IEC 60268-4:2014

Superseded

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Sound system equipment - Part 4: Microphones

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

Superseded date: 31-12-2021

Language(s): English - French

Published date: 19-06-2014

Publisher: International Electrotechnical Committee

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

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General conditions
5 Particular conditions
6 Type description (acoustical behaviour)
7 Terminals and controls
8 Reference point and axis
9 Rated power supply
10 Electrical impedance
11 Sensitivity
12 Response
13 Directional characteristics
14 Amplitude non-linearity
15 Limiting characteristics
16 Balance
17 Equivalent sound pressure level due to inherent noise
18 Ambient conditions
19 External influences
20 Electromagnetic compatibility (EMC)
21 Physical characteristics
22 Classification of the characteristics to be specified
Annex A (normative) - Additional characteristics
Annex B (informative) - Sound insulation device
Annex C (informative) - Simplified procedure for 'pop'
measurements
Annex D (informative) - Recommendations for professional
digital microphones
Bibliography

Abstract - (Show below) - (Hide below)

IEC 60268-4:2014 specifies methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also details the characteristics to be specified by the manufacturer. This fifth edition cancels and replaces the fourth edition published in 2010, and constitutes a technical revision. It includes the following changes:
- clarification of Table 5 of classification of characteristics;
- clarification of graphical representation;
- clarification of environmental influences;
- rewritten clause for EMC;
- tolerances and more specific values for noise measurements;
- inclusion of near-field response for sound source-to-microphone distances of the order of 30 cm.

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

Committee	TC 100/TA 20
Development Note	Supersedes IEC 60089. (07/2004) Stability date: 2017. (06/2014)
Document Type	Standard
ISBN
Pages
Published
Publisher	International Electrotechnical Committee
Status	Superseded
Superseded By	IEC 60268-4:2018 IEC 60268-4:2018 RLV
Supersedes	IEC 60268-4:2010 IEC 60089:1957

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
BIS IS 15596-4 : 2016	Identical
CEI EN 60268-4 : 2015	Identical
EN 60268-4:2014	Identical
NEN EN IEC 60268-4 : 2014	Identical
DIN EN 60268-4:2016-07	Identical
NF EN 60268-4 : 2014	Identical
SN EN 60268-4 : 2014	Identical
PN EN 60268-4 : 2014	Identical
SAC GB/T 12060-4 : 2012	Identical
BS EN 60268-4:2014	Identical

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

BS EN 54-16:2008	FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
DIN EN ISO 20109 E : 2017	SIMULTANEOUS INTERPRETING - EQUIPMENT - REQUIREMENTS (ISO 20109:2016)
ISO 10494:1993	Gas turbines and gas turbine sets Measurement of emitted airborne noise Engineering/survey method
IEC TR 62251:2003	Multimedia systems and equipment - Quality assessment - Audio-video communication systems
I.S. EN ISO 20109:2016	SIMULTANEOUS INTERPRETING - EQUIPMENT - REQUIREMENTS (ISO 20109:2016)
CEI EN 61146-3 : 1998	VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT PART 3: NON-BROADCAST CAMERA-RECORDERS
IEC 60914:1988	Conference systems - Electrical and audio requirements
EN 61146-3:1997	Video cameras (PAL/SECAM/NTSC) - Methods of measurement - Part 3: Non-broadcast camera-recorders
08/30178754 DC : DRAFT MAR 2008	BS EN 60268-7 - SOUND SYSTEM EQUIPMENT - PART 7 - HEADPHONES AND EARPHONES (GMT)
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)
NF EN 61063 : 2003	ACOUSTICS - MEASUREMENT OF AIRBORNE NOISE EMITTED BY STEAM TURBINES AND DRIVEN MACHINERY
AES 26 : 2001(R2011)
I.S. EN 61842:2002	MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
BS EN 61842:2002	Microphones and earphones for speech communications
BS EN 61146-3:1997	VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT - PART 3: NON-BROADCAST CAMERA-RECORDERS
ISO 7240-16:2007	Fire detection and alarm systems — Part 16: Sound system control and indicating equipment
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
BS 6840-15:1992	SOUND SYSTEM EQUIPMENT - SPECIFICATION FOR MATCHING VALUES FOR THE INTERCONNECTION OF SOUND SYSTEM COMPONENTS
UNE-EN ISO 20109:2017	Simultaneous interpreting - Equipment - Requirements (ISO 20109:2016)
BS EN ISO 20109:2016	Simultaneous interpreting. Equipment. Requirements
DIN 45500-5:1989-01	HIGH FIDELITY AUDIO EQUIPMENT AND SYSTEMS - MINIMUM PERFORMANCE REQUIREMENTS FOR MICROPHONES
BS EN 60268-7:2011	Sound system equipment Headphones and earphones
I.S. EN 61146-3:1998	VIDEO CAMERAS (PAL/SECAM/NTSC) - METHODS OF MEASUREMENT - PART 3: NON-BROADCAST CAMERA-RECORDERS
UNI EN 54-16 : 2008	FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
EN 60268-7:2011	Sound system equipment - Part 7: Headphones and earphones
EN ISO 20109:2016	Simultaneous interpreting - Equipment - Requirements (ISO 20109:2016)
CEI EN 61842 : 2002	MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
CEI EN 60268-7 : 2012	SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
17/30356590 DC : DRAFT AUG 2017	BS ISO 10494 - TURBINES AND TURBINE SETS - MEASUREMENT OF EMITTED AIRBORNE NOISE - ENGINEERING/SURVEY METHOD
BS 7443:1991	SPECIFICATION FOR SOUND SYSTEMS FOR EMERGENCY PURPOSES
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 54-16:2008	FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
IEC 60268-12:1987	Sound system equipment. Part 12: Application of connectors for broadcast and similar use
IEC 61842:2002	Microphones and earphones for speech communications
ISO 20109:2016	Simultaneous interpreting Equipment Requirements
UNE-EN 60268-7:2013	Sound system equipment -- Part 7: Headphones and earphones
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
IEC 61063:1991	Acoustics - Measurement of airborne noise emitted by steam turbines and driven machinery
EN 54-16:2008	Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
DIN EN ISO 20109:2016-02 (Draft)	SIMULTANEOUS INTERPRETING - EQUIPMENT - REQUIREMENTS (ISO 20109:2016)
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 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
DIN EN ISO 20109:2017-03	SIMULTANEOUS INTERPRETING - EQUIPMENT - REQUIREMENTS (ISO 20109:2016)
DIN EN 54-16:2008-06	Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
EN 61842:2002	Microphones and earphones for speech communications

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

IEC 61000-4-8 : 2.0	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-8: TESTING AND MEASUREMENT TECHNIQUES - POWER FREQUENCY MAGNETIC FIELD IMMUNITY TEST
IEC 61938 : 2.0	MULTIMEDIA SYSTEMS - GUIDE TO THE RECOMMENDED CHARACTERISTICS OF ANALOGUE INTERFACES TO ACHIEVE INTEROPERABILITY
IEC 60268-3:2013	Sound system equipment - Part 3: Amplifiers
CFR 47(PTS70-79) : OCT 2017	TELECOMMUNICATIONS - FEDERAL COMMUNICATIONS COMMISSION
IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION)	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
IEC 60958-4:2003+AMD1:2008 CSV	Digital audio interface - Part 4: Professional applications
IEC 60268-12:1987	Sound system equipment. Part 12: Application of connectors for broadcast and similar use
AES 3 : 2009(R2014)	AES STANDARD FOR DIGITAL AUDIO ENGINEERING - SERIAL TRANSMISSION FORMAT FOR TWO-CHANNEL LINEARLY REPRESENTED DIGITAL AUDIO DATA
IEC 61000-4-8:2009	Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
IEC 61000-4-4:2012 RLV	Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test
2004/108/EC : 2004	DIRECTIVE 2004/108/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 15 DECEMBER 2004 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO ELECTROMAGNETIC COMPATIBILITY AND REPEALING DIRECTIVE 89/336/EC
IEC 61000-4-17:1999+AMD1:2001+AMD2:2008 CSV	Electromagnetic compatibility (EMC) - Part 4-17: Testing and measurement techniques - Ripple on d.c. input power port immunity test
AES 42 : 2010(R2015)	AES STANDARD FOR ACOUSTICS - DIGITAL INTERFACE FOR MICROPHONES
CFR 47(PTS0-19) : OCT 2017	TELECOMMUNICATION - FEDERAL COMMUNICATIONS COMMISSION
IEC 61000-4-6 : 4.0	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS
IEC 61000-4-6:2013	Electromagnetic compatibility (EMC) - Part 4-6: Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
CISPR 22:2008	Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
IEC 61000-4-2:2008	Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
IEC 61938:2013	Multimedia systems - Guide to the recommended characteristics of analogue interfaces to achieve interoperability
IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV	Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
IEC 61260-1:2014	Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications
IEC 61000-3-3:2013 RLV	Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤ 16 A per phase and not subject to conditional connection
IEC 60268-1:1985	Sound system equipment. Part 1: General
CISPR 35:2016	Electromagnetic compatibility of multimedia equipment - Immunity requirements
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
IEC 61000-3-3 : 3.0EN+(REDLINE+VERSION)	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-3: LIMITS - LIMITATION OF VOLTAGE CHANGES, VOLTAGE FLUCTUATIONS AND FLICKER IN PUBLIC LOW-VOLTAGE SUPPLY SYSTEMS, FOR EQUIPMENT WITH RATED CURRENT <= 16 A PER PHASE AND NOT SUBJECT TO CONDITIONAL CONNECTION
EN 300 422-2 : 1.4.1	WIRELESS MICROPHONES; AUDIO PMSE UP TO 3 GHZ; PART 2: CLASS B RECEIVERS; HARMONISED STANDARD COVERING THE ESSENTIAL REQUIREMENTS OF ARTICLE 3.2 OF DIRECTIVE 2014/53/EU
IEC 60268-11:1987	Sound system equipment. Part 11: Application of connectors for the interconnection of sound system components
CFR 47(PTS80-END) : OCT 2017	TELECOMMUNICATION - FEDERAL COMMUNICATIONS COMMISSION
IEC 60268-5:2003+AMD1:2007 CSV	Sound system equipment - Part 5: Loudspeakers
IEC 61000-3-2 : 4.0	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 3-2: LIMITS - LIMITS FOR HARMONIC CURRENT EMISSIONS (EQUIPMENT INPUT CURRENT <= 16 A PER PHASE)
IEC 61000-4-16 : 2.0	ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-16: TESTING AND MEASUREMENT TECHNIQUES - TEST FOR IMMUNITY TO CONDUCTED, COMMON MODE DISTURBANCES IN THE FREQUENCY RANGE 0 HZ TO 150 KHZ

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