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DVD encoding - anamorphic, letterbox isues

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trancemuter
DVD encoding - anamorphic, letterbox isues
on Jul 27, 2007 at 1:09:44 am

I have a project with a mixed footage of 720X480 and letterboxed 720X480 but not anamorphic (masked in the camera). What is the best way to make it display letterboxed on a regular tv screen and full screen on a wide screen tv or computer screen with 16:9 aspect ratio. The director wants to letterbox he whole project. We are doing it in Final Cut and DVD Studio Pro.

We where thinking that maybe the best way is to crop to 16:9 then stretch it to 720X480 and then author it as anamorphic on the DVD. Is there any better way to do this? Are there any issues about anamorphic authoring and playback?

Our goal is to be able to play full screen on a wide screen tv or computer without a black frame around it, as it would be the case if we leave it in native 4:3 and mask it to 16:9. If we are doing it native 16:9 wide format what is the best size to use in pixels. I tested a hollywood movie DVD and made a screen grab and the size was 853X405 pixels in the right aspect ratio. Can I just output and author the whole project in this size? Will it automatically letterbox it on a regular 4:3 TV?

Thanks for any advice.

David



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trancemuter
Re: DVD encoding - anamorphic, letterbox isues
on Jul 27, 2007 at 1:40:35 am

Correction: the grabbed dvd frame was 853X480 which when it's resized constraining the proportions can be 720x405.



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Bouke Vahl
Re: DVD encoding - anamorphic, letterbox isues
on Jul 27, 2007 at 1:56:27 pm

This is NOT correct. DVD is max 720 x 480 (in NTSC)
Perhaps your application made a screenshot of a window that was scaled bigger, but this is not the native MpegII resolution.

You can go lower, but not higher than 720 x 480



Bouke

http://www.videoToolShed.com
smart tools for video pro's


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Bill Stephan
Re: DVD encoding - anamorphic, letterbox isues
on Jul 30, 2007 at 6:50:26 pm

You want to resize from 853x480 to 720x480 without constraining proportions. That will squish the image horizontally, making it anamorphic.

Bill Stephan
Senior Editor/DVD Author
USA Studios
New York City


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Bouke Vahl
Re: DVD encoding - anamorphic, letterbox isues
on Jul 27, 2007 at 1:55:10 pm

The upscaling is the best you can do.
Some widescreen sets will do the scaling based on the black (if set in ('the horror, the horror') auto aspect ratio, but you can't count on that.
Nasty side effect is that the image quality will suffer as you have 1/3 less data to start with....



Bouke

http://www.videoToolShed.com
smart tools for video pro's


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