Dual-language in sync with different sources

[kenma]

Question 1:
I have two DivX-AVI-Files with the same Movie in it, but in different languages, the movies differ a little bit cause of different sources.

The 1st AVI-File is in english without credits the other one is in german with credits. Both are in PAL.

I want to pick the better-quality video-stream and both audio-streams getting a dual-language-DivX-Movie out of it.

How do I make sure that the audio of both audio-streams are in sync with the video ?

Is there a software to see the video and place the audio-streams in sync ?

Question 2:
What happens if one source is 24 or 29 frames/sec (NTSC) and the other in 25/sec (PAL) ?
How do I handle these kinda formats to get a dual-language divx-movie in sync ?


Greetings
Ken

[hakko504]

First I'm going to assume that you have not downloaded these movies from the 'net since this is not allowed here on the board. Rule #6. (http://forum.doom9.org/forum-rules.htm)

Then on to your questions:
Q1: Open the two files in VirtualDubMod (You'll need this later anyway so no point in using the regular version). Assuming they have the same framerate you can simply find the point where the shorter file ends and see if both files have the same frame number at this point. Frame numbers can be found at the bottom of the VDM window. Check some random frames in both files and make sure they are equal. If this is the case then you can use the audio from one file in the other.

To actually find out if a movie is synched I recommend to watch it and listen to it. You can use any player you'd like to do this.

Q2:If one source is NTSC and one is PAL you can use BeSweet to transcode the audio (use CBR audio, less synch problems that way) and in the gui there should be an option to change audiolength with exact NTSC->PAL (and vice versa) length conversion. Note that this may change pitch of the sound. There should be better shareware solutions like Cooledit (?) that can handle pitch correcting at the same time.

[kenma]

No, I haven't downloaded the movie, I have a DVD of that movie with german language but no other audio tracks on it, and an older VHS-Tape in english and I wanted to watch the movie by switching the two languages sometimes.

I didn't get you exactly, but I'll try this for Q1 with VDubMod, more maybe later. Thanx for now!