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Aspect ratio situation, simple math question!!!

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Bosco Mattel
Aspect ratio situation, simple math question!!!
on Nov 18, 2013 at 6:23:42 pm

Hi there.

I have a porblem with some footage, the client filmed in Red cam 5K , 5120X2700 which is a 1.9:1 aspect ratio I think, and when they pass me the footage proxies they convert the 5120X2700 1.9:1 aspect ratio to a 1920x1080 16:9, so the proxies have a black letter box. :S
The final video needs to be 16:9 without letter boxes, the question is WHATS THE EXACT % OF SCALE I need to add in AE to eliminate those letter boxes?

Thank you very much!!


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Dave LaRonde
Re: Aspect ratio situation, simple math question!!!
on Nov 18, 2013 at 6:40:08 pm

Let's start with a basic question, one that drives most of the subsequent considerations: what do you have to DELIVER?

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Bosco Mattel
Re: Aspect ratio situation, simple math question!!!
on Nov 18, 2013 at 7:25:29 pm

Hi Dave
I need to deliver a 1080p videoclip. 16:9

Thank you very much


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Walter Soyka
Re: Aspect ratio situation, simple math question!!!
on Nov 18, 2013 at 7:54:18 pm

[Bosco Mattel] "The final video needs to be 16:9 without letter boxes, the question is WHATS THE EXACT % OF SCALE I need to add in AE to eliminate those letter boxes?"

My back-of-the-napkin math suggests 106.7194%. Of course, this means you'll be center-cutting, thus losing some of the frame on the edges -- 64-65 pixels on each side.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Bosco Mattel
Re: Aspect ratio situation, simple math question!!!
on Nov 18, 2013 at 10:10:32 pm

THANKS


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Bosco Mattel
Re: Aspect ratio situation, simple math question!!!
on Nov 18, 2013 at 10:09:04 pm

SOLVED, THANKS !

1920 / 5120 = 0.375
0.375 * 2700 = 1012.5
1080 / 1012.5 = 1.06666666666667

= 106.67%


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Walter Soyka
Re: Aspect ratio situation, simple math question!!!
on Nov 19, 2013 at 2:15:11 pm

In case you are curious why we got different results, I rounded the 1012.5 down to a whole 1012 before scaling up.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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