title: Processing.org : Failed to play mp3 files
body: <p>I wrote a game by Processing and I need to play some mp3 files in this game. However, my desktop computer failed to play this sound files due to this error :</p>
  
  <p>p.s. I tested the code in other notebook / desktop computer and it is OK to play the sound. What should I do ? Thanks!</p>
  
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  <p>12月 11, 2019 9:54:15 上午 com.jsyn.devices.javasound.JavaSoundAudioDevice 
  資訊: JSyn: default output latency set to 80 msec for Windows 10
  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$EngineThread.run(Unknown Source)
  java.lang.NullPointerException
      at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundInputStream.read(Unknown Source)
      at com.jsyn.devices.javasound.JavaSoundAudioDevice$JavaSoundInputStream.read(Unknown Source)
      at com.jsyn.engine.SynthesisEngine$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)</p>
  
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