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

Rudy Zijlstra mythtv at edsons.demon.nl
Fri Oct 14 02:58:27 EDT 2005


Kevin Kuphal wrote:

> Joe Votour 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).
>>  
>>
> You can capture ATSC HD with an HD-3000 or an Air2PC card as well as 
> firewire.  Both are supported.  I believe there are DVB cards for 
> non-US HD capture as well.

Any DVB card can capture HD, provided HD is available. This is 
irrespective of whether it is MPEG-2 HD or H.264.

Rudy

P.S. I'm curious when DVB-S2 cards will appear on the market.


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