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Quick aspect ratio question need advice of what I am doing wrong

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jonathan young
Quick aspect ratio question need advice of what I am doing wrong
on Mar 4, 2013 at 1:01:02 pm

I have a client who wants 16:9 1290X720 and 16:9 720X480 both videos need to be compressed to mpg4 from a 1920X1080 video. When I compress the 480 video I am using 853X480 with a 16:9 anamorphic NTSC setting (which should make 720X480), however when I do that setting the video is compressed looking more strecthed compared to my 1280X720 mpg4 video.
Here is how it looks


I am using Apple Compressor


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Mark Spano
Re: Quick aspect ratio question need advice of what I am doing wrong
on Mar 4, 2013 at 7:36:13 pm

You're doubling up on the stretch. 720x480 with 16x9 PAR = 853x480 in square pixel land. So encode for either 853x480 square pixels, or 720x480 with 16x9 pixel aspect. What you write above is encoding 853x480 with 16x9 pixel aspect - this is doubling the stretch.



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