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BSI BS EN 60268-16:2011

Sound system equipment -- Objective rating of speech intelligibility by speech transmission index
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BSI BS EN 60268-16:2011

Sound system equipment -- Objective rating of speech intelligibility by speech transmission index

PUBLISH DATE 2011
PAGES 78
BSI BS EN 60268-16:2011

This part of IEC 60268 specifies objective methods for rating the transmission quality of speech with respect to intelligibility.

The objective of this standard is to provide a comprehensive manual for all types of users of the STI method in the fields of audio, communications and acousti cs.

This standard does not provide STI criteria for certification of transmission channels (e.g . criteria for a voice-alarm system).

Three methods are presented, which are closely related and are referred to as STI, STIPA, and STITEL. The first two methods are intended for rating speech transmission performance with or without sound systems. The STITEL method has more restricted uses.

NOTE None of the methods are suitable for the measurement and assessment of speech privacy and speech masking systems , as STI has not been validated for conditions that represent speech privacy applications [1] 1.

The following information is included:

  • measurement techniques ;

  • prediction techniques.

SDO BSI: British Standards Institution
Document Number EN 60268-16
Publication Date Sept. 30, 2011
Language en - English
Page Count 78
Revision Level
Supercedes
Committee EPL/100
Publish Date Document Id Type View
Sept. 30, 2011 BS EN 60268-16:2011 Revision
Aug. 1, 2003 BS EN 60268-16:2003 Revision
July 15, 1998 BS EN 60268-16:1998 Revision