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Down converting a Pro Res Sequence

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Maria Meredith
Down converting a Pro Res Sequence
on Jan 22, 2013 at 6:59:56 pm

Hi

I have a 12 minute sequence (captured from HDV using Pro Res codec). (I needed a hi res output so that's all good).

However, I also need a low res version with burnt in timecode, but my machine is taking a ridiculous amount of time to export a small quicktime movie of this (it's predicting several hours!).

I've tried re-importing the hi res output clip into a non pro res sequence but that hasn't speeded anything up.

Any ideas which settings might get this done quicker please?

Thanks as always.

M

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Shane Ross
Re: Down converting a Pro Res Sequence
on Jan 22, 2013 at 7:46:55 pm

Render everything. DO NOT ADD TIMECODE AT THIS TIME

Export a reference QT movie.

Bring that into Compressor. Set up how you want it to be encoded...add the timecode reader there.

Tutorial on that here: http://library.creativecow.net/ross_shane/visible-timecode/1

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


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Maria Meredith
Re: Down converting a Pro Res Sequence
on Jan 22, 2013 at 9:29:14 pm

Hi Shane
Thanks for the reply, I'm giving that a go right now...but still this 12 minute sequence wants 'about an hour' just to render!! Could this be an issue with my Mac?
M

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Chris Tompkins
Re: Down converting a Pro Res Sequence
on Jan 22, 2013 at 10:06:42 pm

Welcome to HD, you need more power.

Chris


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Shane Ross
Re: Down converting a Pro Res Sequence
on Jan 22, 2013 at 10:11:57 pm

It all depends why you are rendering. What effects are on the clips and so on. Blurring ones, or de-noising ones, sharpening ones take longer.

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


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Maria Meredith
Re: Down converting a Pro Res Sequence
on Jan 22, 2013 at 10:27:10 pm

Thanks again for responses. Re my clip, there's a brightness/contrast and auto level filter, a one second fade in fade out at the start and end. Is there no way to have a second lower res sequence within the same project?

M

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Shane Ross
Re: Down converting a Pro Res Sequence
on Jan 22, 2013 at 10:33:36 pm

Sure...you can have sequences with different compressors. The lowest end good quality one is ProRes LT. Not sure you'll see that much difference in render speed between that and regular ProRes 422.

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


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Rafael Amador
Re: Down converting a Pro Res Sequence
on Jan 23, 2013 at 1:12:03 am

What kind of "low resolution version' are you trying?
If you are trying an H264, don't make a multipass.
rafael

http://www.nagavideo.com


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Spencer Averick
Re: Down converting a Pro Res Sequence
on Jan 23, 2013 at 3:25:18 am

You said you've created a full res clip already? Just use that to create an h.264 out of compressor w/tc burn. Don't try to compress an h264 from an unrendered fcp sequence if you don't have to.
Also make sure your clips and sequence setting match. If not the render will take longer.


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Maria Meredith
Re: Down converting a Pro Res Sequence
on Jan 24, 2013 at 10:37:54 am

Thanks so much for all the responses, really helpful stuff!!

M

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Sascha Engel
Re: Down converting a Pro Res Sequence
on Feb 14, 2013 at 8:54:21 am

I have to do that all the time. Here is my quickest good Q way, if you need the time code printed on:
I first export the hi res version of my time line, so I have a version without TC if needed, open that in new Seq, ad TC, export again in HD with TC, then open this file in Compressor and adjust the settings for an H.264 output, as Raphael said, make sure you set it to fast and not multi-pass, it will boost the time incredible and the quality difference is minimal.



Greetz.


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