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



Reference EN 61937-4:2003
Title Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 4: Non-linear PCM bitstreams according to the MPEG audio format
Project Number 15083
Abstract/Scope specifies the method for the digital audio interface specified in EN 60958 to convey non-linear PCM bitstreams encoded in accordance with the MPEG audio.


Current Stage code 6060
Current Stage code date 2003-06-12
Current Stage code deadline 2004-03-01
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 100
Reference Document IEC 61937-4:2003 (EQV)
ICS 33.160.30 - Audio systems
Keywords Digital audio; Non-linear; PCM encoded; Bitstream; MPEG audio format
Note EN 61937 series supersedes EN 61937:2000
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2003-06-12 2004-03-01 export to doc file  EN  FR
5099 2003-06-01 2003-10-01  
5061 2003-04-29 2003-06-01  
5020 2003-02-07 2003-04-11  
4099 2003-02-04 2003-02-07  
4020 2002-02-08 2002-07-12  
3099 2002-02-05 2002-02-08  

Implementation Dates

date of Ratification (DOR) (1) 2003-06-01
date of Availability (DAV) (2) 2003-06-12
date of Announcement (DOA) (3) 2003-09-01
date of Publication (DOP) (4) 2004-03-01
date of Withdrawal (DOW) (5) 2006-06-01


Supersedes EN 61937:2000
Superseded by  
Normative reference (6) EN 60958-1:2000
EN 61937-1:2003

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of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn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