Re: [linux-audio-user] Opening up the discussion

From: Wolfgang Lonien <wolfgang@email-addr-hidden>
Date: Mon Jul 25 2005 - 16:54:42 EEST

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Christoph Eckert wrote:
>>Wow - I'm dreaming about that; I have some 40-50ms...
>
>
> the same for me some time ago. I was told that latency on USB
> devices isn't limited by the card. I followed the following
> hint to load the snd-usb-audio-module:
>
> modprobe snd-usb-audio nrpacks=1
>
> This reduced my latencies from 46msecs to something around
> 15msecs.

Cool - I will surely try this. Thx a lot :-)

> Before you do so, ensure that the following two kernel
> settings are switched off for your kernel:
>
> [ ] Enforce USB bandwidth allocation (EXPERIMENTAL)
> [ ] Dynamic USB minor allocation (EXPERIMENTAL)
>
> If not, happy kernel building ;-) .

Oha. I knew there would be some *but* ;-) (joking; this wouldn't be the
first kernel I have to build)...

cheers,
wjl

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Received on Mon Jul 25 20:15:13 2005

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