Hi,
in my case it was clipping.
I had the exact same issue with Zynaddsubfx and amsynth. It only occured
on some presets and when i hold the tone for a while.
Turning down the volume (master volume in Zynaddsubfx) a bit in the
synth fixed it for me. It seemed to me, that the presets are sometimes
set quite loud.
You may also check your jack connections. Once i had an issue, where i
had two paths from the Synth output to my Audio interface, which
resulted in a signal that was much louder than intended due to the
summation of the signal.
It was quite some time ago, so i don't remember if it was just one of
these causes or a combination of both.
Greetings
Markus
On 09/06/2013 11:29 AM, Steve Downes wrote:
I had a similar problem a couple of weeks ago. cleared it as follows:-
Backed off the frames number to the next highest. I wasn't getting
xruns either but I assume it was close to it (or something like
that). Anyway it cleared it.
Hopefully somebody will give you a more technical answer but in the
meantime...
Steve
On Fri, Sep 06, 2013 at 10:14:18AM +0200, Fero Kiraly wrote:
Hi friends,
I have a weird crackling sound (it happens sometines, but often)
it is no xruns.
I am using archlinux->jack->rtirq->presonus 1818VSL=>MIDI keyboard
it happens when i hold long tones with Zynaddsubfx or bristol.
Do you have an idea what it could be ?
thanks.
fero.
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