Hi, Trying installing pd and get it to run under mac os x I still dont get the audio to work. After typing pd in the terminal pd appears but at the command line the following error msg come up: Error number -9997 occured opening portaudio stream Error message: Invalid device ID. I also tried to start it by using /pd -nomidi -audiooutdev 1 but still the same. In the audio setup menu the built in audio device is selected. It is a G4 DP 800 machine. Thx, Christian