Thanks for the update, John.
Vegas appears not to include these codecs (YUV or Cinemax). I did a quick Google search – but not sure what is authentic or whether I have to buy one of these. I did read something about *.mfx being lossless. I know this is a container not a codec. Vegas 9.0 has this rendering option, but doesn’t say what the codec behind it is. I saw that the mfx HQ bitrate is 35 Mbs, which suggests that compression is minimal. I’m probably talking out of my hat as my knowledge is very limited! Anyway, would this be a viable option? Otherwise, where can I obtain the correct versions of YUV or Cinemax Codecs as you suggested?
Again, many thanks for all your input!
Terence