[mythtv] Can VBI data be used for commercial detection?

Geoffrey Kruse gkruse at gmail.com
Wed Mar 23 21:19:14 UTC 2005


Often commercials here in the us will have no closed captions at all.  
This would be an easy way to find the commercials.


Geoff

On Mar 23, 2005, at 11:32 AM, Dan Wilga wrote:

> While I do think the developers have been doing a fabulous job with 
> what we now have for commercial detection, there are still times when 
> breaks don't get flagged.
>
> I recall hearing many years ago that the VBI data sent by many 
> channels will change somehow when commercials are being broadcast. I 
> think it had something to do with timecode being present in the 
> programs, but not the commercials.
>
> Of course, this is all very vague, and I wouldn't have the first idea 
> of where to look to figure out if this is feasible. I'm just proposing 
> this as another possible idea for the clever folks who came up with 
> the current commercial detection code.
> -- 
> Dan Wilga                                         dwilga at mtholyoke.edu
> Web Administrator                             http://www.mtholyoke.edu
> Mount Holyoke College                                Tel: 413-538-3027
> South Hadley, MA  01075            "Who left the cake out in the rain?"
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