IEC 60318-5:2006 

Electroacoustics - Simulators of human head and ear - Part 5: 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

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Abstract

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.

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Additional information

Publication typeInternational Standard
Publication date2006-08-16
Edition1.0
Available language(s)English/French, Spanish
TC/SCTC 29 - Electroacousticsrss
ICS17.140.50 - Electroacoustics
Stability date  2020
Pages27
File size509 KB

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