Extracting DivX Audio w/VirtualDub - Problem!

[flapjack]

First let me say, I've used this program many times for all kinds of conversions without any problems.

Today, when I go to rip the sound from a DivX file, I get an error that the compression I selected (none) doesn't match the input.

When I look under file information, it says "Unknown (tag 2000)" under audio format. This is really odd. It's the same for every .avi file I open now!

I did not install anything, change any codecs, etc... The only thing was use VirtualDub last night to merge two large .avi DivX files. Could this be the cause?

Thanks.

[machango]

Probably the audio of the avi is AC3
Use Vdub AC3

[mats.hogberg]

...or extract the audio using direct stream copy (save wav). Rename xxx.wav that VDub saves, to xxx.ac3 and convert to wav with headac3he. It may also be mp3 - then rename to xxx.mp3 and covert to wav with Winamp or CDEX or...

/Mats

[flapjack]

I'll try both suggestions, it's just that I tried extracting from files that I previously had no problems with. Now, any file I opened has the audio listed as "Unknown".

[legoman666]

try the program decompress, it decompresses the audio to uncompressed pcm and leaves the video untouched and outputs the file to xxx_pcm.avi, download it here http://legoman666.netfirms.com/decompress.zip

[ZippyP.]

Sounds like a codec problem. Use Gspot (tools section) to diagnose it. Installed any new codecs lately? There may be a conflict.

[flapjack]

I installed GSpot, and opened the file. It said the codec was ac3.

What is interesting, is when I go to View>Codec Database>Audio, the first codec listed is <unknown>. I almost certainly think this is the problem, as I've ripped several of these .avi files before today.

The funny thing is, I haven't installed any other codecs in months! It only started happening after I used VirtualDub to merge two .avi files...

[flapjack]

Ok, got the codec problem fixed by running the Nimo pack again. The old files opened fine, but the new ones were still not extracting.

I used the GSpot proggie and found it was ac3 like you guys said. The only method that worked, and believe me, I tried them all, was the Decompressor program.

What a pain in the ass!