[mythtv-users] Highest number of simultaneous streams recorded?

[Devan Lippman]

On 10/13/05, Joe Votour <joevph at yahoo.com> wrote:
>
> I've recorded three SD streams off of analog cable
> using a PVR-350 and a PVR-500, while watching a fourth
> (or sometimes one of the three). The CPU usage for
> the recording is very low because of the hardware
> MPEG-2 encoders in the capture cards. No loss in
> stream quality.
>
> The question that you ask is very vague, because you
> don't mention what capture hardware you have. An
> analog BT8x8 card is much more CPU intensive than a
> PVR-x50, for instance.
>
> I don't think that you can capture an HD stream
> (though I may be wrong on this). There are no HD
> capture cards that I'm aware of (the bandwidth for HD
> is insanely huge), and the set-top boxes that support
> Firewire output downsample the output (how far, I
> don't know).
>
> Joe
>
> Anand_Inala at Dell.com wrote:
>
> > My apologies if this has been asked and answered
> > already, but I searched
> > the archives and couldn't find the answer.
> >
> > What is the most number of streams anyone on the
> > list has simultaneously
> > recorded without problem? I assume recording 2
> > streams while watching a
> > third has been done, but has it been done with no
> > loss in quality, etc?
> > How about 3 streams? HD + an analog stream? I'd
> > like to get an idea of
> > what my limitations and potentials are before I get
> > too deep in my
> > current project.
> >
> > Andy


I think what might be more of concern here is how much you can write to disk
before your buffers overflow.

--
Thanks,
Devan Lippman <devan at lippman dot net>
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