[linux-audio-user] alsa rme96 jack - 186 msec latency?
Eric Dantan Rzewnicki
rzewnickie at rfa.org
Thu Sep 8 20:48:59 EDT 2005
On Fri, Sep 09, 2005 at 02:02:07AM +0200, Michael Rudolf wrote:
> Eric Dantan Rzewnicki wrote:
> > We have a boatload of RME Digi96/8 PADs here at RFA. We're starting to
> > use them in linux boxes. I'm not sure what exactly the differences
> > between the PSTs and PADs are, but so far it appears the PAD supports
> > only 1024 x 2 or 256 x 2. At least, those are the only two combinations
> > I can start jack with when using one of these cards.
> PAD has AES/EBU as XLR, otherwise they are the same. What do you mean by "x
> 2"? For me, it's 1024 x 8 or 256 x 32 as in frames x periods.
> Btw, I got the latency down to 85.3 ms by increasing the sample rate to 96
> kHz. Still no luck with lowering periods.
interesting. i meant 1024 frames, 2 periods and 256 frames, 2 periods.
sorry for the excessive terseness. What versions of alsa and jackd?
kernel 2.6.13, alsa-1.0.9, jack 0.100.0
debian sarge (mostly) with a few things (alsa, jack, libsndfile, etc.)
backported from etch.
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