MIDI Devices Preferences

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Accessed by: Edit > Preferences > MIDI Devices    (on a Mac Audacity > Preferences > MIDI Devices )
Devices PreferencesPlayback PreferencesRecording PreferencesMIDI Devices PreferencesQuality PreferencesInterface PreferencesTracks PreferencesTracks Behaviors PreferencesSpectrograms PreferencesImport/Export PreferencesExtended Import PreferencesLibraries PreferencesDirectories PreferencesWarnings PreferencesEffects PreferencesKeyboard PreferencesMouse PreferencesModules PreferencesClick on this in Audacity to get helpPreferences MIDI Devices.png
Click for details
Click in the left column for other preferences
MIDI Devices Preferences.


The interface that Audacity should use through PortMidi. The available options depend on the OS, but there is only one option for each OS:

  • On Windows, it is MMSystem.
  • On Mac, it is CoreMIDI.
  • On Linux, it is ALSA.


  • Device: The MIDI device to play to.
  • MIDI Synthesizer Latency (ms): The latency field enables compensation for a MIDI device that has latency between receiving events and actually playing them - it provides a way to synchronize audio.