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aspect ratio nightmare

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Steve Stokes
aspect ratio nightmare
on Nov 1, 2009 at 12:27:43 am

I am having some pretty extreme issues with aspect ratios. Can someone tell me why DV has a different aspect ratio than regular NTSC and how do you deal with this when making videos for TV with a DV cam? i.e. 3:2 vs 4:3. -- 720x480 640x480 -- What is the meaning of this?

Furthermore, does DV have a special aspect ratio for 16:9?


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Tom Wolsky
Re: aspect ratio nightmare
on Nov 1, 2009 at 2:34:22 am

Because DV works with a different pixel aspect ratio. This is really basic stuff and is readily available with a web search. NTSC is not 640x480 BTW. It's 720x486 and uses the same pixel aspect as DV. Yes, anamorphic uses a different aspect aspect ratio as well.


All the best,

Tom

Class on Demand DVDs "Complete Training for FCP7," "Basic Training for FCS" and "Final Cut Express Made Easy"
Author: "Final Cut Pro 5 Editing Essentials" and "Final Cut Express 4 Editing Workshop"


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Rafael Amador
Re: aspect ratio nightmare
on Nov 1, 2009 at 2:58:32 pm

Hi Steve,
Don't get mixed up with the "3x2".
As Tom say, you have two sizes: 720x486 and 720x480.
"3x2" is just to call the 720x480 size.
720 divided by 480 = 3/2

Those 720x486 or 720x480 pixels can be 4x3 or Anamorphic (16x9).
3x2 is noting related with the pixels aspect.
I think that this term just create confusion.
Rafael


http://www.nagavideo.com


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