Xref: utzoo rec.video:7863 sci.electronics:7764
Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!natinst!jes
From: jes@natinst.com (Jerry E. Sullivan)
Newsgroups: rec.video,sci.electronics
Subject: detecting TV commercials, is it possible?
Message-ID: <4482@natinst.natinst.com>
Date: 14 Sep 89 23:35:35 GMT
Followup-To: poster
Organization: National Instruments, Austin, TX
Lines: 8

Is it possible to detect impending commercials in TV broadcasts electronically?
I suspect some kind of inaudible tones might be present. If there are such
signals, are they filtered before they reach my home? If there is a signal,
whre might I find out its exact nature?

Thanks,

Jerry Sullivan