International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 60268-16:2003
Title Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index
Project Number 15243
Abstract/Scope defines objective methods for rating the transmission quality of speech with respect to intelligibility. The four methods, which are closely related, are referred to as the STI, the STITEL, the STIPA and the RASTI methods (see Clause 3).


Current Stage code 6060
Current Stage code date 2003-07-10
Current Stage code deadline 2004-04-01
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 100
Reference Document IEC 60268-16:2003 (EQV)
ICS 33.160.01 - Audio, video and audiovisual systems in general
Keywords Sound system equipment; Intelligibility; Speech transmission index
Note Superseded by EN 60268-16:2011
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2003-07-10 2004-04-01 export to doc file  EN
5099 2003-07-01 2003-09-01  
5061 2003-05-22 2003-07-01  
5020 2003-02-14 2003-04-18  
4099 2002-11-29 2003-02-28  
4020 2002-06-07 2002-11-08  
3099 2002-06-04 2002-06-07  

Implementation Dates

date of Ratification (DOR) (1) 2003-07-01
date of Availability (DAV) (2) 2003-07-10
date of Announcement (DOA) (3) 2003-10-01
date of Publication (DOP) (4) 2004-04-01
date of Withdrawal (DOW) (5) 2006-07-01


Supersedes EN 60268-16:1998
Superseded by EN 60268-16:2011
Normative reference (6) ITU-T Recommendation P.51:1996
ISO/TR 4870:1991

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.