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How does MythTV’s Commercial Detection work? Surprisingly well. Ever wonder how it does such a good job of identifying commercials?There are three key indicators that MythTV uses from recorded content to identify commercials.

MythTV looks for all three of these identifiers to locate commercials.
It breaks each show up into scenes, and then applys a series of score
for the scene based on looking at all three factors in relation to one
another, especially taking timing and patterns into account.

How MythTV Commercial Flagging Works | MythPVR.com

Good to see that MythTV has this feature, I wish my Tivo did.

Balint Seeber’s undergraduate thesis was on this very topic and he showed it could be done quite well even in real time and unbuffered given enough cycle juice.

He was kind enough to show the results at the first ever DORKBOT: SYDNEY.

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