[linux-audio-user] alsa rme96 jack - 186 msec latency?

Eric Dantan Rzewnicki rzewnickie at rfa.org
Thu Sep 8 20:51:34 EDT 2005


On Thu, Sep 08, 2005 at 08:37:19PM -0400, Lee Revell wrote:
> On Fri, 2005-09-09 at 02:02 +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.
> Yes, 1024 or 256 frames at 2 periods per buffer.  Did you try this at
> every sample rate?

I've only tried at 48KHz


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