[MPlayer-users] mencoder: question N2

[Georgi Georgiev]

Илья Шипицин wrote:
> ... I heard that commercial contains some special information in it. That
> information "is not easily seen by eyes", but is for automatic detection
> of commercial. I even heard of some Video Cassette Recorders which can
> understand that information. So, have anybody heard of it ? maybe it's
> even possible to cut commercial in automatic mode ?
> 

Well, some VCRs can do it, because movies on TV are usually mono and the 
commercials are stereo. Or was it the other way around? Anyway, in Japan at 
least it has something to do with the sound. Which makes it quite irrelevant 
for captured avis on the PC.

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