[Ardour-Users] jack sample rate
DA. Forsyth
steampipe at iwr.ru.ac.za
Wed Apr 23 00:37:46 PDT 2008
On 22 Apr 2008 at 21:36, John Rigg murmured decisively:
> On Tue, Apr 22, 2008 at 07:24:10PM +0100, John Rigg wrote:
> > ALSA should definitely _not_ be doing resampling with pro/semi-pro
> > hardware like this. It would destroy performance.
>
> This could be the problem. IIRC recent versions of ALSA
> use plughw (which uses software resampling) as the default device
> instead of hw:0 like older versions. If this is indeed the case,
> the hardware device will have to be specified in the command when
> starting jackd, eg.:
>
> jackd -R -d alsa -d hw:0 -r 44100 (assuming your card is hw:0)
>
> Try starting jackd with that on the command line. If it works,
> check that qjackctl is using a similar command, ie. with the -d hw:0
> (or whatever hw: number your card is) option.
>
> John
thanks John, I'll do that. it may have been reset when I upgraded to FC6,
eh? I'm reasonably certain it used to be pointed at hw:0
--
David http://iwr.ru.ac.za/~iwdf/
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