None of the sound libraries work for me under with Processing 3.5.4 on Linux Mint 20. The basic Sound , Beads and Minim all give the same error when trying to run any of their included demo sketches :
javax.sound.sampled.LineUnavailableException: line with format PCM_SIGNED 44100.0 Hz, 16 bit, stereo, 4 bytes/frame, little-endian not supported.
at com.sun.media.sound.DirectAudioDevice$DirectDL.implOpen(DirectAudioDevice.java:513)
at com.sun.media.sound.AbstractDataLine.open(AbstractDataLine.java:121)
at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundInputStream.start(Unknown Source)
at com.jsyn.engine.SynthesisEngine$EngineThread.run(Unknown Source)
javax.sound.sampled.LineUnavailableException: line with format PCM_SIGNED 44100.0 Hz, 16 bit, stereo, 4 bytes/frame, little-endian not supported.
at com.sun.media.sound.DirectAudioDevice$DirectDL.implOpen(DirectAudioDevice.java:513)
at com.sun.media.sound.AbstractDataLine.open(AbstractDataLine.java:121)
at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundOutputStream.start(Unknown Source)
at com.jsyn.engine.SynthesisEngine$EngineThread.run(Unknown Source)
java.lang.NullPointerException
at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundOutputStream.write(Unknown Source)
at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundOutputStream.write(Unknown Source)
at com.jsyn.engine.SynthesisEngine$EngineThread.run(Unknown Source)
java.lang.RuntimeException: AudioInput stop attempted when no line created.
at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundInputStream.stop(Unknown Source)
at com.jsyn.engine.SynthesisEngine$EngineThread.run(Unknown Source)
java.lang.RuntimeException: AudioOutput stop attempted when no line created.
at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundOutputStream.stop(Unknown Source)
at com.jsyn.engine.SynthesisEngine$EngineThread.run(Unknown Source)
All other scripts work, examples, I/O video, etc.
Sound works on the computer no issues - even Java sound demos (I tried this one Java Sound API: Java Sound Demo ) work fine.
Any suggestions on where to even start exploring this? I’ve already reinstalled Processing with no luck.
Thanks -
Rob A.