[mythtv-users] ananolg tuner recommendations

Don B mythlist at bossung.net
Wed Jan 20 13:59:20 UTC 2010


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> Message: 7
> Date: Tue, 19 Jan 2010 18:25:18 -0500
> From: Mark <fairlane at springcom.com>
> Subject: Re: [mythtv-users] ananolg tuner recommendations
> To: Discussion about mythtv <mythtv-users at mythtv.org>
> Message-ID: <4B563F5E.9070704 at springcom.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> Brian Wood wrote:
> > It's certainly cheaper to just let the CPU do the job, as opposed to putting 
> > compression hardware on the card. It's the old "WinModem" theory. Now that 
> > most Windows machines being sold are way overpowered for what the buyers need, 
> > it almost makes sense.
> >
> > Most buyers just want to watch TV on their Windows machines, and buy based on 
> > price, this does not lead to many cards optimized for Myth systems. As you 
> > said, there weren't that many of them even before the digital changeover.
> >
> > Maybe we need a reverse Broadcom Crystal HD module, to handle compression.
> >   
> I don't know that it is cheaper to do it in cpu cycles or not, my gut 
> feel is not, seems like dedicated hardware
> can do it with less watt input than cpu.  I know that my proc didn't go 
> into low power mode while the tuners were
> recording, that's for sure.  I couldn't believe how much power it was 
> taking to record two streams at once.
> The quad 6600 isn't exactly a lightweight proc.   I still like the 
> Nvidia ION approach to things.  Keep the watts
> on the grid when I can, it doesn't do me any good to pay for them....  :)
> ------------------------------
> Message: 8
> Date: Tue, 19 Jan 2010 16:29:33 -0700
> From: Brian Wood <beww at beww.org>
> Subject: Re: [mythtv-users] ananolg tuner recommendations
> To: Discussion about mythtv <mythtv-users at mythtv.org>
> Message-ID: <201001191629.33359.beww at beww.org>
> Content-Type: Text/Plain;  charset="iso-8859-1"
> On Tuesday 19 January 2010 04:25:18 pm Mark wrote:
> > I don't know that it is cheaper to do it in cpu cycles or not, my gut
> > feel is not, seems like dedicated hardware
> > can do it with less watt input than cpu.
> > 
> The manufacturers do not care about power efficiency for the end user. By 
> "cheaper" I meant for the card makers.
> ------------------------------

Thanks everyone for the information, the discussion was quite
enlightening.
Don




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