I need to shorten an AVI to fit on disc, but when I use VDub to do so, it throws the audio completely out of sync. So I stripped the audio and am using TMPGEnc to re-encode? the audio and video, and it's saying that there's over 4.5 hours left to do a 23 minute episode. Is this normal? Am I doing somethig wrong or the slow way?
Dai
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Just an update: I removed the opening and ending to the episode to make it shorter, but now it says its going to take even longer to do, like over 5.5 hours.
Dai -
When you load the AVI into Vdub, does it throw up a warning ?
If not do this
Video > Scan video stream for errors
If it finds any
Video > direct stream copy
Audio > direct stream copy
SAVE AVI (Movie 2.AVI)
Now re-load Movie 2 to edit...
If there are no junk frames, move to the location you want to be the start of the cut, but click the yellow keyframe back once, then mark the start. Then move to the end location, but click the yellow keyfram forward once, then mark this as end. (You cut at keyframes)
Press the delete key to cut that section out
Video > direct stream copy
Audio > direct stream copy
SAVE AVI -
You know, it wasn't until I upgraded to the latest version, that it gave me the notice that there was something wrong with the VBR? audio and that I had the option to scan for errors (I was wondering why I couldn't find that option before.)
To make a long story short, I went back to a previous episode that I couldn't get fixed and apparently, either after VDub made repairs to the VBR or due to the updated VDub, I was able to shorten the ep without losing synch.
Dai -
Ah, you need to use the latest Vdub to get the warning, then you need to be more careful. Vdub will warn you about Variable bitrate, so you should not try and remove any junk frames at this stage. Instead you should save out the audio uncompressed, then use that as the source.
Audio > full processing mode
Audio > conversion > 44.1Khz
SAVE WAV
Now that the audio is in an acceptable format, you can select Audio > WAV audio > (your saved WAV)
Now you can do a scan for junk frames, but when saving in stream copy, your output would have a uncompressed WAV, so.....
You could re-compress later, this does not take long, but first get an AVI that is junk free and no lip sync.
Saving using streaming, "Should not have an effect" but it does sometimes.
Anyway, you have it sorted, but perhaps should be aware of the VBR types...
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