[PD] [sqosc~]-issues

Roman Haefeli reduzierer at yahoo.de
Sun Mar 25 20:42:14 CEST 2007

hm.. it seems that the previous mail wasn't sent.... here again:

hello martin peach

i tested your external a bit more deep on the 'good' soundcard, where i
can exclude aliasing introduced by the soundcard. it turned out, that a
bit of aliasing is audible in the range above 5000Hz. i think this is
not tooo bad, maybe for 'pure'ists.
but i had serious troubles, when loading some patches, that contain
[sqosc~]. it can happen, that after loading the patch, pd is sending
constantly a dc to my soundcard. even when i close pd, the dc stays on
these channels, where pd was connected before over jack. to get rid of
the dc, i must restart jackd again. because of that, i assume it is
related to jackd (is it possible to crash jackd from pd?). i attached a
test-patch. when loading that patch, jackd (and pd) get unusable for

my system:
ubuntu dapper i386
jackd 0.100.0

when i create a patch from scratch with [sqosc~], i have no troubles. i
get the dc also, when i open the help-patch of [sqosc~].


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