[linux-audio-user] latencies

Wolfgang Lonien wolfgang at lonien.de
Wed Jul 27 00:44:51 EDT 2005


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Christoph Eckert wrote:
>>>Could someone pls help me on this - because Christophs
>>>tip with nrpacks=1 didn't change anything for me?
> 
> Hm, gave me a third of the latency before (46 vs. 16 msecs).

Hmmm - still no luck here (neither on the older Asus laptop, nor on the
Asus nforce2 board, so it *must* be anything wrong with my setups).

>>Well, my trust in USB soundcards is virtually zero.  Maybe
>>realtime-preempt will help you, maybe the device is the
>>limit, I dont know. You'll have to try.

I checked - the kernel distributed by A/DeMuDi *does* use
realtime-preempt. So that's not the point...

> I've heard that people have achieved 4 msecs on USB devices, 
> though I didn't get it.

Sigh - I cannot change anything to lower than 42 or 46 msecs (depending
if I use 44.1 or 48kHz)... btw can I switch off the whole audio in/out
and try MIDI only for a start?

changed the topic of this one to 'latencies'...

cheers,
wjl
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