I'm looking to spend some time improving commercial detection this year, and it would be useful to hear from people where the current system works well and where it fails.
For me personally, I record a mix of OTA and cable. Commercial detection is usually spot on, except on ABC's primetime shows. On ABC (and also on some cable channels like Comedy Central), the last segment of the show where the credits are shown will sometimes be missed and marked as a commercial.
The weather here is pretty tame so we never get weather or school closing tickers. I've heard that when those appear it breaks commercial detection completely and that's something I hope we can improve.
Share your results below. What shows and channels does commercial detect work well on, and which shows and channels seem to have trouble?