AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1997

Publisher

Comitato Elettrotecnico Italiano

FOREWORD
INTRODUCTION
1. Scope and object
2. Normative references
3. Definitions
4. General requirements
5. Minimum requirements for specific types of audiometers
6. Reference conditions for specification, testing and calibration
    Of speech audiometers
7. Signal level indicator
8. Output level control for speech signals
9. Output sound-pressure level and vibratory force level
10. Frequency response
11. Harmonic distortion
12. Signal-to-noise ratio
13. Masking sound
14. Monitor earphone or loudspeaker
15. Talkback system
16. Interrupter switches
17. Marking and instruction manual
Annex A (Informative) - correction figures for free
                        field equivalent output for certain types
                        of commonly used earphones
ANNEX ZA (Normative) - normative references
                       to international publications
                       with their corresponding
                       european publications

Describes the requirements for audiometers or parts thereof designed to provide a means of presenting speech sounds to a subject in a standardized manner, for example for the measurement of speech recognition.

Committee	CT 29/87
DevelopmentNote	Classificazione CEI 29-31 (09/2001) To be used in conjunction with CEI EN 60645-1:1995. (06/2005)
DocumentType	Standard
Pages	22
PublisherName	Comitato Elettrotecnico Italiano
Status	Current

Standards	Relationship
IEC 60645-2:1993	Identical
EN 60645-2:1997	Identical

EN 60645-1:2017	Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
IEC 60373:1990	Mechanical coupler for measurements on bone vibrators
ISO 266:1997	Acoustics — Preferred frequencies
IEC 60645-1:2017	Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
IEC 60268-7:2010	Sound system equipment - Part 7: Headphones and earphones
HD 590 : 200S1	MECHANICAL COUPLER FOR MEASUREMENTS ON BONE VIBRATORS
IEC 60318:1970	An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry
IEC 60225:1966	Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations
EN 60651:1994/A2:2001	SOUND LEVEL METERS (IEC 60651:1979/A2:2000)
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV	Sound level meters
HD 483.17 : 200S1	SOUND SYSTEM EQUIPMENT - STANDARD VOLUME INDICATORS

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CEI EN 60645-2 : 1997

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

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