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Reference EN 61603-7:2003
Title Transmission systems for audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications
Project Number 15021
Abstract/Scope Describes the characteristics of a digital multiple channel, multiple carrier audio transmission system as an extension to conference interpretation or similar systems using the frequency ranges 45 kHz to 1 MHz and 2 MHz to 6 MHz.


Current Stage code 6060
Current Stage code date 2003-10-24
Current Stage code deadline 2004-07-01
Deadline date for vote  


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IEC Technical Body IEC/TC 100
Reference Document IEC 61603-7:2003 (EQV)
ICS 33.040.20 - Transmission systems
33.160.99 - Other audio, video and audiovisual equipment
Keywords Audio; Video; Transmission; Infra-red radiation; Conference
Note Supersedes EN 61603-3:1998 partially (Subclause 2.6.2)
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2003-10-24 2004-07-01 export to doc file  EN
5099 2003-10-01 2004-02-01  
5061 2003-08-25 2003-10-01  
5020 2003-02-14 2003-04-18  
4099 2003-02-11 2003-02-14  
4020 2002-01-11 2002-06-14  
3099 2002-01-08 2002-01-11  

Implementation Dates

date of Ratification (DOR) (1) 2003-10-01
date of Availability (DAV) (2) 2003-10-24
date of Announcement (DOA) (3) 2004-01-01
date of Publication (DOP) (4) 2004-07-01
date of Withdrawal (DOW) (5) 2006-10-01


Superseded by  
Normative reference (6) ISO/IEC 7498-1:1994
EN 61603-1:1997
EN 61603-3:1998
EN 61920:2004

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of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn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