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audio delay in tmpegenc dvd author
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bendesu
Suspended due to non-functional email address
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12. June 2005 @ 17:46 |
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Hi,
I've been trying desperately to find a dvd authoring tool that will allow me to have usable menus on my dvds of various tv shows, and I thought tmpegenc was it. But Whenever I author a dvd using the program, the audio and video ends up going out of sync (audio is fast by almost 2 seconds) and it seems to get progressively worse as the show goes on. This is what I'm doing:
1. Turning my .avi files into .vob files using WinAvi;
2. Loading them into tmpegenc as separate tracks using the ADD DVD button;
3. Letting the program do its thing, and then burning the disc in nero.
I've checked the .vob files after using WinAVI to see if the problem was there, but it isn't! The sound and picture are in sync. So the issue seems to be with tmpegenc, but I can't figure out what it is. If ANYONE has any help they can offer, I'd hugely appreciate it. This newbie just can't figure it out yo....
Thanks...
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dog3y3
Junior Member
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15. June 2005 @ 12:58 |
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What is the fps of the .VOB? You could be right, that TMPGencDVD Author could be skewing the audio, and it may be that it's trying to read a 24fps movie as 29fps. Normally, TMPGencDVDAuthor won't accept a movie with the wrong fps, so i'm wondering how this happened. have you tried just making .avi's into .mpg, and then import into TMPBDVDA?
Just curious.
-dog3y3...frequent victim of digital alzheimers
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bendesu
Suspended due to non-functional email address
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15. June 2005 @ 21:18 |
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Hey...
I don't think the fps is the problem, because at various points in the movie the audio is actually in sync. Then it gets out of sync (always with the audio ahead of the video) and then, sometimes, back in sync again. I thought it might be someone editing the commercials out poorly, but the problem doesn't exist when I just play the .avis on my computer.
I'm trying out TMPEGENC right now, turning the .avis into Mpeg with separate audio and video streams to see if that works. As for TMPBDVDA, I've never heard of it. Should I be using it?
THanks for all your help...
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AfterDawn Addict
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15. June 2005 @ 22:50 |
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1. Winavi is not known for keeping audio sync.
2. What plays on your computer has almost NO relevance to what will play on your standalone/burned disk.
3. If we had any idea what the specs are of your original AVI, especially video framerate, and audio frequency/type, we would have a better idea of what may be going wrong, and how to fix it.
You've started on a better track, by using TMPGEnc to encode, but it's not known for it's audio encoding abilities either.
Black holes are where God divided by zero...
Cheers, Jim
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bendesu
Suspended due to non-functional email address
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16. June 2005 @ 07:47 |
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Hi RebootJim...
The specs on the .AVI are as follows:
Xvid Video codec / 23.97fps / 818kb/s bitrate (video) / MPEG-1 layer 3 audio codec / 116 kb/s VB audio bitrate / Fs48000 Hz
I've just had a turn at tmpegenc. It divided the audio and video into separate streams no problem, and loaded in DVD-lab pro without hassle, but when all was said and done the audio wasn't playing at all. So with Winavi creating .VOB files I get audio out of sync, and with tmpegenc I can't seem to get any at all. Any ideas?
Thanks both of you for your help...
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dog3y3
Junior Member
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16. June 2005 @ 08:38 |
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Rebootjim's comment on TMPGenc not handling audio very well is correct, and the source of your current problem (no audio). It cannot read VBR audio MP3. It must be a constant bitrate... then your audio will sound fine. Best bet is to put the .avi into virtualdub, set audio processing to full and 'save wave'. Then pull the video in to TMPGenc, and then select the wave file you made. it should work after that...
-dog3y3...frequent victim of digital alzheimers
This message has been edited since posting. Last time this message was edited on 16. June 2005 @ 08:39
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bendesu
Suspended due to non-functional email address
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16. June 2005 @ 09:43 |
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Thanks dog3y3, I'll give that a try and let you know how it goes.
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bendesu
Suspended due to non-functional email address
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16. June 2005 @ 09:56 |
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One question: When I load the video into Tmpegenc again (along with the wav file I've created in virtualdub) do I need to do have stripped the audio from it so that there aren't two audio streams playing? Right now when I load a video into tmpegenc, it automatically fills out the audio slot. Or will the wav file override the audio "trapped" within the video file?
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AfterDawn Addict
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16. June 2005 @ 13:44 |
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Once you select the .wav as the audio source, TMPGEnc will ignore the other.
Black holes are where God divided by zero...
Cheers, Jim
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bendesu
Suspended due to non-functional email address
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16. June 2005 @ 16:15 |
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Ok....now I have a new issue:
Tmpegenc is processing the AVI and the wav files no problem, apart from the fact that it's turning a 320mb file into nearly 3Gb. I put them into my authoring software (dvd-lab pro) which shows me the frames, and the last 3/4 of the file is taken up with blank frames. Tmpegenc is adding on almost an hour's worth of nothing, for no apparent reason. Any idea why?
I'm going to try converting the avis to vobs in Winavi, after first extracting the wav using VirtualDub. I'll see if that'll be enough in the authoring software to get me going. If not, then I'm getting painfully close to the edge of my patience....
Am I doing something foolishly wrong?
Thanks again
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