At 10:06 PM -0700 12/15/04, Terry Harvey wrote: >Tom, >I think the merits of 720p50 outweighs any consideration of an interlaced >standard. 720p (50 or 60) provides the best balance between temporal and >spatial resolution. And it is relatively sane as far as bandwidth is >concerned. > >24p should be only relegated to Hollywood where the producers there like >and are accustomed to film judder. (I know, I know... 24p is to facilitate >program production for Europe and America etc etc.) > >1080p is nice but the bandwidth requirements are crazy for everyday broadcast. > >I will concede that 480i to 720p on Fox looks awful. But how about 720p >capture resizing to 480p for transmission and resize to 720p for display? >This would produce a nice display, save bandwidth and would keep both the >bean counters and the engineers relatively happy: it isn't a perfect world! >Imagine with WM10... seven HD like program streams per ATSC OTA multiplex! Looks like Terry get's it. Oversample in production, Then resample enough to get rid of any remaining entropy and encode at HIGH QUALITY for emission. IF the receiver has high quality samples to work with, upscaling by 25 -50% is not an issue. Regards Craig ---------------------------------------------------------------------- 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.