REC.709 matrix

[skaven65536]

Hello, I need to add REC.709 matrix in my program, I know, that it is implemented in AS. Anyone knows, what matrix is used for convertions, using this table?
I've found only such formulas:
http://www.mathworks.com/access/helpdesk/help/toolbox/vipblks/index.html?/access/helpdesk/help/toolbox/vipblks/ref/colorspaceconversion.html
Is it any difference between R' and R, for example?
Thanks!

[IanB]

Rec.601 Kr=0.299, Kg=0.587, Kb=0.114
Rec.709 Kr=0.2125, Kg=0.7154, Kb=0.0721Also see http://avisynth.org/ColorConversions for a general derivation of the various to and from formulae

[hanfrunz]

Hello skaven65536,

read this (http://www.poynton.com/PDFs/YUV_and_luminance_harmful.pdf) about Y' and Y notation:

and that (http://www.poynton.com/notes/short_subjects/video/YCbCr_to_RGB) about Converting Y'CbCr to R'G'B'.

hanfrunz