BS EN 61938:1997被替代
Audio, video and audiovisual systems. Interconnections and matching values. Preferred matching values of analogue signals
出版：British Standards Institution
專家解讀視頻
Establishes electrical matching values for the interconnection of analogue signals for audio, video and AV system equipment, and includes audio but not video signals for broadcast and similar use.
? British Standards Institution 2013
SS EN 61938 Ed. 1 (1997) - Identical
I.S. EN 61938:1999 - Identical
NF EN 61938:1997 - Identical
IEC 61938 Ed. 1.0 - Identical
NBN EN 61938:1997 - Identical
DIN EN 61938 (1997-07) - Identical
SN EN 61938:1997 - Identical
