[LAU] Thinkpad R60 for Audio Update - Firewire Conflicts with Audio

Arnold Krille arnold at arnoldarts.de
Tue Apr 10 07:51:12 EDT 2007


Am Dienstag, 10. April 2007 schrieb Robin Gareus:
> Dmitry Baikov wrote:
> > On 4/10/07, Robin Gareus <robin at gareus.org> wrote:
> >> PCMCIA is ok, but not great for low latency. (adds one extra interface
> >> between PCI bus & sound-card). - the cheap solution is to get a PCMCIA
> >> card for your hard-disk - instead of using the built-in firewire for the
> >> disk. - maybe you want to do that anyway. use the built-in firewire to
> >> an external audio-device and the PCMCIA for storage.
> > Quite the opposite.
> > PCMCIA is great for latency. That "extra" PCI bridge does NOT affect
> > audio latency.
> > Firewire latencies are bigger than PCI/PCMCIA and will always be. Ask
> > Pieter Palmers for details.
> good point. now I start to remember the protocol mess and overhead of
> 1394 audio. - and hope I'll forget about it again soon.. ;)

No, you remember the mess from 1394-detection. Protocol-overhead allows 2x64 
here with my presonus firepod...
And ppalmers stated that firewire will be much better than netjack because of 
fixed latency and guaranteed bandwidth and reaction time.

Arnold

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