I have installed the realtime lsm kernel module so that I can run jackd in realtime mode as a user. When I start jack I get messages that the module alsa_pcm has xruns. Now being novice jack user I am not sure if these are bad. If they are how do I remove them? For example:
**** alsa_pcm: xrun of at least 0.275 msecs
When I run jack I also find that I get a very high pitched frequency
sound coming from the computer. If I use qjackctl to start it I can hear
the sound and will not hear the sound when I turn off jack.
My quest is to minimize the noise I get from the computer and eliminate
any inefficiencies in the setup so that my system can work the best for
playing back a composition I did.
Stephen
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