[mythtvnz] Just how cheap could you build a system? Possibly OT.

Nick Rout nick.rout at gmail.com
Wed Jun 6 22:28:19 BST 2012


On Thu, Jun 7, 2012 at 8:02 AM, tortise <tortise at paradise.net.nz> wrote:
> On 7/06/2012 12:37 a.m., Stephen Worthington wrote:
>>
>> On Wed, 06 Jun 2012 20:42:10 +1200, you wrote:
>>
>>> Interesting. I have a dual tuner myth system and I almost never find I
>>> need a third tuner. Do the commercial PVRs support recording more than
>>> one show per mux? Myth does which means you could record simultaneously
>>> every show broadcast by TVNZ and Mediaworks for instance. Or do you
>>> really need to record from all three muxes simultaneously?
>>
>>
>> It is fairly rare for a lot of people to need a third tuner, but it
>> certainly does happen, especially if you watch things on Prime.  My
>> mother almost never does need three, but I typically do at least once
>> a week.  Last year I had at least two periods where I had high
>> priority recordings on all three multiplexes at once recurring each
>> week at the same time.  The TV3+1 channel can help, but that is only
>> broadcast in SD, not HD like TV3.  The really bad problem comes with
>> the preroll and postroll needed to capture an entire programme, given
>> our broadcasters' propensity to say that they really have to broadcast
>> the ads and to hell with the advertised schedule.  The MythTV
>> scheduler will cut off default preroll and postroll and switch to
>> another multiplex when it runs out of tuners and that can cause you to
>> miss the start of a program, or much worse the end.  If you set it up
>> with forced preroll and postroll, it will drop recording of an entire
>> lower priority program, rather than start it when it could after the
>> clash period ended.  So I would recommend three tuners for any heavy
>> TV watcher.
>
>
> IMO there is a case for four tuners, that is three dedicated to recording
> and the fourth one for Live TV covers all cases upto one independent LiveTV
> frontend.  Even that falls over when there are Two independent frontends
> doing independent LiveTV.


are you on 0.24 or 0.25? You can watch livetv while recording on the same mux.



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