[mythtv-users] HDHomeRun

Mark (home) fairlane at springcom.com
Thu Aug 3 01:33:26 UTC 2006

On Wednesday 02 August 2006 12:24 am, jafa wrote:

> Chances are your computer already has gigabit ethernet... if you start
> to see problems then add a gigabit switch and you should be good.

Heh...  ever price an enterprize level gigabit switch....  ?
I can barely tolerate my high-ish end SOHO 3com 10/100 switches.  They go 
flaky about once a month or so.
> The HDHomeRun has hardware PID filtering and most HDTV streams are a
> little under 10Mbps per channel so your typical throughput for two
> tuners would be around 20Mbps.
> Regardless of the interface (PCI, USB, Firewire, Ethernet) you have the
> same bandwidth requirement. Ethernet as a protocol is very low overhead
> and the linux drivers are usually very good. USB in particular is bad
> for overhead. PCI cards usually don't do PID filtering so your computer
> has to process the full stream bandwidth even though it is going to
> throw the other sub channels out.
> Nick

Good point.  I'll think about that one...

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