[mythtv-users] Antenna advise

david brooke david2012brooke at gmail.com
Wed Jan 22 19:30:42 UTC 2014


On Wed, Jan 22, 2014 at 2:08 PM, Gary Buhrmaster
<gary.buhrmaster at gmail.com>wrote:

> On Wed, Jan 22, 2014 at 6:27 PM, david brooke <david2012brooke at gmail.com>
> wrote:
> ....
> > Sorry guys...I'm still confused on the tuner issue.
>
> For an OCUR device, you need 1 "tuner"(*) for each (concurrently recording)
> "virutal channel"(**).  It does not matter if two (or more) virtual
> channels share
> the same frequency.  You still need 1 "tuner" for each (concurrently)
> recording channel.
>
> If you want to be able to (in one of your previous examples) record 4
> shows at once, that is 4 "virtual channels", and you need (at least)
> 4 "tuners".
>
> Gary
>
> (*) A "tuner" in the terms the companies use it, means not just
> the RF tuner, but the entire path, including decoding, filtering,
> stream processing, etc.
>
> (**) A "virtual channel" in the cable world is something like
> channel 2 (NBC), channel 3 (CBS), etc.  Under the covers
> there is a translation from the Cable virtual channel to a
> frequency/program combination.  That translation is downloaded
> to the CableCard (along the authorization to decode) in the
> background.
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>

I think I have it now :)
There is no multiple recordings per tuner on the same transponder using an
OCUR device vs the pcHDTV5000.
Thanks
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