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Old February 15th, 2007, 08:21 AM   #1
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Location: Morristown, New Jersey
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Timecode fix??

Right, I didn't think it through, never-the-less...

I capture HDV to a laptop using HDVSplit from an XH-A1 backing up with tape. The other day I was shooting an event and realized mid-way through a tape that there was no way I was going to get it all on that tape so I brilliantly paused the tape occasionally but left Split capturing to make sure I got it all.

OK, OK stop laughing.

Anyway, everytime I unpaused the A1, Split accepted the new timecode. Right, - now I've got a single hour and 49 min clip that is reported as one hour and 9 minutes with overlapping timecodes. Premiere Pro 2 is actually pretty good until the 69 minute mark then gets very confused. The audio re-starts from 00:00:00 and some sections of video repeat, others dissappear.

Loading the file into Tmpgenc, I get a different video. I even get a different video running forwards from running backwards.

Anyway, it appears that the various chunks of video are not overwritten, just sort of confused. Anybody know a utility or a workflow that could straighten it out? (Asking in best sheepish and humble voice)
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Old February 15th, 2007, 08:50 AM   #2
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MPEG Streamclip

Try MPEG Streamclip. It has a 'fix timecode breaks' function under the 'Edit' tab. It works very well in standard definition, I've used it recently. I did a quick test with an m2t file and it seems to be working but it may re-encode it to a lower bitrate...

Try and report back please.

Edit: Did a second test. After fixing the broken timecode, save the file by converting to TS, then change the .ts extension to .m2t and you should be done.
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Old February 15th, 2007, 09:21 AM   #3
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Many thanks Ervin, I will give it a try.

Crossing my fingers about that overlapping time-code.

Some of us learn only by painful experience.
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Old February 16th, 2007, 03:18 PM   #4
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Great! It worked. Got the timecode straightened out and now the whole hour and 49 minute clip is available in the right order with sound in the right place.

Well, almost in the right place. There seems to be a slight progressive drift, about 2 frames to start and about 5 frames at the end. I can fix it but I'd love a utility for that.

I used to have that problem capturing dv into Premiere then I started using Scenalyzer and fixed it. Hoping one of the utilities can do that with HDV.

Never-the-less, MPEG Streamclip is a lifesaver. Thanks for the tip.
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