AS 60118.1-2007

1 - AS 60118.1-2007 Hearing aids Part 1: Hearing aids with induction pick-up coil input
4 - PREFACE
5 - CONTENTS
7 - 1 Scope
7 - 2 Normative references
7 - 3 Definitions
8 - 4 Test conditions
8 - 4.1 General
8 - 4.2 Residual output level
8 - 4.3 Magnetic field source
9 - 5 Test procedure
9 - 5.1 Strength of magnetic field source
9 - 5.2 Locating the hearing aid for test
9 - 5.3 Normal operating conditions for the hearing aid
9 - 5.4 Basic frequency response
10 - 5.5 Frequency response with full- on gain control setting
10 - 5.6 Maximum magneto- acoustical sensitivity level at the reference test frequency
10 - 5.7 Effect of gain control position on frequency response
10 - 5.8 Harmonic distortion
11 - 6 Equivalent acoustic input

Adopts IEC 60118-1 to specify 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.

Originated as part of AS 1088-1971.
Previous edition AS 1088.1-1987.
Revised and redesignated as AS 60118.1-2007.