[mythtv-users] HD PVR and IR transmitter for channel change (why)

Greg Oliver oliver.greg at gmail.com
Wed Dec 15 15:37:27 UTC 2010

On Wed, Dec 15, 2010 at 9:29 AM, Dave Richardson <mythtv at derdev.com> wrote:
> Sorry if this is remedial, the wiki does not appear to address the topic...
> http://www.mythtv.org/wiki/HDPVR
> If the setup for an HD PVR from cable STB is
> STB --> [composite] --> HD PVR --> [USB] --> Myth BE

Dunno how it could be different...

> Then the wiki appears to jump straight to a conclusion that the IR
> Transmitter channel change wiring and setup is
> HD PVR --> [ir emitter] --> STB

Same again...

> with a lot of instruction about how to ensure modules/kernel and myth setup
> are done.
> My QUESTION: there seems to be a leap or assumption made that this is the
> best/correct IR transmitter setup to channel change on the STB.


> Can someone please elaborate on this?  Are there other options or at least
> reasons why this approach is favored?  My gap in understanding is that this
> is not similar to how IR transmitting is done when capturing from STB -> PVR
> 550/150 or other setups.  Why is the HD PVR IR Transmitter favored over IR
> transmitting from the BE?

noone said it was/is..

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