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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    • Standard
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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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    • Standard
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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 ...
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    • Standard
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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 ...
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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 microp...view more

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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.

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    • Standard
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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 microp...
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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 H...
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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.
...
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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 n...
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    • Standard
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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 nec...
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    • Standard
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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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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 ...
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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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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 pub...view more

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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 d...view more

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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 me...
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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 pub...view more

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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 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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      14 pages
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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 a...
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    • Standard
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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 r...
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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 g...view more

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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 ed...view more

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    • Standard
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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 t...view more

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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 on...view more

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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 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 bu...view more

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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 p...view more

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IEC 60317-47:2013 specifies the requirements of enamelled rectangular copper winding wire of class 240 with a sole coating of aromatic polyimide resin. The range of nominal conductor dimensions covered by this standard is:
- width: min. 2,0 mm max. 16,0 mm;
- thickness: min. 0,80 mm max. 5,60 mm. Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of width and thickness, as well as the specified width/thickne...
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    • Standard
      17 pages
      English and French language

This part of the IEC 61094 series is applicable to working standard microphones meeting the requirements of IEC 61094-4. It describes methods of determining the free-field sensitivity by comparison with a laboratory standard microphone or working standard microphone (where applicable) that has been calibrated according to either:
– IEC 61094-3,
– IEC 61094-2 or IEC 61094-5, and where factors given in IEC/TS 61094-7 have been applied,
– IEC 61094-6,
– this part of IEC 61094.
Methods performe...
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IEC/TR 61200-52:2013 is Technical Report which serves as a supplement to IEC 60364-5-52:2009 and explains the rules so as to facilitate the design, selection, erection and maintenance of wiring systems. It follows the numbering of that standard. This technical report is written for everyone concerned with the design, the selection and supply of equipment, as well as the persons who install, maintain and use electrical installations. This second edition cancels and replaces the first edition, pub...view more

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    • Technical report
      25 pages
      English and French language

This part of the IEC 61094 series is applicable to working standard microphones meeting the requirements of IEC 61094-4. It describes methods of determining the free-field sensitivity by comparison with a laboratory standard microphone or working standard microphone (where applicable) that has been calibrated according to either:
– IEC 61094-3,
– IEC 61094-2 or IEC 61094-5, and where factors given in IEC/TS 61094-7 have been applied,
– IEC 61094-6,
– this part of IEC 61094.
Methods performe...
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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 ai...
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    • Standard
      18 pages
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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 repr...
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This International Standard 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 as shown in Figure 1. The standard defines the basic terms and parameters...view more

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This International Standard 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 ...view more

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This part of IEC 60268, 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 does not deal with: a) safety, for which reference should be made to IEC 60065 or another appropriate standard; b) the characteristics of microphones of headsets, for which reference should be made to IEC 60268-4; c) earph...view more

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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 manufactur...view more

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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 measurement...view more

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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 w...view more

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This International Standard specifies the requirements for a digital loudspeaker interface based on the IEC 60958 series of standards and the MIDI specification. It maximizes flexibility and value by combining these previously separate standards. Together, the two standards provide a simple and flexible digital interface for loudspeakers. Examples for applications of the interface can be found in Annex C of this standard.

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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 measurement...view more

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    • Standard
      23 pages
      English language