This is usually due to Pd starting up too quickly with -nogui and not setting up the audio in time.
I assume you're using a loading to turn on DSP in the patch, try adding a delay ala: [loadbang] | [delay 100] | [ pd dsp 1; < > I have an Odroid-XU4 running Ubuntu 16.04.3 LTS and I'm running > Pd-0.48-1 on it. I want to enclose it and use it headless so I'm > launching Pd on boot via crontab. This is what I've written in crontab: > > @reboot sleep 30 ; pd -alsa -audiodev 3 -inchannels 2 -outchannels 4 > -nogui -open > /home/odroid/Documents/Pd/3dPd/Pd_patches/modular_synthesizer.pd & > > Half of the times I'm booting up the Odroid, Pd won't make any sound. I > have an LED controlled by a Teensy, which gets input from Pd when the > DSP goes on (through [r pd] -> [route dsp]), and it indicates that the > DSP is indeed on. > > Is there some known issue, or anyone has something in mind? -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>
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