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HDV ‘Conform’ and Blackmagic HD Pro
Hello,
Just a quick one, I’ve heard that to output an HDV timeline back to HDV tape a lengthy ‘conform’ or render needs to take place (presumably to construct a new MPEG GOP stream).
I use the Decklink HD Pro card in my dual 2.7 G5 – If I output to HDCAM via HDSDI would I still need to do this ‘conform’ process??
Thanks
PaulFreelance DS/Symphony
London -
2 Replies
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Paul,
The conform process is for outputting HDV back to the HDV camera or to an HDV deck. In my limited experience doing that, it seems to take about six times realtime. If you are editing native HDV on the timeline, and outputting that to HDCAM via HDSDI, you should probably render the entire sequence out to HDCAM in advance, simply to avoid the posibility of dropped frames. There are complex calculations going on in real time when playing back HDV, and I think you actually save time by rendering, because you’ll be confident that everything will be right when going to tape. If someone else thinks the render is not necessary please feel free to make that point…
DRW
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You have to render if you want to be sure of no dropped frames, theoretically it’s possible to just output in real time via HDSDi, but I haven’t been brave enough to try a whole show!
Steve Connor
Cardinal HD
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