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IEC 60318-5:2006 ED1

Electroacoustics - Simulators of human head and ear - Part 5: 2 cm<sup>3</sup> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
16 gush 2006

General information

60.60     16 gush 2006

IEC

TC 29

International Standard

17.140.50  

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Scope

Describes an acoustic coupler for loading an earphone or hearing aid with a specified acoustic impedance when determining its physical performance characteristics, in the frequency range 125 Hz to 8 kHz. It is suitable for air conduction hearing aids and earphones, coupled to the ear by means of ear inserts e.g. ear moulds or similar devices. The sound pressure developed by an earphone is not, in general, the same in the coupler as in a person's ear. However, it can be used as a simple and ready means for the exchange of specifications and of physical data on hearing aids and for the calibration of specified insert earphones used in audiometry. This first edition of IEC 60318-5 cancels and replaces IEC 60126:1973.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60126:1973 ED2

NOW

PUBLISHED
IEC 60318-5:2006 ED1
60.60 Standard published
16 gush 2006