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Converting m4v to edit in final cut pro

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Lauren Gray
Converting m4v to edit in final cut pro
on Oct 24, 2012 at 4:12:15 am

Hello all. I ripped a home video DVD through HandBrake and got an m4v in 640x480. I tried converting it to a Final Cut Pro 7 friendly format in Quicktime, but kept getting error messages each time. So I tried converting it to an Apple Pro Res and an H.264 in Compressor, and could edit in Final Cut, but it keeps adjusting my aspect ratio to 704x480 and making everything looked stretched. I finally got an .mov in 640x480, but when I drag it into my timeline in Final Cut, it wants to adjust the aspect ratio to 704x480. Why am I getting this strange aspect ratio, what am I doing wrong, and what should I do to get a normal aspect ratio?


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Craig Seeman
Re: Converting m4v to edit in final cut pro
on Oct 27, 2012 at 1:49:50 pm

I'll start off slightly off topic but if this is a typical workflow you might be better off with FCPX (or Premiere Pro?). They can handle .m4v and .mp4 without any conversion assuming your computer is up to it.

If you're coming from DVD, your aspect ratio should be 720x480 which may either be 4:3 or 16:9 anamorphic pixels. I believe Handbrake should target 720x406 for 16x9 or maybe 854x480. it does allow you control the aspect ratio though.

As I mentioned DVD can be either 4:3 or 16:9 but without you providing that information I may be making wrong assumptions. 640x480 would be 4:3.

Please read the Sticky post at the top of this forum. With proper information I'd have an accurate answer for you faster than going back and forth for days.



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Michel Cachor
Re: Converting m4v to edit in final cut pro
on Jan 30, 2013 at 12:23:02 pm

hmm if you need to convert m4v files you might want to check audials moviebox out, i know it's a pretty good converter when it comes to converting protected video files. i generally use it for itunes videos but it works great with other formats too. anyway..there is this tutorial you can take a look at, if you think this might help you: http://audials.com/en/s/converter_conversion/video/convert_m4v_to_mp4.html


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