> analyze the other signal features of the commercials (eg. increased volume), although it may be tricky My home theater receiver does this (Marantz). It works

> analyze the other signal features of the commercials (eg. increased volume), although it may be tricky My home theater receiver does this (Marantz). It works pretty well. It doesn't cancel out the TV commercials though, it just normalizes the volume so it matches the show. But, I assume you could make it work for muting too.