Alternatives to extracting audio besides DVD2AVI????

[Thumper]

I have always used DVD2AVI to extract the sound files. But I've recently heard (via Adam) that when processing as SVCD using forced film, occassionaly DVD2AVI chokes and causes synch problems. So, what is another approach I can use to avoid this. I saw another topic concerning this and it said to extract it with <<?????>> , demux with <<????>>, and multiplex it with <<<????>>>>, yeah, so anyway, I did not understand this nor' did I catch what was meant by it. So if anyone has some suggestions that would be great. Im not entirely new, I just havent swayed from the path I always use when making VCD's.

Thanks in advance....Cheers. T

[Jeomite]

use a program called vob2audio. it will convert audio from the vob files to wave. which i assume is the format you are lookin for (then you can do whatever with it; convert it to mp2 for multiplexing, etc.)

[adam]

Vob2audio is a good choice. Or you can simply go into the audio tab in dvd2avi and set it to demux instead of decode. This will produce an ac3 file which you can convert to mp2 via azid. There is a great gui called besweet which incorporates azid, ssrc, and toolame for an all-in-one conversion process to mp2. You can find the gui and the guide on how to use it at www.doom9.net.

[stanwebber]

people are quick to badmouth dvd2avi when things dont turn out right. the last few releases(official) have never given me any problems decoding audio. granted i'm no fan of wav2fs so i use an external tool for the downsampling. i guess scars run deep for people who got burned by earlier problematic dvd2avi releases

[Thumper]

Well, I will keep a running total of sucess as I just completed Gladiator using the forced film option and NTSC template. The sound is on the money, quality IMO is better than movies that cannot use forced film option but maybe thats just a my biased oppinon. Going to defrag my hardrive tonite, the tommorow will start on making a SVCD with SHREK, using the same process. I will keep using DVD2AVI to extract audio, providing faliure rate is less than 1 in 10. Dont really want to learn a new app. just yet. Not unless I have to.

T

[adam]

i guess scars run deep for people who got burned by earlier problematic dvd2avi releases

Uhh, the newer releases are even less stable than the original release. 1.76 was the last stable release and even it is known to have issues with maintaining sync.

[stanwebber]

adam, what specific problems are you having with dvd2avi? can you give me a list of dvds that are giving you sync problems so if i own one i can verify this for myself

[adam]

Off the top of my head, Hearts in Atlantis, Swordfish, Remember the Titans, and an episode of the Sopranos.

All were first ripped in Smartripper in movie mode and then in dvd2svcds internal routines when problems arose. All were processed in dvd2avi 1.76 (last stable release) in forced film (all were at least %95 film) with the dolby 2.0 track selected and with downmixing and downsampling turned off. The audio was run through ssrc and toolame then multiplexed with the video (encoded in cce and run through pulldown.exe) and finally everything was multiplexed in bbmpeg 1.24 (last stable release.)

Hearts in Atlantis has a slight sync problem, like the audio offset wasn't set correctly. I have heard of this happening alot with dvd2avi. Supposedly the problem is very apparant on Rush Hour but I have never tested it.

Both Swordfish and Remember the Titans had more serious sync problems.

For the Sopranos I tried ripping all four episods at once to save time and the sync was way off.

In all cases the sync was fixed by setting dvd2avi to demux and then running the ac3 file through azid and then ssrc and toolame.

I now know what happened with the Soprano's after reading a bugreport written by dvd2avi's author.

"DVD2AVI only aligns the start point of A/V streams. If the movie is not encoded at once that PTS restarts (such as bonus track or different episodes) It's possible to lose synchronization from the break point."

I think Swordfish and possibly Hearts in Atlantis had 0 byte vobs, which is known to cause sync problems. Ripping with vstrip or dvd2svcd's interal routines is supposed to fix this, and in the case of using azid I suppose it did but with dvd2avi the desync persisted. I don't know if this had anything to do with the 0 byte vob file but nevertheless, the solution in all cases was simply to not use dvd2avi.

[Dragonsf]

I'm using bbtools with great success.Very fast and precise.

[stanwebber]

hmm, swordfish didn't give me any problems(i'll go back and carefully check though). i used dvd2avi v1.76, ssrc v1.28, toolame v0.2i, pulldown v0.99c, bbmpeg v1.24 beta18. my method diverges from yours in that i split files by chapter(not .vob) in smartripper v2.41 & performed manual ivtc in tmpgenc 12a