SN EN 60268-16 : 2003
Current
The latest, up-to-date edition.
SOUND SYSTEM EQUIPMENT - PART 16: OBJECTIVE RATING OF SPEECH INTELLIGIBILITY BY SPEECH TRANSMISSION INDEX
12-01-2013
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Descriptions of the methods
4.1 General
4.2 The STI method
4.3 The STITEL method
4.4 The STIPA method
4.5 The RASTI method
4.6 Methods of measurement
5 Methods of determining intelligibility
5.1 Word tests
5.2 Modified rhyme tests
5.3 Speech intelligibility Index
5.4 Articulation loss of consonants
Annex A (normative) Speech transmission index (STI) and
revised (STI[r]) methods
A.1 Background
A.2 The STI method
A.3 The test signals
Annex B (informative) The STITEL method
Annex C (informative) The STIPA method
Annex D (informative) THe RASTI method
Annex E (informative) Qualification of the STI and relation
with some subjective intelligibility
measures
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography
Figures
Tables
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