Help in converting avi to DVD

[veriton]

I am new to the world of encoding/transcoding etc.. Recently I started converting avi ( XviD) to DVD using softwares like DIKO, Avi2DVD etc.. (I want to make 2 movies in 1 DVD with runtime around 4hrs)

I am facing the problem of audio and video desync after encoding is over... This is not the first time that I am facing such problem.. Out of my three sessions of making DVD ( 17 hrs each) I faced this desync problem in two of the attempts..

Now most of these avis are from NTSC source with fps 23.976 and VBR mp3 audio.

I tried this method to correct my desync problem..

Open Virtualdubmod and open the avi
Make sure direct stream copy is selected under Video
Select streams list under Streams
Select the audio track and Right click it and select Full processing
Click save wav and save the file. It be approx 1gig
When the wav is saved. Exit dubmod and restart.
Open the avi again and make sure direct stream copy is selected under Video again
Select streams list under Streams again and click add and add your wav you created
Select the first original audio track and click disable
Right click the new audio wav you added and click direct processing then click ok
Check again you have selected direct processing under video
Now save the avi.

The new avi will now be in sync perfectly which will encode fine and come out synced as mpg

from http://www.vmesquita.com/forum/index.php?topic=3309.0

But when trying to extract audio the runtime of wav file obtained was only 31 mins whereas original file has runtime over 57:30 mins. BTW if I am using Full processing when extracting audio and saving as wav then I am getting wav file of runtime 57:28. Now since there is large diffeence what should I do ? Should I go ahead and make the avi again ? If yes then which settings should I use ? Should I select the option that change fps so that audio and video match ??

These are some of the question bugging me...

Also what is the best method to handle VBR mp3 issue. This is the message that pops up in VDub when I open the avi.

[!] AVI: Variable bitrate (VBR) audio detected. VBR audio in AVI is
non-standard and you may encounter sync errors up to 13786ms when
attempting to extract WAV files or processing the audio in Direct Stream
Copy mode. Full Processing mode is recommended to decompress or recompress
the audio. (bitrate: 129.6 ± 18.1 kbps)

I tried reading but there are many links,references and from the comments it seems that they do not work...

So plz help me out and suggest me how to

1)ensure that avi is fine , error free and if not then make it error free so that further conversion to DVD is hassle free...

2)how to handle VBR audio..

3) Any other tools to be used which might be helful

4) Best avi to DVD software among DIKO, avi2dvd, filmmachine ( obviously I will be using CCE encoder)


Suppose if I want to separately encode the audio and video then how to match encoded audio encoded video...

[ChickenMan]

I find the best is to Demux out the VBR MP3 audio with VirtualDUBMOD. Then load that into Goldwave, then normalize the volume and maybe re-sample to 48000 kHz if it is not. Finally save out as a WAV file (stereo 16bit). Then Add this back into the original AVI with VirtualDUBMod as above, disable original audio stream and finally Save As to a new file (video set to Direct Stream Copy). I NEVER have audio sync problems if done this way.

[veriton]

I find the best is to Demux out the VBR MP3 audio with VirtualDUBMOD. Then load that into Goldwave, then normalize the volume and maybe re-sample to 48000 kHz if it is not. Finally save out as a WAV file (stereo 16bit). Then Add this back into the original AVI with VirtualDUBMod as above, disable original audio stream and finally Save As to a new file (video set to Direct Stream Copy). I NEVER have audio sync problems if done this way.

thnx for tips.. but u seem to missed this problem which I am facing

But when trying to extract audio the runtime of wav file obtained was only 31 mins whereas original file has runtime over 57:30 mins. BTW if I am using Full processing when extracting audio and saving as wav then I am getting wav file of runtime 57:28. Now since there is large diffeence what should I do ? Should I go ahead and make the avi again ? If yes then which settings should I use ? Should I select the option that change fps so that audio and video match ??
how to fix the improper runtime of audio and video. ???

[setarip_old]

Hi!Now most of these avis are from NTSC sourceThen, why don't you simply rip a backup copy of your original (NTSC) DVD?

[veriton]

Hi!Then, why don't you simply rip a backup copy of your original (NTSC) DVD?
because these was made long time ago...and that time I only had DVD reader and no writer..

[setarip_old]

and that time I only had DVD reader and no writer..What does that have to do with NOW ripping a copy of your original (NTSC) DVD?

[veriton]

What does that have to do with NOW ripping a copy of your original (NTSC) DVD?
I made avi long time back... now the original DVD is lost and I want to make DVDR...

anyways too much questioning..i wud really like to get some help rather then this Q&A session..

[ChickenMan]

If VirtualDUB cant Demux the audio out complete then there is a problem with the avi. Have you tried DivFix++ on a backup of the avi ?

I would load the AVI directly into Goldwave. It has a great track record for finding any audio within an AVI. Save out as WAV and go from there.

[ammck55]

anyways too much questioning..i wud really like to get some help rather then this Q&A session..
The question is valid. Under our forum's rules, we can only give help on titles you personally own. "Lost" titles would fall into the category of property you no longer "own".

Thread closed.