Posted by Long John on 08/04/06 06:30

"Tom Horsley" <tomhorsley@adelphia.net> wrote in message
news:pan.2006.07.02.19.05.38.865183@adelphia.net...
> I've got a Samsung DVD-HD860 I picked up on sale as an experiment
> to try with my Westinghouse LVM-42w2 LCD monitor (to see if a
> 1080i upconversion of a DVD would look really spectacular
> or not - the answer is "a little better maybe, but spectacular,
> no" :-).
>
> In the course of fooling around with this, I discovered
> a side effect of the HDMI interface between the DVD player
> and the monitor:
>
> Apparently, if I switch the monitor to a different input
> while playing a DVD, the content protection junk gets
> all hot and bothered and decides it is no longer talking to
> a HDCP compliant HDMI interface, so it shuts off the video
> from the DVD player.
>
> Switching back doesn't help - have to power toggle everything
> to get the DVD video back on HDMI again.
>
> Is the HDCP spec fundamentally flawed?
>
> Is the Samsung DVD player poorly engineered?
>
> Or is it the monitor that should be keeping the HDMI
> interface happy even while I've switched away for a bit?
>
> (In a no doubt related effect, I've noticed I damn well
> better have the monitor set to the HDMI input before I
> power on the DVD player, or I once again get no video).

You're interupting the decode authorization handshake when you do that...

The player and the display talk back and forth to authorize the signal
decoding

The bottom line is keep yer hands OFF the input switch..! ;-)

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