There are two things that I do before I start cutting out commercial breaks from my TV captures:
- I make sure that the audio and video are in sync; and
- I remove all MP3 artifacts.
The Problem With VirtualDub
VirtualDub was the first tool that I used for cutting out these ads found in commercial breaks. But AVI capture files that have been resynced (and MP3 artifacts removed) will gradually go out of sync again after cutting out the ads. No matter what I did, I could not cut out ads correctly with VirtualDub.
Avidemux To The Rescue
So, I now use Avidemux to edit out these advertisements from my TV captures.
Avidemux is a multi-platform video editor and it is free and open-source. The version that I have installed on my PC is version 2.5.4 (r7200). I only use 7 keys on the keyboard to locate, mark and cut out advertisements.