DVDLab Problem

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DVDLab Problem

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Lorek

Newbie

31. May 2005 @ 02:28

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I used Tmpgenc to reencode my material to 720x480. The video and audio streams were seperated into a .m2v file and a .wav file. When I tried to import those assets into DVDLab i noticed a very heavy audio sync problem. So i double checked the duration length between audio and video for the material and the .m2v is being displayed as 2 seconds shorter then the audio duration in DVDLab. I reopened the files in tmpgenc and double checked the duration to see if it was the encoder messing up, and the duration for both audio and video are the same. I've not had much experience with DVD Authoring. I just picked it up about a week and a half ago and i'm not exactly sure how to handle this problem. Does anyone have any suggestions?

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rebootjim

AfterDawn Addict

31. May 2005 @ 07:50

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The fault lies with TMPGEnc. It does not do audio well, and .wav is not what you should have for output, you should have an mp2 audio file.
Try encoding just the audio in TMPGEnc, and see if it will then sync in DVDLab.
You could also transcode to AC3 (or mp2) using ffmpeggui.
Are you sure there's a sync problem? DVDLab has no audio preview, so you would have to author the dvd, then test in some good player software (NOT windows media player), before burning.

[ + quote]

Black holes are where God divided by zero...
Cheers, Jim

Lorek

Newbie

31. May 2005 @ 14:54

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I authored a DVD and played it on a standalone panasonic dvd player. The audio is about 1.5 to 2 seconds ahead of the video. DVDLab doesn't have an audio preview but I've read many threads on audio sync problems and most occur because the audio and video stream aren't the same length.

Also how come when I load the .m2v file into tmp the duration is different then when I load the .m2v into dvd lab? The audio stays the same duration regardless of software used. Its the video duration that seems suspect.

I'll give it a try and see if it works with a different encoder. Do you know any good Demuxer's? What i'm doing is converting it to 720x480 using avisynth, and then reencoding the resized content into mpeg2 with tmpgenc. After that tmpgenc saves the file as .wav + .m2v and i import that into DVDLab

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This message has been edited since posting. Last time this message was edited on 31. May 2005 @ 15:49

Lorek

Newbie

31. May 2005 @ 20:58

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CCE Problem Fixed

[ + quote]

This message has been edited since posting. Last time this message was edited on 31. May 2005 @ 21:23

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Related links

A brief look at DVD-Lab.

Guide to converting SVCD to DVD±R with DVD-Lab.

Download DVD-Lab DVD authoring software.

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