[opendtv] Re: Redefining anamorphic

  • From: "John Shutt" <shuttj@xxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Wed, 5 Mar 2008 12:57:02 -0500

Craig,

To me, "anamorphic" has come to mean "full height widescreen" when a given frame could either be widescreen or standard aspect ratio.

All of the HD downsamples you describe are always 16:9, therefore I wouldn't call them "anamorphic."

John

----- Original Message ----- From: "Craig Birkmaier" <craig@xxxxxxxxx>

Good explanation John, but one caveat.

Much of the HD content we see today is ALSO anamorphic, just not the stuff that you broadcast using the ATSC standard. It is VERY common to resample 1920 x 1080 to 1440 x 1080 or even 1280 x 1080. And it is also common to resample 1280 x 720 to 960 x 720. This is all supported by the MPEG-2 standard.





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