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What is the highest quality format that can be edited in iMovie?

What is the highest quality format that can be edited in iMovie? I shot a film using my HD camera (panasonic hdc sd700) and the files are .mts so I will convert to edit in imovie but I'm not sure which format to convert to. The film is for a film festival so it needs to be the best quality possible...please help!

iMovie '11, Mac OS X (10.7.5)

Posted on Nov 22, 2012 5:55 PM

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Posted on Nov 22, 2012 6:21 PM

You do not need to convert. Just import from the camera. iMovie will convert to Apple Intermediate Codec.


If you have Final Cut Pro X, you can import directly from the camera into ProRes 422. iMovie can edit ProRes 422 if FCP is installed, but if you have FCP, I would suggest editing in FCP.

17 replies

Nov 25, 2012 1:36 AM in response to sbhabyn

sbhabyn wrote:

… I have been converting the mts to mov using iskysoft but if quality is all important, what resolution setting do I select for conversion. …

if 'quality is all important' you shouldn't convert at all!


every conversion process is somehow lossy.

best practice is to import straight from cam and avoid any 3rd party products.

2nd best is using a rewrapper (in case the mts are orphanized/without the AVCHD structure).


a better intermediate would be proRes, as mentioned above.

iM would handle it - but if you want proRes, you have to install FCPX - way using iM then? 😉

What is the highest quality format that can be edited in iMovie?

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