how to ensure HDV to HD-DVD project doesn't exceed DVD+R DL?

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germandebbie

how to ensure HDV to HD-DVD project doesn't exceed DVD+R DL?

Post by germandebbie »

I'm currently trying out the VS11 demo. Everything looks pretty good
and I have succesuflly burned a couple of DVD+Rs for playback on
my HD-DVD player. These were 5 or 10-minute clips.

The videos on my HDV tapes are 60 minutes each. I read somewhere
that the HD-DVD burned with a DVD+R DL is only 44 minumtes long.

Is there somewhere in the VS11 program that will warn me if my
project will exceed this 44-minute limit?

Thanks! :)
DVDDoug
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Post by DVDDoug »

I would expect it to warn you when you get to the burn-step.

I haven't made any HD-DVDs, but as I understand it the HD-DVD spec (like the standard DVD spec) allows for a range of bitrates, as well as a variety of audio format options. This would mean that there is no simple answer to how much playing time you can fit onto an HD-DVD.

No matter what the format, the file size is determined by the combined audio & video bitrate (bits per second) and the playing-time.

44 minutes sounds reasonable, since you can make a standard DVD with 90 minutes of good quality (6000kbps) video along with Dolby audio, and burn it onto a single-layer DVD-R. However, I have the impression that commercial HD-DVDs use a bitrate that's 3 or 4 times that of SD-DVD. If that impression is correct, it would mean maybe 25 minutes of commercial-quality HD on a DVD-R.
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