[PD-dev] [ pure-data-Bugs-1561839 ] rhythmic glitching on PowerBook G4

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Wed Oct 11 09:22:59 CEST 2006


Bugs item #1561839, was opened at 2006-09-20 03:31
Message generated for change (Comment added) made by zmoelnig
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Category: puredata
Group: v0.40.0
Status: Open
Resolution: None
Priority: 5
Submitted By: Hans-Christoph Steiner (eighthave)
Assigned to: Nobody/Anonymous (nobody)
Summary: rhythmic glitching on PowerBook G4

Initial Comment:

On an Apple PowerBook G4 1.67GHz running 10.4.7, the
sound always had a pulsing glitch on it no matter if
any sound was being generated or not.  When I switched
the output sampling rate to 48000, the glitching went
away.  When I switched back to 44100, the glitching
came back.

I saw this one other time on a PowerBook, but it was
also happening to Audacity.  This time it was only
happening for Pd.  My guess is that its related to
portaudio.

This was on a student's laptop, so I can't test again.

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>Comment By: IOhannes m zmölnig (zmoelnig)
Date: 2006-10-11 09:22

Message:
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experienced something similar on a G4 iBook (of a student,
so don't ask for details...) with an RME fireface.

this only happened with pd-extended (if i only knew the
version...0.38, 0.39??), running vanilla pd-0.39-2 did solve
the problem.

the test was the "test audio and midi" sinewaves.

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