The entropy coding used in the various codecs would not result in 2x - it would be more than 1x, though. -----Original Message----- From: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] On Behalf Of Manfredi, Albert E Sent: Sunday, December 19, 2004 1:30 PM The 4:4:4 might be a problem. If I have it right, you'd be dedicating twice as much space to chroma as you use for luminence, which might put you over the edge. Not to mention the consumer decoder compatibility issue. ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.