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IEC 62489-1 : 1.2

IEC 62489-1 : 1.2

ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 1: METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SYSTEM COMPONENTS

International Electrotechnical Committee

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Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Rated values
5 Amplifiers
6 Microphones
7 Other components
8 Measurement uncertainty
9 Neck loops
10 Monitoring devices
Annex A (informative) - Automatic gain control and
        compression
Annex B (informative) - Loop conductors and some
        typical impedance values
Annex C (informative) - Microphones
Annex D (informative) - Neck loops
Annex E (normative) - Test jig for measuring the performance
        of neck loops
Annex F(normative) - Specifications for loop listeners and
       assistive listening devices (ALDs)
Bibliography

Abstract

Pertains to the components of audio-frequency induction-loop systems for assisted hearing.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 29

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