Re: [linux-audio-dev] Real time delay tutorials?

From: Lee Revell <rlrevell@email-addr-hidden-job.com>
Date: Wed Jul 13 2005 - 22:24:17 EEST

On Wed, 2005-07-13 at 12:12 -0700, Iain Duncan wrote:
> > In realtime critical applications people prefer RTLinux or the RTAI extension
> > to the kernel for periods and scheduling latencies in the low microseconds
> > range (<30 microseconds worst case scheduling latency on recent x86
> > hardware).
>
> I've often wondered about that. Why are those sorts of kernels
> inappropriate for audio? ( Just out of curiousity. )

Too heavy. Those systems are designed for things like machine control
where the machine gets damaged if you miss a deadline. A few hundred
microseconds is good enough for audio, and it only has to be at least as
reliable as the rest of your gear.

Lee
Received on Thu Jul 14 00:15:26 2005

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