IEC 61603-7 Ed. 1.0現行
Transmission systems of audio and/or video and related signals using infra-red radiation Part 7: Digital audio signals for conference and similar applications
出版：International Electrotechnical Committee
專家解讀視頻
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.
OVE/ONORM EN 61603-7:2004 - Identical
NEN EN IEC 61603-7:2003 - Identical
PN EN 61603-7:2005 - Identical
I.S. EN 61603-7:2003 - Identical
UNE EN 61603-7:2005 - Identical
NF EN 61603-7:2005 - Identical
SS EN 61603-7 Ed. 1 (2004) - Identical
DIN EN 61603-7 (2004-04) - Identical
BS EN 61603-7:2003 - Identical
SN EN 61603-7:2003 - Identical
CEI EN 61603-7 Ed. 1 (2004) - Identical
