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Converting 59.94 fps sony .mts files to smooth 29.97 fps slow-mo in FCP

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Leland Davis
Converting 59.94 fps sony .mts files to smooth 29.97 fps slow-mo in FCP
on Jul 11, 2012 at 4:24:32 pm

I have some 59.94 fps .mts files recorded with a Sony handycam that I would like to conform to smooth 29.97 fps in order to make nice slow-mo.

In the past, this is what I have done:

Convert mts to m4v using HandBrake with Framerate: "Same as Source" selected.

Open m4v file in Mpeg Streamclip and export quicktime movie in Apple ProRes 422. I have been leaving the framerate option blank - I assume this maintains current framerate?

Open file in Cinema Tools and conform to 29.97 fps.

For some reason when I do this, I open the file in Cinema Tools and it tells me it's already 29.97 fps.

I have confirmed that the original files are 59.94 fps by opening them in VLC and choosing Media Information and Codec Details.

When I open the intermediary m4v files in iTunes, they play in slow-motion.

So, should I force the issue in Mpeg Streamclip by choosing to export at 59.94 fps? If it's seeing 29.97 fps, will it just interpolate frames, or will it use the actual frames?

Is there a better way to do this without buying additional software?

Thanks for any info, help, or tips!


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Dave LaRonde
Re: Converting 59.94 fps sony .mts files to smooth 29.97 fps slow-mo in FCP
on Jul 11, 2012 at 6:59:55 pm

If you shot on a Handicam, the footage doubtlessly is 1080.
There are currently no 59.94p Handicams.
You shot 59.94i, not 59.94p.
You may have shot progressive-scan, but the camera stores the complete frame as two fields; it's called progressive segmented frame (psf).

Now, there are cameras that will shoot real-live 59.94p, but they're very expensive: you could buy a brand-new Corvette for the same price.

You can still make the footage slo-mo by slowing it down in FCP or by using Compressor to make a 59.94 frames/sec file, which you'd then conform to 29.97 using Cinema Tools.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Shane Ross
Re: Converting 59.94 fps sony .mts files to smooth 29.97 fps slow-mo in FCP
on Jul 11, 2012 at 8:42:40 pm

Sorry to burst your bubble Dave...there are:

http://www.engadget.com/2010/02/09/panasonic-debuts-hdc-hs700-and-hdc-tm700...

http://www.luminous-landscape.com/reviews/camcorders/tm700.shtml

"the TM700 can shoot 1080P/60"

This has been an issue because FCP doesn't support 1080p60...it's a non-standard format.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Dave LaRonde
Re: Converting 59.94 fps sony .mts files to smooth 29.97 fps slow-mo in FCP
on Jul 11, 2012 at 8:47:58 pm

Ah, well, that's good to know. Thanks for clarifying. I stand corrected.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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