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HDV: original quality export to QT
I have a client that wants a 10 minute HDV 1080i 50 timeline in the highest possible quality for further editing on a PC platform. It’s going to be used for a flash file.
I figure a h.264 file is more than enough but I’ve tried to copy the original quality, which I believe is impossible with HDV if you’re going to QT. First: an uncompressed 8 bit file that was around 56 GB. Saw only a slight improvement over the h.264.
Then I exported an HDV 1080i 50 file that turned out around 55 GB.I am not particulaly impressed by the quality of these huge files. Considering that the h.264 is only 550 MB, it’s a no-brainer for me.
But I’m still curious: how do you get a QT file that matches the quality of the original HDV footage?
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6 Replies
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[Jeroen Wolf] “I figure a h.264 file is more than enough but I’ve tried to copy the original quality, which I believe is impossible with HDV if you’re going to Q”
Hi Jerome,
H264 is a delivery format, you better look for other option if the footage have to be re-edited.
I think that the best solution may be ProRes.
Files will be some 100 Mbps for ProRess SQ and 140 Mbps for ProRess HQ.
Much smaller than 8b Unc and tot quality.
There is a free reader for PC so your customer will be able to work with it.
Other high quality option with small files and cross-platform: Photo JPEG 75%.
Cheers,
rafael(and here some clips for the friends: https://www.vimeo.com/2694745 )
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Thanks, Rafael. I exported using the ProRes HQ setting and wound up with a file of 12GB. Much better than 55GB but still very big!
But that’s HDV I guess…
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Hi Jeroen,
Then try PhotoJPEG 75%.
This codec is amazing.
Is 422 but in SD make the files smaller than DV.
Rafael(and here some clips for the friends: https://www.vimeo.com/2694745 )
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When I export using QT conversion I get the photo jpeg option but I can’t set it anywhere to 75%
Just quality High, Medium etc …Wait a minute, I think I remember how: make a new sequence with photojpeg @ 75% right? (FCP is rendering out the photo jpeg High right now so I can’t try it…)
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Hi Jeroen,
just duplicate your sequence and set Photo-JPEG, quality: High.
That’s the call 75%.
The 100% (quaity best) makes the files RGB instead of YUV.
rafael(and here some clips for the friends: https://www.vimeo.com/2694745 )
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Down to 4,32 GB with the photo jpeg-file- a perfect fit for a dvd, which I can hand over to the client. Can barely see the difference with the uncompressed file weighing in at 55 GB. What the …?
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