[LAU] Phonic Helix Board 12 FireWireMKIIcompatibility(linux/ffado)

Eric Steinberg eric.steinberg at gmail.com
Mon Feb 9 16:19:54 EST 2009


You mean.....the notes show up before I play them?  Awesome!!!

On Mon, Feb 9, 2009 at 10:00 AM, pete shorthose <zenadsl6252 at zen.co.uk>wrote:

> On Mon, 09 Feb 2009 18:04:40 +0100
> Jörn Nettingsmeier <nettings at folkwang-hochschule.de> wrote:
>
> > Simon W. Fielding wrote:
> > >
> > > OK - I now have a working basic FC10 system - relevant details are :-
> > >
> > > Hardware: Toshiba Tecra M3
> > > Kernel: 2.6.26.8-1.rt15.1.fc10.ccrma.i686.rt
> > > Jackd: jackdmp 1.9.1
> > > ffado: 2.0-0.6.rc1.fc10.ccrma (libffado 1.999.40)
> > >
> > >
> > > Initial cursory testing shows (no recording load, just an idle mixer
> > > with nothing connected) :-
> > >
> > > jackd -R -dfirewire -r96000 -p16 -n3 ... jackd won't even start - uses
> > > too much CPU
> > > jackd -R -dfirewire -r96000 -p32 -n3 ... jackd won't even start - uses
> > > too much CPU
> >
> > these are insanely low settings.
> > i have never *ever* heard of anybody running successfully at -p16 -n3,
> > and you are trying it at 96k. for the rest of us, that would be -p8!
> >
> > imnsho, -p128 should be perfectly fine for 96k. don't waste your time
> > "tuning" your system for latencies below that.
>
> Meh. If you ask me, negative latency is the future.
>
> pete.
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