Wikipedia: History of SECAM

Difference (from prior major revision) (author diff)

Changed: 3c3,5

It was developed for the same purpose as PAL, but uses a different (and many would argue inferior) mechanism to do so. It was introduced in France in 1967, where it is still used; it has also been adopted in many former French colonies, as well as parts of Eastern Europe (Bulgaria, Yugoslavia) and the former Soviet Union.

It was developed for the same purpose as PAL, but uses a different (and many would argue inferior) mechanism to do so. R-Y and B-Y information is transmitted in alternate lines, and a video line store is used to combine the signals together. This means that the vertical colour resolution is halved relative to PAL and NTSC.

It was introduced in France in 1967, where it is still used; it has also been adopted in many former French colonies, as well as parts of Eastern Europe (Bulgaria, Yugoslavia) and the former Soviet Union.

Added: 10a13,14

Done: will this do? -- The Anome

Added: 11a16,18

External reference:
* http://www.nmia.com/~roberts/vidstd

	Revision 7 . . November 5, 2001 6:07 am by The Anome [added explanation of 'memory']
	Revision 6 . . (edit) November 5, 2001 5:23 am by The Anome
	Revision 2 . . November 4, 2001 12:46 pm by Simon J Kissane [more info on SECAM]