In my experience, blank frame detection (with strict detection) works great most of the time in many US channels (at least the major networks).  However, outside the US, many channels don't do blank frames.  On those channels, I use logo detection and that works like a charm.  Of course, that assumes that the broadcaster turns off the logo during commercials (which many of them do).  I do have a few channels where neither blank frames nor logo off/on is used by the network.  In those cases, I think I'm out of luck.  I tried scene change detection and it hasn't worked well, plus it wrongly flags scenes changes inside the show or in the midst of comm breaks.

I wonder if the mythcommflag code catches things like volume levels (many of my channels turn noticeably louder during comm breaks).

May be Chris P can give us some pointers?


On 12/13/05, Steve Adeff <[EMAIL PROTECTED]> wrote:
On Tuesday 13 December 2005 12:04, Beny Spensieri Jr wrote:
> >From: Phil Bridges <[EMAIL PROTECTED]>
> >On 12/13/05, Beny Spensieri Jr < [EMAIL PROTECTED]>
>
> wrote:
> >> I have found that the commercial flagging feature
>
> of
>
> >> Mythtv is not doing a great job of flagging
> >> commercials.  As a result, playback is not skipping
> >> the commercials as I have indicated.
> >>
> >> Any advise on what combination of settings will
> >> produce the most accurate commercial detection?
> >>
> >> Thanks,
> >>
> >> Beny
> >
> >Just out of curiosity - have you set the frontend to
> >automatically
> >skip commercials?  Are you using the 'z' key to skip?
> >
> >What are your current detection settings?
>
> I initially set it to blank frame detection, which
> didn't work very well.  Then I set it to blank frame +
> scene change, this is also not great.
>
> I have now set commercial detection to ALL, but I have
> yet to record and test anything yet.
>
> I have set playback to automatically skip the
> commercials.
>
> Anything else?
>
> Thanks,
>
> Beny

I have mine set to ALL currently with manual skipping and find it to be quite
accurate on about 90% of the channels I've recorded with about 75% accuracy
on the last 10%. It seems to sometimes find too many or not enough commercial
points when it gets it wrong.

I'm in the U.S.

--
Steve
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