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About This Item

 

Full Description

BS EN 60118-0:2015 gives recommendations for the measurement of the performance characteristics of air conduction hearing aids based on a free field technique and measured with an acoustic coupler.

This part of IEC 60118 is applicable to the measurement and evaluation of the electroacoustical characteristics of hearing aids, for example for type testing and manufacturer data sheets.

The test results obtained by the methods specified in this part of IEC 60118 will express the performance under conditions of the test and may deviate substantially from the performance of the hearing aid under actual conditions of use.

This part of IEC 60118 uses an acoustic coupler according to IEC 60318-5 which is only intended for loading a hearing aid with a specified acoustic impedance and is not intended to model the sound pressure in a person's ear. The use of this acoustic coupler will yield different results from those obtained using the occluded ear simulator of IEC 60318-4 as used in former editions of IEC 60118-0.

For the measurement of the performance characteristics of hearing aids for simulated in situ working conditions, IEC 60118-8 can be used. For measurement of hearing aids under typical user settings and using a speech-like signal, IEC 60118-15 can be used.

For the measurement of the performance characteristics of hearing aids for production, supply and delivery quality-assurance purposes, IEC 60118-7 can be used. The frequency range has been extended to 8 kHz in this part of IEC 60118 as opposed to 5 kHz in IEC 60118-7.

Though the number of measurements covered by this part of IEC 60118 is limited, it is not intended that all measurements described herein are mandatory.

In cases of custom-made in-the-ear instruments, the data supplied by the manufacturer applies only to the particular hearing aid being tested.


Cross References:
IEC 60318-5
ISO 3
EN 60318-5
IEC 60068
IEC 60118-7:2005
IEC 60118-8:2005
IEC 60118-12
IEC 60118-15
IEC 60318-1
IEC 60118-15
IEC 60318-4:2010
EN 60068
EN 60118-7:2005
EN 60118-8:2005
EN 60118-12
EN 60118-15
EN 60318-1
EN 60118-15
EN 60318-4:2010
ANSI S3.22
ISO/TR 25417:2007
ISO/IEC Guide 98-3:2008


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN 60118-0:2015

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    Electroacoustics. Hearing aids. Measurement of the performance characteristics of hearing aids

    • Most Recent
  2. BS EN 60118-2:1996


    Hearing aids. Methods for measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits

    • Historical Version
  3. BS EN 60118-1:1995


    Hearing aids. Hearing aids with induction pick-up coil input

    • Historical Version
  4. BS EN 60118-0:1993


    Hearing aids. Methods for measurement of electroacoustical characteristics

    • Historical Version