[PD] audio problem on OSX with a particular mixer

Hans-Christoph Steiner hans at at.or.at
Tue Apr 13 18:29:24 CEST 2010

There were audio issues with 10.6, try a recent nightly build of Pd- 
extended 0.42.5:



On Mar 18, 2010, at 3:53 PM, rene beekman wrote:

> i'm running into a strange problem with a particular mixer, a  
> behringer dx626. I've got the headphones/lineout of my intel macbook  
> (running os 10.6.2) connected to one of the line-ins on the mixer.
> audio playback through the mixer works fine from itunes or from the  
> finder.
> when i switch to pd, however, audio keeps switching on and off at a  
> rate of about 2 or 3 times a second.
> i've tried fiddling with the Pd settings to solve this, but have not  
> been able to find a solution so far.
> i'm using portaudio, sampling rate 44100, delay 50ms, no callbacks,  
> input and output devices are set to built-in mic & output.
> changing any of these settings does not make any difference.
> tonight i installed jack and this did solve the problem.
> while i'm glad i've found a solution, i hate not understanding why  
> it works....
> anyone any suggestions or pointers? :)
> thanks
> rene
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All mankind is of one author, and is one volume; when one man dies,  
one chapter is not torn out of the book, but translated into a better  
language; and every chapter must be so translated.... -John Donne

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