I.S. EN IEC 60268-16:2020
Current
The latest, up-to-date edition.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2020)
Hardcopy , PDF
English
01-12-2020
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Description of the STI model
5 Direct method of measuring STI – User guidance
6 Indirect method of measuring STI (impulse response) – User guidance
7 Limitations of the STI model
8 Measurement procedures, post-processing of data and applications
9 Use of the STI as a design prediction tool
Annex A (informative) The basis of the STI concept
Annex B (normative) STIPA method
Annex C (normative) Verification of STI measuring devices
Annex D (informative) Use of STI measuring devices
Annex E (informative) Qualification of the STI and relationships with other speech
intelligibility measures
Annex F (informative) Nominal qualification bands for STI
Annex G (informative) Examples of STI qualification bands and typical applications
Annex H (informative) Non-native listeners
Annex I (informative) Effect of age-related hearing loss and hearing impairment on
speech intelligibility
Annex J (normative) Setting and adjustment of STI test signal level
Annex K (informative) Example test report sheet for STI measurements
Annex L (normative) Prediction of the STI using statistical methods..
Annex M (informative) Adjustments to STI data to simulate alternative ambient noise
spectra and different speech levels
Annex N (informative) Other methods of determining speech intelligibility
Annex O (informative) Alternative direct methods for measuring Full STI
Annex P (normative) Information to be provided by manufacturers.
Annex Q (informative) Effect of uncertainties of selected parameters on STI
Bibliography
This part of IEC 60268 defines the STI model, test signals, measurement and prediction methods.
Committee |
TC 100
|
DocumentType |
Standard
|
ISBN |
978-2-8322-8862-7
|
Pages |
234
|
ProductNote |
THIS STANDARD IS ALSO REFERES ANSI S3.5- The date of any NSAIprevious adoption may not matchthe date of its original CEN/CENELEC document.
|
PublisherName |
National Standards Authority of Ireland
|
Status |
Current
|
Supersedes |
Standards | Relationship |
EN IEC 60268-16:2020 | Identical |
IEC 60268-16:2020 | Identical |
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