fmpeg to pull the video in from the original .vob file and the audio from the reworked .wav audio file and transcode it on-the-fly.
Solution 1 is alrea... o, this assumes that the first stream in the .vob file is the video stream, so you'll need to adjust the... tream that'll be used for the video in the output file. The audio stream is mapped to "-map 1:0".
The "1" means "second file" (remember, the list is zero-based) and the ":0"