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Old September 23rd, 2009, 09:34 AM   #1
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HDV render vs. HDV from tape

A friend is working on a project with HDV clips coming from JVC-HD110 tapes (1280 x 720 30p) on Premiere, but I have some clips that he needs, coming from my XDCAM-EX3 (some 1080p, some 720 30 AND 60P)...I have Vegas 9pro and I was thinking on rendering to the HDV-720 30p template that comes in Vegas and give him these files as "master" HDV files... will the resultant m2t files be "equivalent" to his HDV files from the tapes ?..what's the difference between HDV from tape or "rendered" from vegas' timeline ?

any suggestion or comment on this "shared" workflow would be greatly apreciated

kind regards
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Old September 23rd, 2009, 12:41 PM   #2
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It is generally a bad idea to do more rendering steps in a workflow that necessary. This will needlessly reduce the video quality. Your friend can use your EX3 files directly in Premiere. You may want to transfer the files to an external hard disc rather than hand over an SxS chip.
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Old September 27th, 2009, 10:00 AM   #3
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Quote:
Originally Posted by Enrique Orozco Robles View Post
will the resultant m2t files be "equivalent" to his HDV files from the tapes ?
Vegas Pro has the ability to "smart render" HDV. If you use the same template for rendering as the original source, Vegas will simply copy the source to the target without changing it at all. So it is possible that they could be "equivalent". If you want to give your friend HDV in his format (720p), and your source doesn't match his target format then there will be rendering and a slight loss in quality.

Quote:
Originally Posted by Enrique Orozco Robles View Post
..what's the difference between HDV from tape or "rendered" from vegas' timeline ?
Nothing. HDV is HDV. The rendered file can be printed back to tape because it is the same format as what's on the tape.

Quote:
Originally Posted by Enrique Orozco Robles View Post
any suggestion or comment on this "shared" workflow would be greatly apreciated
I would try smart rendering first. An alternate workflow is to use an intermediary codec like CineForm which can stand up to rendering several times with no appreciable loss in quality. Your friend would just need the CineForm decoder which I think is free (you only pay for the encoder).

~jr
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