Audio hickup when joining Xvid files

[raffie]

I joined a few Xvid files (lets say its porn) with Virtualdub, and at the first join point theres a (in comparisson with the movie audio) very loud hickup in the AC3 audio track. Is there anything that could be done to prevent this from occuring, be it change settings in Virtualdub (audio interleaving??) or another software that could possibly do a better job at joining? Or is this simply something I have to live with when joining videofiles?

PS: something I learned when trying to join these files is that when you number your files to be joined chronologically, Virtualdub automatically joines all the files when you do Append => filename_02.avi Just thought Id put that up here..

[guns1inger]

I joined a few Xvid files (lets say its porn)

Let's not, shall we. Leave it at "Xvid files".

Joining avi files often leads to audio issues, either wi sync, or pop and blips. If you had just a simple stereo mp3 audio track I would suggest smoothing it out in an audio editor and remuxing. As it is AC3, this process becomes a lot more complicated. Just appending in Virtualdub there is pretty much nothing you can do, short of using mail order instead of downloading your, ahem, entertainment.

[Abond]

You can try avidemux2, but I think the result would be the same.
Or maybe VDubMod - I think it can handle ac3 better than VDub.

[Bjs]

Open in virtualmod - avi - save wav
open wav in audiocity .
Locate problem area .
Use effects "fade out" then "Fade in" to basically blend them where they join .

2 seconds on end of first sound file = fade out
2 seconds on start of second sounf file = fade in

Do not fade to "0" point , leave something available .

save file as wav , new name , re-encode as ac3 using besweet .

Reconnect new ac3 file , virtualmod - avi - audio1- ac3 , choose new ac3 audio file .

Avi - audio2 - none .

Check video compression , xvid , use defaults if happy with that , tinker at your own peril's .

Save as avi .

Thats how I deal with audio pops and clicks in joined files .

There is another way of remuxing avi files , just need to do a guide on that ... very time consuming too explain right now ... has to do with nero idiot format , and straight forward conversion to xvid , which works well ...

That guide online soon , hopefully just after xmas , or just before hand ... depends if people stop asking me how to do things with pcgedit ...

As for the type of video files ... I say , too each there own .

It is after all a question regarding help with video problem ...

[mats.hogberg]

Why are you joining the AVIs? If you're going to turn them into one coninous DVD video, it can (and should) be avoided.

/Mats

[raffie]

I appreceate all the replies.
Ima try VirtualdubMod to see if it handles AC3 better.

I don't recode to DVD-video, I burn directly to DVD-R. Why lose quality and lose space (not to mention lose time recoding) when it isnt necessary? Nah, I have a lot of videos and I want to store them using as little shelf space as possible.

If VirtualdubMod doesnt do a better job i think I'll try removing 1 frame at the join point and see if that possibly makes a difference.

[adyf]

Raffie, try the following:

1. Demux the ac3 streams from each avi with VirtualDubMod.
2. Use Ac3Fix on each demuxed ac3 stream.
3. Remux fixed ac3 stream with original avi with Avi-MuxGui.
4. Rejoin the resultant avi's with Virtualdub.

The remuxed avi's will be larger than the original but don't worry when joined with Virtualdub the resultant file will be back down to the original size. If the above doesn't work skip step 2.