Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for recording of speech material
5 Validation of speech material recordings
6 Requirements for speech audiometry
7 Ambient sound pressure levels in test room for
   speech audiometry
8 Sound field speech audiometry
9 Preparation and instruction of test subject
10 Subject's response mode
11 Determination of speech detection threshold level
12 Determination of speech recognition threshold level
13 Determination of speech recognition scores
14 Contralateral masking
15 Speech audiometry with competing sound
16 Format of speech audiogram
17 Measurement uncertainty
18 Maintenance and calibration of equipment
Annex A (informative) - Example of speech materials
Annex B (informative) - Examples of competing sound conditions
Annex C (informative) - Typical results
Annex D (informative) - Optimization of perceptual balance
        of test lists
Annex E (informative) - Measurement uncertainty
Bibliography

Abstract

Describes basic methods for speech recognition tests for audiological applications.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 43
Supersedes	ISO/DIS 8253-3 : 60.00 (2012)