How MythTV Detects and Flags Commercials
peterdaly writes "Automatic commercial detection is the "killer app" feature that none of the commercial DVR's dare to include. MythTV's automatic commercial detection does a great job of properly separating commercials from content. Here's how the commercial flagging works."
Another thing they might try is to look at average loudness. It seems like commercials are pumped up a bit from regular shows.
Tom.