNITY CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT
    I.S. EN 62087-6:2015 AUDIO, VIDEO AND RELATED EQUIPMENT - DETERMINATION OF POWER CONSUMPTION - PART 6: AUDIO EQUIPMENT
    BS EN 50332-1:2013 (published 2013-10) Sound system equipment: Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology General method for 'one package equipment'
    BS EN 61842:2002 Microphones and earphones for speech communications
    NF EN 54-24 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    BS EN 60268-7:2011 Sound system equipment Headphones and earphones
    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"
    BS EN 61603-1 : 1997 TRANSMISSION OF AUDIO AND/OR VIDEO AND RELATED SIGNALS USING INFRA-RED RADIATION - PART 1: GENERAL
    UNE-EN 55103-2:2010 Electromagnetic compatibility - Product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use - Part 2: Immunity
    UNI EN 54-24 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    17/30352646 DC : 0 BS IEC 63034 ED 1.0 - MICROSPEAKERS (TC 100)
    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"
    BS EN 61237-4 : 1998 BROADCAST VIDEO TAPE RECORDERS - METHODS OF MEASUREMENT - PART 4: ANALOGUE AUDIO PERFORMANCE MEASUREMENTS
    09/30199592 DC : 0 BS EN 62489-2 ED.1 - ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDELINES ON LIMITS FOR HUMAN EXPOSURE
    NF EN 61000-3-2 : 2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
    CEI EN 62459 : 2012 SOUND SYSTEM EQUIPMENT - ELECTROACOUSTIC TRANSDUCERS - MEASUREMENT OF SUSPENSION PARTS
    IEC 61000-3-2 : 5.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
    EN IEC 61938 : 2018 MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY (IEC 61938:2018)
    I.S. EN 62489-2:2014 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDELINES ON LIMITS FOR HUMAN EXPOSURE
    I.S. EN 60268-3:2013 SOUND SYSTEM EQUIPMENT - PART 3: AMPLIFIERS (IEC 60268-3:2013 (EQV))
    NF EN 62489-2 : 2014 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDELINES ON LIMITS FOR HUMAN EXPOSURE
    CEI EN 61305-3 : 1997 HOUSEHOLD HIGH-FIDELITY AUDIO EQUIPMENT AND SYSTEMS - METHODS OF MEASURING AND SPECIFYING THE PERFORMANCES - PART 3: AMPLIFIERS
    I.S. EN 62087-2:2016 AUDIO, VIDEO, AND RELATED EQUIPMENT - DETERMINATION OF POWER CONSUMPTION - PART 2: SIGNALS AND MEDIA
    BS EN 60065 : 2014 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS (IEC 60065:2014, MODIFIED)
    I.S. EN 60268-5:2003 SOUND SYSTEM EQUIPMENT - PART 5: LOUDSPEAKERS
    UNI EN 352-8 : 2008 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS
    I.S. EN 61146-3:1998 VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT - PART 3: NON-BROADCAST CAMERA-RECORDERS
    IEC 60107-2:1997 Methods of measurement on receivers for television broadcast transmissions - Part 2: Audio channels - General methods and methods for monophonic channels
    UNI EN 54-16 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    ISO 7240-17:2009 Fire detection and fire alarm systems Part 17: Short-circuit isolators
    ISO 7240-24:2016 Fire detection and fire alarm systems Part 24: Fire alarm loudspeakers
    I.S. HD 483.5 S2:1995 SOUND SYSTEM EQUIPMENT - PART 5: LOUDSPEAKERS
    UNE-EN 60118-4:2016 Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
    IEC 61000-3-2:2018 Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)
    IEC 61041-3:1993 Non-broadcast video tape recorders - Methods of measurement - Part 3: Audio characteristics for FM recording
    IEC 61329:1995 Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production)
    IEC 62458:2010 Sound system equipment - Electroacoustical transducers - Measurement of large signal parameters
    EN 60268-7:2011 SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
    UNI EN ISO 11904-1 : 2006 ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 1: TECHNIQUE USING A MICROPHONE IN A REAL EAR (MIRE TECHNIQUE)
    UNI EN ISO 3382-1 : 2009 ACOUSTICS - MEASUREMENT OF ROOM ACOUSTIC PARAMETERS - PART 1: PERFORMANCE SPACES
    BS EN 62087-6 : 2015 AUDIO, VIDEO AND RELATED EQUIPMENT - DETERMINATION OF POWER CONSUMPTION - PART 6: AUDIO EQUIPMENT
    17/30352682 DC : 0 BS IEC 60268-4 ED6.0 - SOUND SYSTEM EQUIPMENT - PART 4: MICROPHONES
    CEI 84-17 : 1998 SOUND SYSTEM EQUIPMENT - PART 10: PEAK PROGRAMME LEVEL METERS
    08/30178754 DC : DRAFT MAR 2008 BS EN 60268-7 - SOUND SYSTEM EQUIPMENT - PART 7 - HEADPHONES AND EARPHONES (GMT)
    DIN EN ISO 3382-1:2009-10 ACOUSTICS - MEASUREMENT OF ROOM ACOUSTIC PARAMETERS - PART 1: PERFORMANCE SPACES
    BS EN 62489-2 : 2014 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDLINES ON LIMITS FOR HUMAN EXPOSURE
    06/30081121 DC : DRAFT MAR 2006 ISO/DIS 3382-2 - ACOUSTICS - MEASUREMENT OF ROOM ACOUSTIC PARAMETERS - PART 2: REVERBERATION TIME IN ORDINARY ROOMS
    EN 62489-1:2010/A2:2018 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 1: METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SYSTEM COMPONENTS (IEC 62489-1:2010/A2:2017)
    BS EN 54-16 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    CEI EN 61041-3 : 1997 NON-BROADCAST VIDEOTAPE RECORDERS - METHODS OF MEASUREMENT - PART 3: AUDIO CHARACTERISTICS FOR FM RECORDING
    CEI EN 61603-1 : 1998 TRANSMISSION OF AUDIO AND/OR VIDEO AND RELATED SIGNALS USING INFRA-RED RADIATION - PART 1: GENERAL
    BS EN 62459:2011 (published 2016-04) Sound system equipment. Electroacoustic transducers. Measurement of suspension parts
    BS EN 60107-5 : 1999 RECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS - PART 5: ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE NICAM TWO-CHANNEL DIGITAL SOUND-SYSTEM
    BS EN 62777 : 2016 QUALITY EVALUATION METHOD FOR THE SOUND FIELD OF DIRECTIONAL LOUDSPEAKER ARRAY SYSTEM
    I.S. EN 62458:2011 SOUND SYSTEM EQUIPMENT - ELECTROACOUSTICAL TRANSDUCERS - MEASUREMENT OF LARGE SIGNAL PARAMETERS
    CEI EN 61842 : 2002 MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
    UNE-EN 60065:2015 Audio, video and similar electronic apparatus - Safety requirements
    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
    CEI EN 60268-7 : 2012 SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
    BS 6083-10(1988) : 1988 HEARING AIDS - GUIDE TO HEARING AID STANDARDS
    CEI EN 61329 : 1998 SOUND SYSTEM EQUIPMENT METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SOUNDERS (ELECTROACOUSTIC TRANSDUCERS FOR TONE PRODUCTION)
    BS EN 60107-2 : 1997 METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSION - PART 2: AUDIO CHANNELS - GENERAL METHODS AND METHODS FOR MONOPHONIC CHANNELS
    BS PD6545(2005) : 2005 INTENDED USE OF HUMAN HEAD AND EAR SIMULATORS - GUIDE
    BS EN 50332-2:2013 (published 2013-10) Sound system equipment: Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology Matching of sets with headphones if either or both are offered separately, or are offered as one package equipment but with standardised connectors between the two allowing to combine components of different manufacturers or different design
    CEI EN 61938 : 2014 MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY
    CSA C22.2 No. 60065 : 2016 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    I.S. EN 62489-1:2010 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 1: METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SYSTEM COMPONENTS
    I.S. EN IEC 61938:2018 MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY
    I.S. EN 60065:2014 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    I.S. EN 61606-3:2008 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 3: PROFESSIONAL USE
    16/30348450 DC : 0 BS EN 13819-3 - HEARING PROTECTORS - TESTING - PART 3: SUPPLEMENTARY ACOUSTIC TEST METHOD
    I.S. EN 54-24:2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    CEI EN 62489-2 : 2015 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 2: METHODS OF CALCULATING AND MEASURING THE LOW-FREQUENCY MAGNETIC FIELD EMISSIONS FROM THE LOOP FOR ASSESSING CONFORMITY WITH GUIDELINES ON LIMITS FOR HUMAN EXPOSURE
    CEI EN 61606-3 : 2009 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 3: PROFESSIONAL USE
    I.S. EN 352-8:2008 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS
    I.S. EN 54-16:2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    I.S. EN 61237-4:1998 BROADCAST VIDEO TAPE RECORDERS - METHODS OF MEASUREMENT - PART 4: ANALOGUE PERFORMANCE MEASUREMENTS
    IEC 61000-3-2:2018 RLV Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)
    DIN EN ISO 11904-2:2005-02 Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: Technique using a manikin (ISO 11904-2:2004)
    IEC 60107-5:1992+AMD1:1999 CSV Recommended methods of measurements on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system
    ISO 3382:1997 Acoustics — Measurement of the reverberation time of rooms with reference to other acoustical parameters
    IEC 62459:2010 Sound system equipment - Electroacoustical transducers - Measurement of suspension parts
    ISO 11904-1:2002 Acoustics Determination of sound immission from sound sources placed close to the ear Part 1: Technique using a microphone in a real ear (MIRE technique)
    IEC 62489-2:2014 Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure
    IEC 61606-3:2008 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 3: Professional use
    CISPR 20:2006+AMD1:2013 CSV Sound and television broadcast receivers and associated equipment -Immunity characteristics - Limits and methods of measurement
    ISO 3382-1:2009 Acoustics — Measurement of room acoustic parameters — Part 1: Performance spaces
    IEC 60268-5:2003+AMD1:2007 CSV Sound system equipment - Part 5: Loudspeakers
    IEC 61237-4:1997 Broadcast video tape recorders - Methods of measurement - Part 4: Analogue audio performance measurements
    IEC 61842:2002 Microphones and earphones for speech communications
    IEC 61305-3:1995 Household high-fidelity audio equipment and systems - Methods ofmeasuring and specifying the performance - Part 3: Amplifiers
    BS EN 352-6:2002 HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 6: EAR-MUFFS WITH ELECTRICAL AUDIO INPUT
    UNE-EN 60268-7:2013 Sound system equipment -- Part 7: Headphones and earphones
    IEC TR 62368-2:2015 Audio/video, information and communication technology equipment - Part 2: Explanatory information related to IEC 62368-1
    IEC 61606:1997 Audio and audiovisual equipment - Digital audio parts - Basic methods of measurement of audio characteristics
    IEC 62777:2016 Quality evaluation method for the sound field of directional loudspeaker array system
    UNE-EN 62489-1:2011 Electroacoustics - Audio-frequency induction loop systems for assisted hearing -- Part 1: Methods of measuring and specifying the performance of system components
    EN ISO 11904-1 : 2002 ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 1: TECHNIQUE USING A MICROPHONE IN A REAL EAR (MIRE TECHNIQUE)
    EN 54-24 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    EN 54-16:2008 Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
    EN ISO 3382 : 2000 ACOUSTICS - MEASUREMENT OF THE REVERBERATION TIME OF ROOMS WITH REFERENCE TO OTHER ACOUSTICAL PARAMETERS
    EN ISO 3382-1 : 2009 ACOUSTICS - MEASUREMENT OF ROOM ACOUSTIC PARAMETERS - PART 1: PERFORMANCE SPACES
    07/30168731 DC : 0 BS EN 61606-3 - AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENTS METHODS OF AUDIO CHARACTERISTICS - PART 3: PROFESSIONAL USE (TC 100)
    ECMA/TR 105 : 1ED 2012 A SHAPED NOISE FILE REPRESENTATIVE OF SPEECH
    BS EN 62489-1 : 2010 ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 1: METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SYSTEM COMPONENTS
    DIN 45500-6:1987-03 HIGH FIDELITY AUDIO EQUIPMENT AND SYSTEMS - MINIMUM PERFORMANCE REQUIREMENTS FOR AMPLIFIERS
    BIS IS 12193-3 : 2012(R2015) METHODS OF MEASUREMENT ON RADIO RECEIVERS FOR VARIOUS CLASSES OF EMISSION - PART 3: RECEIVERS FOR FREQUENCY-MODULATED SOUND BROADCASTING EMISSIONS
    DIN EN 54-16 E : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    PIMA IT7.402 : 0 AUDIOVISUAL SYSTEMS - SOUND SYSTEM EQUIPMENT - PART 15: PREFERRED MATCHING VALUES FOR THE INTERCONNECTION OF SOUND COMPONENTS
    BS 6840-10(1991) : 1991 SOUND SYSTEM EQUIPMENT - PART 10: METHODS FOR SPECIFYING AND MEASURING THE CHARACTERISTICS OF PEAK PROGRAMME LEVEL METERS
    09/30191349 DC : 0 BS EN 60268-4 ED.4 - SOUND SYSTEM EQUIPMENT - PART 4: MICROPHONES (GMT)
    BS EN 54-24 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    IEC 61938 : 3.0 MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY
    CEI EN 60315-4 : 1999 METHODS OF MEASUREMENT ON RADIO RECEIVERS FOR VARIOUS CLASSES OF EMISSION - PART 4: RECEIVERS FOR FREQUENCY-MODULATED SOUND BROADCASTING EMISSIONS
    BS EN 61938 : 2013 MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY
    07/30174056 DC : 0 BS EN 60065 - AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    NF EN 55020 : 2007 AMD 12 2016 SOUND AND TELEVISION BROADCAST RECEIVERS AND ASSOCIATED EQUIPMENT - IMMUNITY CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT
    IEC 61938:2018 RLV Multimedia systems - Guide to the recommended characteristics of analogue interfaces to achieve interoperability (GMT)
    BS EN 60268-3:2013 SOUND SYSTEM EQUIPMENT - PART 3: AMPLIFIERS
    I.S. EN 55103-2:2009 ELECTROMAGNETIC COMPATIBILITY - PRODUCT FAMILY STANDARD FOR AUDIO, VIDEO, AUDIO-VISUAL AND ENTERTAINMENT LIGHTING CONTROL APPARATUS FOR PROFESSIONAL USE - PART 2: IMMUNITY
    I.S. EN 61096:1993 METHODS OF MEASURING THE CHARACTERISTICS OF REPRODUCING EQUIPMENT FOR DIGITAL AUDIO COMPACT DISCS
    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 50332-2:2013 SOUND SYSTEM EQUIPMENT: HEADPHONES AND EARPHONES ASSOCIATED WITH PERSONAL MUSIC PLAYERS - MAXIMUM SOUND PRESSURE LEVEL MEASUREMENT METHODOLOGY - PART 2: MATCHING OF SETS WITH HEADPHONES IF EITHER OR BOTH ARE OFFERED SEPARATELY, OR ARE OFFERED AS ONE PACKAGE EQUIPMENT BUT WITH STANDARDISED CONNECTORS BETWEEN THE TWO ALLOWING TO COMBINE COMPONENTS OF DIFFERENT MANUFACTURERS
    I.S. EN 61000-3-2:2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
    I.S. EN 61041-3:1999 NON-BROADCAST VIDEOTAPE RECORDERS - METHODS OF MEASUREMENT- PART 3: AUDIO CHARACTERISTICS FOR FM RECORDING
    DIN EN 54-24:2008-06 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 24: COMPONENTS OF VOICE ALARM SYSTEMS - LOUDSPEAKERS
    ANSI/ASA S3.7 : 2016 METHOD FOR MEASUREMENT AND CALIBRATION OF EARPHONES
    NF EN 60065 : 2015 AMD 11 2018 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    CEI EN 55103-2 : 2010 ELECTROMAGNETIC COMPATIBILITY - PRODUCT FAMILY STANDARD FOR AUDIO, VIDEO, AUDIOVISUAL AND ENTERTAINMENT LIGHTING CONTROL APPARATUS FOR PROFESSIONAL USE - PART 2: IMMUNITY
    CEI EN 50157-1 : 1999 DOMESTIC AND SIMILAR ELECTRONIC EQUIPMENT INTERCONNECTION REQUIREMENTS: AV.LINK - PART 1: GENERAL
    IEC 60315-4:1997 Methods of measurement on radio receivers for various classes of emission - Part 4: Receivers for frequency-modulated sound broadcasting emissions
    I.S. EN 60268-4:2014 SOUND SYSTEM EQUIPMENT - PART 4: MICROPHONES
    I.S. EN 61938:2013 MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY (IEC 61938:2013 (EQV))
    07/30091745 DC : 0 BS IEC 62368 - AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - SAFETY - REQUIREMENTS
    BS EN ISO 11904-2:2004 ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 2: TECHNIQUE USING A MANIKIN
    EN 60107-2:1997/corrigendum:1997 METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS - AUDIO CHANNELS - GENERAL METHODS AND METHODS FOR MONOPHONIC CHANNELS
    EN 61606 : 1997 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC METHODS OF MEASUREMENT OF AUDIO CHARACTERISTICS
    EN 61237-4 : 1997 BROADCAST VIDEO TAPE RECORDERS - METHODS OF MEASUREMENT - PART 4: ANALOGUE AUDIO PERFORMANCE MEASUREMENTS
    EN 60268-5:2003/A1:2009 SOUND SYSTEM EQUIPMENT - PART 5: LOUDSPEAKERS
    EN 55103-2:2009 Electromagnetic compatibility - Product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use - Part 2: Immunity
    EN 61606-3 : 2008 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 3: PROFESSIONAL USE
    EN 60107-5:1992/A1:1999 RECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSION - PART 5: ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE NICAM TWO-CHANNEL DIGITAL SOUND-SYSTEM
    EN 62458 : 2011 SOUND SYSTEM EQUIPMENT - ELECTROACOUSTICAL TRANSDUCERS - MEASUREMENT OF LARGE SIGNAL PARAMETERS
    HD 483.10 : 200S1 SOUND SYSTEM EQUIPMENT - PART 10: PEAK PROGRAMME LEVEL METERS
    EN 61000-3-2:2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE) (IEC 61000-3-2:2014)
    EN 60268-4:2014 SOUND SYSTEM EQUIPMENT - PART 4: MICROPHONES (IEC 60268-4:2014)
    DIN EN 54-16:2008-06 Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
    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 61603-1 : 1997 TRANSMISSION OF AUDIO AND/OR VIDEO RELATED SIGNALS USING INFRA-RED RADIATION - GENERAL
    EN 61842 : 2002 MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
    EN 62087-2 : 2016 AUDIO, VIDEO, AND RELATED EQUIPMENT - DETERMINATION OF POWER CONSUMPTION - PART 2: SIGNALS AND MEDIA (IEC 62087-2:2015)
    EN 60094-3:1996/A3:1996 MAGNETIC TAPE SOUND RECORDING AND REPRODUCING SYSTEMS - PART 3: METHODS OF MEASURING THE CHARACTERISTICS OF RECORDING AND REPRODUCING EQUIPMENT FOR SOUND ON MAGNETIC TAPE
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