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Best Capture Codecs

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Tarquin Douglas
Best Capture Codecs
on Apr 5, 2009 at 7:50:47 am

Hi,

I just wanted to know what anyone else is using to capture in material for encoding to MPEG2.

I am using a BlackMagic SDI Card on MAC OSX. Source is PAL 720x576 DigiBeta. MPEG 2 is encoded with Cinemacraft.

I have always used NONE to capture in as file sizes are not an issue but one one recent job the final encode looked noticably Darker in a couple of scenes. The source is a feature all shot at night.

I ended up using "Uncompressed 8bit" which gave slightly lighter results but with slightly less satuartaion.

Any workflows/codecs anyone else uses would be good to know.

Cheers,

T


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Michael Sacci
Re: Best Capture Codecs
on Apr 5, 2009 at 6:54:08 pm

Use 10-Bit Uncompressed, only slightly larger file size than 8-bit but why not keep all the color info you can.

I have read about issues using "NONE" the Uncompressed setting is just safer to use and there is no compression happening.

There will always be a quality lose when going to m2v files, they are highly compressed and you are going down from 4:2:2 color space to 4:2:0, the quest is to keep it as close to the original footage as possible.



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Tarquin Douglas
Re: Best Capture Codecs
on Apr 6, 2009 at 7:25:09 am

Thanks Michael,

I'll give the 10 bit Uncompressed a go.

Cheers,

T


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