DVCPro50 squished by compressor mpeg4

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DVCPro50 squished by compressor mpeg4
by Jonathon Fulton on Oct 1, 2008 at 7:42:49 pm

I have some footage shot on an HVX200 - DVCPro 50 at 480i. I exported from Final Cut Pro 6.04 using export as QT movie. Then opened that in Compressor.
I tried Compressor setting of Mpeg-4 but the footage has come out squished.
Why would that be when the frame size is set to 100% of source and the pixel aspect is set to default for size?

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Re: DVCPro50 squished by compressor mpeg4
by Daniel Low on Oct 1, 2008 at 9:01:01 pm

DV uses non-square pixels, MP4 uses square pixels. Solution, set the output frame size aspect ratio to match the source aspect ratio, not the source frame size,
I.e. 720x480 non-square source = 640x480 square output.

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