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IEC 60268-23:2023 specifies acoustical measurement methods that apply to TV sets, monitors with built-in loudspeakers, and other audio devices having similar acoustical properties (e.g. flat-panel loudspeakers). The acoustical measurements are performed under free-field conditions and in-situ. This document does not assess the perception and cognitive evaluation of the reproduced sound, nor the impact of perceived sound quality.
- Draft64 pagesEnglish languagesale 10% offe-Library read for1 day
IEC 60268-23:2023 specifies acoustical measurement methods that apply to TV sets, monitors with built-in loudspeakers, and other audio devices having similar acoustical properties (e.g. flat-panel loudspeakers). The acoustical measurements are performed under free-field conditions and in-situ.
This document does not assess the perception and cognitive evaluation of the reproduced sound, nor the impact of perceived sound quality.
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No scope available
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This document specifies the methods for measuring the battery duration at defined sound pressure levels for continuous music playback of battery powered loudspeaker equipment. A primary battery or secondary battery can be used as a power source for the loudspeaker and its composite equipment. In case of composite equipment this method for the measurement of battery duration can be applied under the condition of powered loudspeaker playback only. NOTE Loudspeakers designed for short hearing distance are not in the scope of this document.
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The present document specifies technical characteristics and methods of measurements for audio PMSE equipment operating with up to 250 mW output power on radio frequencies up to 3 GHz (see note 1). NOTE 1: For RF power levels above this, refer to ETSI EN 300 454-1 [i.3]. Audio Programme Making and Special Events (PMSE) equipment within the scope of the present document is used in wireless applications for audio transmission purposes including, but not limited to equipment such as wireless microphones, in-ear monitoring systems, conference systems, talkback systems, tour guide systems, Cognitive PMSE (C-PMSE), Wireless Multichannel Audio Systems (WMAS), and assistive listening devices.
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NEW!IEC 60268-4:2018 is available as IEC 60268-4:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60268-4:2018 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. It applies to sound system microphones for all applications for speech and music. It does not apply to measurement microphones, but it does apply to each audio channel of microphones having more than one channel, for example for stereo or similar use. It is also applicable to flush-mounted microphones and to the analogue characteristics of microphones with digital audio output. For the purposes of this International Standard, a microphone includes all such devices as transformers, pre-amplifiers, or other elements that form an integral part of the microphone, up to the output terminals specified by the manufacturer. The major characteristics of a microphone are considered in Clauses 6 to 21. Additional characteristics are considered in Annex A and Annex C. IEC 60268-4:2018 cancels and replaces the fifth edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) subclause 19.4 on "pop" measurement replaces Annex C; b) new Annex D for noise measurements in the digital domain.
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IEC 63296-1:2021 specifies the methods for measuring the battery duration at defined sound pressure levels for continuous music playback of battery-powered loudspeaker equipment. A primary battery or secondary battery can be used as a power source for the loudspeaker and its composite equipment. In the case of composite equipment, this method for the measurement of battery duration can be applied under the condition of powered loudspeaker playback only.
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The present document specifies technical characteristics and methods of measurements for audio frequency induction
loop drivers operating from 10 Hz to 9 kHz used in Audio Frequency Induction Loop System (AFILS) with an upper
limit of 45 Arms.
NOTE 1: The object of an AFILS is to transmit an audio signal to people with hearing difficulties. The receiver in
this case is normally a hearing aid or cochlear implant with a built in telecoil, both of which are covered
by ETSI EN 300 422-4 [i.11].
These radio equipment types are capable of operating in the frequency band within the 10 Hz to 9 kHz range:
• with (an) output connection(s);
• for audio frequency baseband transmission (un-modulated and without the use of a carrier).
The present document covers induction loop drivers with output connectors. Integral antenna systems are covered by
ETSI EN 300 422-4 [i.11].
NOTE 2: The relationship between the present document and essential requirements of article 3.2 of Directive
2014/53/EU [i.1] is given in annex A.
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IEC 63296-1:2021 specifies the methods for measuring the battery duration at defined sound pressure levels for continuous music playback of battery-powered loudspeaker equipment. A primary battery or secondary battery can be used as a power source for the loudspeaker and its composite equipment. In the case of composite equipment, this method for the measurement of battery duration can be applied under the condition of powered loudspeaker playback only.
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This document specifies basic framework measurement methods for sound immission from sound
sources placed close to the ear. These measurements are carried out with a manikin, equipped
with ear simulators including microphones. The measured values are subsequently converted into
corresponding free-field or diffuse-field levels. The results are given as free-field related or diffusefield
related equivalent continuous A-weighted sound pressure levels. The technique is denoted the
manikin technique.
This document is applicable to exposure to sound from sources close to the ear, for example during
equipment tests or at the workplace to sound from earphones or hearing protectors with audio
communication facilities.
This document is applicable in the frequency range from 20 Hz to 10 kHz. For frequencies above 10 kHz,
ISO 11904-1 can be used.
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IEC 63034:2020 specifies the characteristics of microspeakers as well as the relevant test methods on microspeakers using steady-state sinusoidal signals, sinusoidal chirp, multi-tone or noise. The main characteristics include, but are not limited to, impedance, displacement, amplitude frequency response, distortion, and power handling.
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IEC 63034:2020 specifies the characteristics of microspeakers as well as the relevant test methods on microspeakers using steady-state sinusoidal signals, sinusoidal chirp, multi-tone or noise. The main characteristics include, but are not limited to, impedance, displacement, amplitude frequency response, distortion, and power handling.
- Standard45 pagesEnglish languagesale 10% offe-Library read for1 day
IEC 63034:2020 specifies the characteristics of microspeakers as well as the relevant test methods on microspeakers using steady-state sinusoidal signals, sinusoidal chirp, multi-tone or noise. The main characteristics include, but are not limited to, impedance, displacement, amplitude frequency response, distortion, and power handling.
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IEC 61094-3:2016 specifies a primary method of determining the complex free-field sensitivity of laboratory standard microphones so as to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions. It is applicable to laboratory standard microphones meeting the requirements of IEC 61094-1. It is intended for use by laboratories with highly experienced staff and specialized equipment. This second edition cancels and replaces the first edition published in 1995. This edition constitutes a technical revision.
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The present document, together with ETSI EN 301 489-1 [1], covers the assessment of wireless microphones, similar
RF audio link equipment, cordless audio, including low power Band II transmitters and in-ear monitoring, intended for
the transmission of music and speech, and associated ancillary equipment, in respect of ElectroMagnetic Compatibility
(EMC).
Technical specifications related to the antenna port and emissions from the enclosure port of wireless microphones,
similar RF audio link equipment, cordless audio and in-ear monitoring are not included in the present document. Such
technical specifications are found in the relevant product standards for the effective use of the radio spectrum.
The present document specifies the applicable EMC tests, the test methods, the limits and the performance criteria for
wireless microphones, similar RF audio link equipment, cordless audio, in-ear monitoring and associated ancillary
equipment. This equipment can use analogue or digital modulation techniques.
Examples of equipment types covered by the present document are given in annex C.
Other types of transmitters or receivers, which are intended for combined use, with either wireless radio microphones,
RF audio link equipment, cordless audio and in-ear monitoring will be tested to their appropriate EMC standard.
Low quality speech applications as toy microphones, babyphones etc. operating at frequencies below 50 MHz, occupied
bandwidth < 25 kHz and operating according CEPT/ERC/REC 70-03 [i.2], annex 1 are excluded from the present
document and are considered in ETSI EN 301 489-3 [i.4].
In case of differences (for instance concerning special conditions, definitions, abbreviations) between the present
document and ETSI EN 301 489-1 [1], the provisions of the present document take precedence.
The environmental classification and the emission and immunity requirements used in the present document are as
stated in ETSI EN 301 489-1 [1], except for any special conditions included in the present document.
The present document is aimed to cover requirements to demonstrate an adequate level of electromagnetic
compatibility.
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This part of IEC 60268 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.
It applies to sound system microphones for all applications for speech and music. It does not
apply to measurement microphones, but it does apply to each audio channel of microphones
having more than one channel, for example for stereo or similar use. It is also applicable to
flush-mounted microphones and to the analogue characteristics of microphones with digital
audio output.
For the purposes of this International Standard, a microphone includes all such devices as
transformers, pre-amplifiers, or other elements that form an integral part of the microphone,
up to the output terminals specified by the manufacturer.
The major characteristics of a microphone are considered in Clauses 6 to 21. Additional
characteristics are considered in Annex A and Annex C.
NOTE The characteristics specified in this document do not describe the subjective response of the microphone.
Further work is necessary to find new definitions and measurement procedures for a later introduction of objective
characteristics for at least some of the subjective descriptions used to describe microphone performance.
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IEC 62777:2016(E) determines of the performance of directional loudspeaker array systems, compares these system types, and determines their proper practical application, by listing the characteristics which are useful for their specification. It specifies uniform measurement methods for these characteristics.
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IEC 60974-14:2018 specifies requirements for the verification of arc welding and external monitoring equipment. This document also serves for practical implementation of the verification procedure for arc welding equipment.
This document can be applied at the time of installation and any other times or intervals the user deems appropriate to ensure the equipment is capable of operating to the manufacturer’s specification or other specifications deemed applicable by the user.
The contents of the corrigendum of January 2022 have been included in this copy.
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IEC 60268-4:2018 is available as IEC 60268-4:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60268-4:2018 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. It applies to sound system microphones for all applications for speech and music. It does not apply to measurement microphones, but it does apply to each audio channel of microphones having more than one channel, for example for stereo or similar use. It is also applicable to flush-mounted microphones and to the analogue characteristics of microphones with digital audio output. For the purposes of this International Standard, a microphone includes all such devices as transformers, pre-amplifiers, or other elements that form an integral part of the microphone, up to the output terminals specified by the manufacturer. The major characteristics of a microphone are considered in Clauses 6 to 21. Additional characteristics are considered in Annex A and Annex C. IEC 60268-4:2018 cancels and replaces the fifth edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) subclause 19.4 on "pop" measurement replaces Annex C;
b) new Annex D for noise measurements in the digital domain.
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The present document specifies technical characteristics and methods of measurements for audio frequency induction
loop amplifiers and receivers operating from 10 Hz to 9 kHz used in audio frequency induction loop systems (AFILS).
NOTE: The object of an AFILS is to transmit an audio signal to people with hearing difficulties. The receiver in
this case is normally a hearing aid with a built in telecoil.
These radio equipment types are capable of operating in the frequency band within the 10 Hz to 9 kHz range:
• either with an output connection(s) and dedicated loop(s) or with an internal loop(s);
• for audio frequency baseband transmission (un-modulated and without the use of a carrier).
The present document covers fixed induction loop amplifiers, mobile induction loop amplifiers and portable induction
loop amplifiers.
The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.1] under the
conditions identified in annex A.
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This part 3 of EN 50332 specifies sound dose measurement, and the alerts associated, to reduce the risk of listeners developing hearing impairment when using a Personal Music Player (PMP). The standard does not cover exposure from other sources than PMPs.
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The present document specifies technical characteristics and methods of measurements for Assistive Listening Devices
(ALDs) comprising personal hearing aid systems including inductive systems, personal sound amplifiers, and associated
accessories for ALDs, e.g. remote controls and audio streaming devices.
The present document applies to equipment operating on radio frequencies up to 3 GHz (as shown in table 1) using
analogue, digital and hybrid (using both analogue and digital) modulation.
The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.14] under the
conditions identified in annex A.
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The present document specifies the technical characteristics and methods of measurement for the following types of
equipment:
a) Assistive Listening Devices (ALDs);
b) Radio Microphones;
c) In-Ear Monitoring Systems;
d) Wireless Multichannel Audio Systems (WMAS);
e) Tour Guide Systems;
with Class B receivers which have reduced performance requirements with respect to sensitivity, adjacent channel
selectivity, and receiver blocking compared to those with Class A receivers. It does not necessarily include all the
characteristics that may be required by a user, nor does it necessarily represent the optimum performance achievable.
Equipment with Class B receivers will support the operation of fewer wireless audio channels in a given amount of
spectrum than Class A receivers.
The present document applies to equipment operating on radio frequencies up to 3 GHz (as shown in table 1) using
analogue, digital and hybrid (using both analogue and digital) modulation.
The maximum power recommended for equipment covered by this multi-part deliverable is 250 mW for radio
microphones and 10 mW for ALDs.
An exception to this are the Public Hearing Aids defined in the CEPT Report 004 [i.7] and subsequent EC Decision
2005/928/EC [i.9] and EC Decision 2006/771/EC [i.8] on the ex ERMES band (169,4 MHz to 169,8125 MHz) where
500 mW is defined.
The present document covers the essential requirements of Article 3.2 of Directive 2014/53/EU under the conditions
identified in annex A. The present document also covers radio microphones used in the 863 MHz to 865 MHz band,
with a maximum power of 10 mW.
Electromagnetic Compatibility (EMC) requirements are covered by ETSI EN 301 489-9 [i.4].
National regulations on:
1) maximum power output;
2) licensing status;
will take precedence or those detailed in the latest version of:
• EC Decision 2005/928/EC [i.9];
• ECC/DEC/(05)02 [i.10];
• the EC SRD Decision [i.8]; or
• CEPT/ERC/REC 70-03 [i.6], annex 10 (see http://www.erodocdb.dk/);
• EC Decision 2014/641/EU [i.11].
Unless otherwise stated in the EC SRD Decision, ECC Decision or National Interfaces, Radio Microphones can be
subject to individual licence.
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The present document specifies the technical characteristics and methods of measurement for the following types of
equipment:
1) Assistive Listening Devices;
2) Radio Microphones;
3) In-ear Monitoring Systems;
4) WMAS (Wireless Multichannel Audio Systems;
5) Tour Guide Systems;
with Class C receivers which have significantly reduced performance requirements with respect to sensitivity, adjacent
channel selectivity, and receiver blocking compared to those with Class A receivers. It does not necessarily include all
the characteristics that may be required by a user, nor does it necessarily represent the optimum performance
achievable. Equipment with Class C receivers will support the operation of fewer wireless audio channels in a given
amount of spectrum than Class A or Class B receivers.
The present document applies to equipment operating on radio frequencies up to 3 GHz (as shown in table 1) using
analogue, digital and hybrid (using both analogue and digital) modulation.
The maximum power recommended for equipment covered by this multi-part deliverable is 250 mW for radio
microphones and 10 mW for ALDs.
An exception to this are the Public Hearing Aids defined in the CEPT Report 004 [i.7] and subsequent EC Decision
2005/928/EC [i.9] and EC Decision 2006/771/EC [i.8] on the ex ERMES band (169,4 MHz to 169,8125 MHz) where
500 mW is defined.
The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU under the conditions
identified in annex A. The present document also covers radio microphones used in the 863 MHz to 865 MHz band,
with a maximum power of 10 mW.
Electromagnetic Compatibility (EMC) requirements are covered by ETSI EN 301 489-9 [i.4].
National regulations on:
1) maximum power output;
2) licensing status;
will take precedence or those detailed in the latest version of:
• EC Decision 2005/928/EC [i.9];
• ECC/DEC/(05)02 [i.10];
• the EC SRD Decision [i.8]; or
• CEPT/ERC/REC 70-03 [i.6], annex 10 (see http://www.erodocdb.dk/);
• EC Decision 2014/641/EU [i.11].
Unless otherwise stated in the EC SRD Decision, ECC Decision or National Interfaces, Radio Microphones can be
subject to individual licence.
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This part 3 of EN 50332 specifies sound dose measurement, and the alerts associated, to reduce the risk of listeners developing hearing impairment when using a Personal Music Player (PMP). The standard does not cover exposure from other sources than PMPs.
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IEC corrigendum
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REN/ERM-TG17-18-C1
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IEC corrigendum
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Applies to working standard microphones with removable protection grids meeting the requirements of EN 61094-4 and to laboratory standard microphones meeting the requirements of EN 61094-1. Describes methods of determining the pressure sensitivity by comparison with either a laboratory standard microphone that has been calibrated according to EN 61094-2, or another working standard microphone that has been calibrated according to this part of EN 61094.
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This part of IEC 61094
• specifies a primary method of determining the complex free-field sensitivity of laboratory
standard microphones so as to establish a reproducible and accurate basis for the
measurement of sound pressure under free-field conditions,
• is applicable to laboratory standard microphones meeting the requirements of
IEC 610941,
• is intended for use by laboratories with highly experienced staff and specialized
equipment.
NOTE The calibration principle described in this part of IEC 61094 is also applicable to working standard
microphones, preferably used without their protection grid.
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IEC 61730-1:2016 specifies and describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation. Specific topics are provided to assess the prevention of electrical shock, fire hazards, and personal injury due to mechanical and environmental stresses. This part of IEC 61730 pertains to the particular requirements of construction. IEC 61730-2 defines the requirements of testing. This International Standard series lays down IEC requirements of terrestrial photovoltaic modules suitable for long-term operation in open-air climates. This standard is intended to apply to all terrestrial flat plate module materials such as crystalline silicon module types as well as thin-film modules. This new edition includes the following significant technical changes with respect to the previous edition:
- adaption of horizontal standards and inclusion of IEC 60664 and IEC 61140;
- implementation of insulation coordination, overvoltage category, classes, pollution degree and material groups definition of creepage, clearance and distance through insulation.
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This International Standard applies to directional loudspeaker array systems of any kind, and
to the parts of which they are composed or which are used as auxiliaries in such systems.
This standard deals with the determination of the performance of directional loudspeaker
array systems, the comparison of these system types, and the determination of their proper
practical application, by listing the characteristics which are useful for their specification. It
specifies uniform measurement methods for these characteristics.
This standard is restricted to a description of the audio space around a person and the
relevant method of measurement. It does not consider characteristics of loudspeakers, which
are specified in IEC 60268-5.
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IEC 61094-3:2016 specifies a primary method of determining the complex free-field sensitivity of laboratory standard microphones so as to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions. It is applicable to laboratory standard microphones meeting the requirements of IEC 61094-1. It is intended for use by laboratories with highly experienced staff and specialized equipment. This second edition cancels and replaces the first edition published in 1995. This edition constitutes a technical revision.
The contents of the corrigendum of December 2016 have been included in this copy.
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IEC corrigendum
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IEC 62777:2016 determines of the performance of directional loudspeaker array systems, compares these system types, and determines their proper practical application, by listing the characteristics which are useful for their specification. It specifies uniform measurement methods for these characteristics.
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IEC corrigendum
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The present document applies to equipment operating on radio frequencies between 25 MHz and 3 GHz, using
analogue, digital and hybrid (using both analogue and digital modulation) modulation.
The present document applies to the following radio equipment types:
• Professional Wireless Microphone Systems (PWMS);
• in ear monitoring systems;
• consumer radio microphones;
• tour guide systems; and
• Assistive Listening Devices (Aids for the handicapped) comprising personal and public hearing aid systems.
The maximum power recommended for equipment covered by the present document is 250 mW for radio microphones
and 500 mW for public hearing aids in the 169,4 MHz to 169,8125 MHz band (erp below 1 GHz and eirp above
1 GHz).
The present document also covers radio microphones used in the 863 MHz to 865 MHz band, with a maximum power
of 10 mW.
The present document is intended to cover the provisions of Directive 1999/5/EC [i.1] (R&TTE Directive):
Article 3.2, which states that "….. radio equipment shall be so constructed that it effectively uses the spectrum allocated
to terrestrial/space radio communications and orbital resources so as to avoid harmful interference".
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of Article 3 of the R&TTE Directive may apply to equipment within the scope of the present
document.
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The present document covers the minimum characteristics considered necessary in order to make the best use of the
available frequency spectrum for wireless microphones and Aids for the hearing impaired.
The present document specifies the minimum performance requirements and the methods of measurement of Assistive
Listening Devices, radio microphones and in-ear monitoring systems. It does not necessarily include all the
characteristics that may be required by a user, nor does it necessarily represent the optimum performance achievable.
The present document applies to equipment operating on radio frequencies between 25 MHz and 3 GHz (as shown in
table 1) using analogue, digital and hybrid (using both analogue and digital) modulation.
The maximum power recommended for equipment covered by the present document is 250 mW for radio microphones
and 10 mW for ALDs.
An exception to this are the Public Hearing Aids defined in the CEPT Report 004 [i.9] and subsequent ECC [i.11] and
EC Decisions [i.10] on the ex ERMES band (169,4 MHz to 169,8125 MHz) where 500 mW is defined.
The present document also covers radio microphones used in the 863 MHz to 865 MHz band, with a maximum power
of 10 mW.
Electromagnetic Compatibility (EMC) requirements are covered by ETSI EN 301 489-9 [i.4].
National regulations on:
1) maximum power output;
2) licensing status;
will apply or those detailed in the latest version of:
• EC Decision 2005/928/EC [i.11];
• ECC/DEC/(05)02 [i.12];
• the EC SRD Decision [i.10]; or
• CEPT/ERC/REC 70-03 [i.8], annex 10 (see http://www.erodocdb.dk/).
Unless otherwise stated in the EC SRD Decision, ECC Decision or National Interfaces, Radio Microphones can be
subject to individual licence.
The types of equipment covered by the present document are as follows:
• in ear monitoring systems;
• consumer radio microphones;
• tour guide systems; and
• Assistive Listening Devices (Aids for the handicapped) comprising personal and public hearing aid systems.
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IEC 61158-6-23:2014 defines the protocol provided to define the wire-representation of the service primitives defined in IEC 61158-5-23, and define the externally visible behaviour associated with their transfer. This standard specifies the protocol of the IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545).
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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.
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IEC 60317-53:2014 specifies requirements for tape wrapped rectangular copper winding wire of temperature index 220. The insulation consists of one or more wrappings of aromatic polyamide (aramid) tape of various thicknesses. The range of nominal conductor dimensions covered by this standard is: width: min. 2,00 mm max. 16,00 mm; thickness: min.0,80 mm max. 5,60 mm. This second edition cancels and replaces the first edition published in 1999. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- new 3.2.2 containing general notes on winding wire, formerly a part of the scope;
- new 3.3, containing requirements for appearance;
- modification to Clause 15 to delete the note on revisions to IEC 60172;
- new Clause 23, Pin hole test. Keywords: tape wrapped rectangular copper winding wire of temperature index 220, aromatic polyamide (aramid) tape
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This Part 2 of EN 50332 specifies methods of measuring the matching values for the use of personal music players and headphones/earphones defined for the use with those and with standardised connectors or interfaces allowing to combine components of different manufacturers or different design sold separately in order to avoid possible hearing impairment by excessive sound pressure resulting from them. Compared with “one-package sets“ the sound pressure level at the ear cannot be fixed by only one condition but needs at least two characteristics, one each for player and the headphones/earphones, defined by the matching values for their connection. Requirements for protection against excessive sound pressure from personal music players are given in EN 60950-1:2006/A12:2011 and EN 60065:2002/A12:2011.
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The scope of this European Standard is to set up a suitable measuring methodology allowing accurate measurement of the maximum sound pressure level produced by consumer's headphones and earphones when associated with personal music players. Requested features: - The method should be reproducible and easily applicable to every type and shape of headphone or earphone available on the market (good mechanical adaptability). - As safety and health are addressed, the method should faithfully reflect the pressure level effective at the user's ear (good correlation with subjective tests) to support protection against excessive sound pressure from personal music players (the limits themselves are found in EN 60950-1:2006/A12:2011 and EN 60065:2002/A12:2011 respectively). - And finally, it is desirable to establish a global measuring procedure, including each component in the chain: Portable set + specific test signal + associated headphone or earphone. The standard is split into two parts: - Part 1 deals with sets provided as a package equipment by the manufacturer. In this case, "Personal music players" means the association of one set (compact cassette player, FM radio receiver, digital media player, streaming audio player…) with supplied headphones or earphones. - Part 2 gives guidelines to associate portable audio sets (FM radio receiver, digital media player, streaming audio player…) with headphones or earphones provided separately by any source. And the package sets with standardised connectors or interfaces between the two allowing to combine components of different manufacturers or different design.
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IEC 62459:2010(E) applies to the suspension parts of electroacoustic transducers (for example, loudspeakers). It defines the parameters and measurement method to determine the properties of suspension parts like spiders, surrounds, diaphragms or cones before being assembled in the transducer. The measurement results are needed for engineering design purposes and for quality control. Furthermore, this method is intended to improve the correlation of measurements between suspension-part manufacturers and loudspeaker manufacturers. The measurement methods provide parameters based on linear and nonlinear modelling of the suspension part and uses both static and dynamic techniques. It cancels and replaces IEC/PAS 62459 published in 2006. It constitutes a technical revision. The main changes are: - descriptions of the methods of measurement are adjusted to the state of the technology; - addition of Clauses 5 to 13; - integration of Annex A in the main body of the standard; - overall textual review.
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IEC 62458:2010(E) applies to transducers such as loudspeaker drive units, loudspeaker systems, headphones, micro-speakers, shakers and other actuators using either an electro-dynamical or electro-magnetic motor coupled with a mechanical suspension. The large signal behaviour of the transducer is modelled by a lumped parameter model considering dominant nonlinearities such as force factor, stiffness and inductance. It defines the basic terms and parameters of the model, the methods of measurements and the way the results should be reported. It cancels and replaces IEC/PAS 62458 published in 2006. It constitutes a technical revision. The main changes are: - descriptions of the methods of measurement are adjusted to the state of the technology; - addition of Clauses 4 to 15; - integration of Annex A in the main body of the standard; - overall textual review.
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IEC 60268-7:2010(E), is applicable to headphones, headsets, earphones and earsets, intended to be used on, or in, the human ear. It also applies to equipment, such as pre-amplifiers, passive networks and power supplies which form an integral part of the headphone system. It specifies the characteristics which should be included by the manufacturer in specifications, and relevant methods of measurement. It includes a classification of the different types of earphone, mainly characterized by the way in which the transducer is coupled acoustically to the ear, and a classification code which may also be used for marking. cancels and replaces the second edition published in 1996, and constitutes a technical revision. This edition contains the following changes: - clause/subclause renumbering in accordance with ISO/IEC Directives, Part 2; - addition of a measurement system using HATS; - addition of details on pinna simulators for high measurement reproducibility, see Annex A.
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The scope of this European Standard is to set up a suitable measuring methodology allowing accurate measurement of the maximum sound pressure level produced by consumer's headphones and earphones when associated with personal music players. NOTE This standard does not apply to acoustically open or acoustically closed headphones associated with mains operated Hi-Fi home equipement nor does it apply to headphones for medical purposes (hard of hearing etc.) or to headphones or similar parts being part of active hearing protection systems. Other requirements for safety, e.g. for noise protection in offices and industry are not affected by this standard. Requested features: The method should be reproducible and easily applicable to every type and shape of headphone or earphone available on the market (good mechanical adaptability). As safety and health are addressed, the method should faithfully reflect the pressure level effective at the user's ear (good correlation with subjective tests) to support protection against excessive sound pressure from personal music players (the limits themselves are found in EN 60950-1:2006/A12:2011 and EN 60065:2002/A12:2011 respectively). And finally, it is desirable to establish a global measuring procedure, including each component in the chain: Portable set + specific test signal + associated headphone or earphone. The standard is split into two parts: Part 1 deals with sets provided as a package equipment by the manufacturer. In this case, "Personal music players" means the association of one set (compact cassette player, FM radio receiver, digital media player, streaming audio player…) with supplied headphones or earphones. Part 2 gives guidelines to associate portable audio sets (FM radio receiver, digital media player, streaming audio player…) with headphones or earphones provided separately by any source. And the package sets with standardised connectors between the two allowing to combine components of different manufacturers or different design.
- Standard10 pagesEnglish languagesale 10% offe-Library read for1 day