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ASA S3.55-2014/Part 5 /IEC 60318-5:2006 (MOD) (R2023)

American National Standard Electroacoustics - Simulators of Human Head and Ear - Part 5: 2 cm*2 Coupler for the Measurement of Hearing Aids and Earphones Coupled to the Ear by Means of Ear Inserts (a modified nationally adopted international standard)

standard by Acoustical Society of America Standards , 07/21/2014

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About This Item

 

Full Description

This part of ANSI/ASA S3.55 / IEC 60318 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 molds 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.
 

Product Details

Published:
07/21/2014
ANSI:
ANSI Approved
Number of Pages:
20
File Size:
1 file , 790 KB
Note:
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