Jittering sound on streaming

[Wojciech Puchar]

> Wojciech Puchar wrote:
>> try setting rtprio on your streaming app and check if it still persist
> Great, that really worked!

unix is not realtime OS. rtprio make process "realtime", which mostly 
works. true realtime task will be if it will lock it's memory to prevent 
swapping.
in reality constantly used pages are never swapped so it's not a problem.

for me it was (is) a requirement with ports/net/asterisk.