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Dimensions keep changing??? It is breaking my brain!!!!

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Natasha O'cconor
Dimensions keep changing??? It is breaking my brain!!!!
on Jun 4, 2008 at 12:31:57 am

I have a clip and I go to the "get info" box and it reads that the dimensions are 720x576.
I then go to QT and look in the info material box there and my dimensions are now 1024x576? What does this mean?





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Rich Rubasch
Re: Dimensions keep changing??? It is breaking my brain!!!!
on Jun 4, 2008 at 2:40:53 am

I think you are seeing the actual dimensions of the clip (720 x 576) in the get info box, and in QT you are seeing the DISPLAY dimensions, 1024 x 576. Sounds like anamorphic footage. It is squeezed horizontally for capture, but would be displayed at the wider frame size for the correct aspect.

Rich Rubasch
Tilt Media



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Ben Waggoner
Re: Dimensions keep changing??? It is breaking my brain!!!!
on Jun 4, 2008 at 3:56:09 am

And in fact 1024x576 is the default display resolution for PAL 16:9 (720 * 1.7777 = 1024)

Ben Waggoner
Principal Video Strategist, Silverlight
Microsoft Corporation

Compression Blog: on10.net/blogs/benwagg/
Compression Classes at Stanford and PSU: on10.net/blogs/benwagg/21622/


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Natasha O'cconor
Re: Dimensions keep changing??? It is breaking my brain!!!!
on Jul 7, 2008 at 10:14:27 am

ok ok - So I am TRYING to export Mpeg 2s Multiplexed 720x576 16:9. Every-time I export I see the footage as 720x404? I am entering my works ads competition and their requirements are 720x576 16:9. I have tried everything and it is due now! Just have to get them in my midnight tonight. Somebody out there can put me straight again..?






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Brian Alexander
Re: Dimensions keep changing??? It is breaking my brain!!!!
on Mar 24, 2010 at 3:43:28 am

Did you ever find a solution to your problem? How did your submission go?

Here's what I'm seeing from this end (although it's a moot point); the 720 x 576 (1024 x 576) is a PAL based frame. The 720 x 404 sounds like a 16:9 letter-boxed image in a 720 x 480 NTSC frame.

Just thought I'd throw it out there.


--
Brian Alexander
Sr Video Engineer
Freeman AVS


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