[opendtv] Re: Definition of Anamorphic
- From: Tom Barry <trbarry@xxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 07 Oct 2009 15:47:35 -0400
If you rip a dvd it will probably be encoded at 720. I wrote a lot of
open source Avisynth filters using DVD's as test material and 720
overwhelmingly seemed the common width.
- Tom
Mark Schubin wrote:
> Kilroy Hughes wrote:
>> Just to complicate things ...
>> Everyone is using "720" as the width, but the display width and
>> 4:3/16:9 display aperture is actually supposed to be 704 (implying a
>> Sample Aspect Ratio in an MPEG codec too dumb to specify it as 11/10
>> H/W, 1.10), and it can be encoded at 704 or 720.
> No question that it's 704 in ATSC (and probably some other systems),
> but there are also 720, 708, and other values.
>
> TTFN,
> Mark
>
>
>
>
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