[opendtv] Re: Chroma Formats, P versus I, and Resolution Issues

  • From: Jack Heneghan <opendtv@xxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Thu, 16 Dec 2004 23:46:18 -0700

Tom McMahon wrote:

>Note that the D-Cinema context has only one pass thru the following sequence:
>
>Master in 4:4:4, convert to 4:2:0, convert to compressed state, then 
>distribution, back to uncompressed state and back to 4:4:4 then
>display.
>
>If the application required more passes I might have a different opinion 
>
>  
>
For D-Cinema, why bother with the conversion and the compression? Ship 
it as 4:4:4 and display it as such.   For D-Cinema, bandwidth and data 
storage should not be an issue.

Jack Heneghan
 
 
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