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>BS EN 60318-5:2006 Electroacoustics. Simulators of human head and ear 2 cm<sup>3</sup> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
sklademVydáno: 2006-10-31
BS EN 60318-5:2006 Electroacoustics. Simulators of human head and ear 2 cm<sup>3</sup> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

BS EN 60318-5:2006

Electroacoustics. Simulators of human head and ear 2 cm<sup>3</sup> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

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Označení normy:BS EN 60318-5:2006
Počet stran:18
Vydáno:2006-10-31
ISBN:0 580 49417 9
Status:Standard
DESCRIPTION

BS EN 60318-5:2006


This standard BS EN 60318-5:2006 Electroacoustics. Simulators of human head and ear is classified in these ICS categories:
  • 17.140.50 Electroacoustics
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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