[mythtv-users] Documentation for sources.

[Michael Bochynski]

Ted,



On Tue, 2005-11-01 at 16:29 -0500, Ted Manka wrote:

> Great!  Thanks a ton Michael. Will MythTV also be able to change
> channels?  I know that from each of these boxes that it can output one
> channel at a time.  For example digital cable will have signal go into
> the tuner box and then out to the television.  In the box, the digital
> channels are decrypted (I think that is how it works) and then the box
> only outputs one channel in the coax cable to the television.  Can
> MythTV decode the digital channels before it gets to the box?  Is
> there a way around that?  I am sure that I just don't have a full
> understanding of the way that this works.  Please excuse the newbie
> questions.
> 
> Thanks,
> Ted
> 

I strongly suggest asking questions on the list, instead of the emails.
There are a lot of smart people over there.

With that said, quick answer for you. Will MythTV be able to change
channels? Yes, however you would need an IR blaster. It's a small
device, connected to your PC, which, when you change channels in MythTV,
sends a signal to a cable/satellite/FIOS box to change channel on this
box. You can think of it as programming your TV remote to change
channels on the cable box. 

Going further with TV comparisons, MythTV sits AFTER your cable box, the
very same way as your TV,  not BEFORE the cable box. Hence, the TV
signal from your wall goes to a cable box FIRST and THEN to MythTV and
all the decoding (allowing output signal) will be handled by the cable
box, not MythTV. So if you are looking for decoding (watching) channels
which you are not subscribed to, MythTV is not what you are looking for.
BTW, if your cable box has S-Video out (most likely that's the case) you
don't have to use coax cable. Actually, you shouldn't use coax cable if
you have any kind of tv service (physical box provided to you by your tv
operator).

I know that I can offend many people on the list, but using a great
(humongous) simplicity, MythTV has the same functionality as TV and VCR
together. Obviously there is much more, but I don't want to overload you
with the information.

Here is the (full) explanation form MythTV project site:

http://www.mythtv.org/docs/mythtv-HOWTO-1.html#ss1.1

Michael
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