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Re: Jerky output from HDV

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Re: Jerky output from HDV
by Jerry Alto on May 23, 2008 at 6:15:50 pm

Andrew- No question HDV has its issues which are mpeg2 (GOP) related. The only thing I can say is that you have to test, test, test. Once your have a clean workflow be sure to write down the steps.

When we are down converting to SD we go into FCP component via our Kona card and then we have a very clean intrerframe format (8-bit uncompressed) from the get-go. Another common workflow with FCP is to edit a HDV native sequence then copy and paste it into your favorite SD sequence codec within FCP and let it render. Then go out to compressor for your SD mpeg2.

Another workflow is to down convert to DV via firewire directly from the camera/deck. I know the Sony camera/decks do this. I am not sure about Canon.

Another test is to go out to tape with your HDV native sequence. If the tape plays fine then you know you have to work on your software downconversions.

I've always worked in NTSC. Maybe someone else has info on possible issues with progressive VS interlaced.

HTH,

Jerry

G5 Dual 3GB Ram
FCP5 Studio
External 1 TB SATA Raid 0
Kona LH, Second system w AJA ioLA
Sony Z-1


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