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IEC 60118-1:1995+AMD1:1998 CSV ed3.1

Заменен
Hearing aids - Part 1: Hearing aids with induction pick-up coil input — 15 стр.
Specifies a method of determining the electroacoustic performance of hearing aids fitted with an induction pick-up coil and used in an audio-frequency magnetic field. The induction pick-up performance is measured in a loop simulating conditions of use in room applications. This consolidated version consists of the third edition (1995) and its amendment 1 (1998). Therefore, no need to order amendment in addition to this publication.
ICS
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры