[opendtv] Re: Redefining anamorphic
- From: "John Willkie" <johnwillkie@xxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 5 Mar 2008 12:14:14 -0800
Here! Here! And, while we're at it, let's get rid of non-integer frame
rates and end hunger in the world, too!
John Willkie
-----Mensaje original-----
De: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] En
nombre de Craig Birkmaier
Enviado el: Wednesday, March 05, 2008 10:42 AM
Para: opendtv@xxxxxxxxxxxxx
Asunto: [opendtv] Re: Redefining anamorphic
At 12:57 PM -0500 3/5/08, John Shutt wrote:
>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."
We agree. Anamorphic is really a term used to describe optic
according to Dictionary.com.
"Optics. having or producing unequal magnifications along two axes
perpendicular to each other."
What we are talking about here is square pixels versus non-square
pixels. Since all new displays are moving toward square pixels -
equal H & V resolution in the raster that is displayed - the real
issue here is the delivery 9encoding) of more information in one axis
than the other. At least with progressive scanning, we don;t need to
worry about the Kell Factor and other relics from our analog past.
Now if we could just get rid of interlace all together...
Regards
Craig
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