Peter Vogel CMI Pro 2.3 brings lots of improvements and fixes

As a fan of Peter Vogel’s CMI Pro I’m glad to see that it’s not abandonware. This is the first update since September 2015, so it’s been a dry patch up until now. But 2.3 is a big update and brings not only fixes but a lot of new things too. Here’s the full list:


  • A new MIDI engine allows connection via the most common Virtual MIDI protocol – OMAC/MidiBus
  • Tapping the on-screen keyboard’s MIDI display brings up a MIDI control panel that allows you to turn on and off all the physical and virtual MIDI inputs, and allows you to connect to Bluetooth Low Energy (BLE MIDI) devices.
  • Now responds to a few MIDI continuous controllers:
  • modulation wheel input: controls vibrato (LFO)
  • controller 7: main amplifier gain
  • controller 10: pan

Please let us know what other controllers you want, doing what.

  • Now responds to MIDI MMC messages if a song has been loaded in Page R:
  • START: starts playing the song from the beginning
  • STOP: pauses song playback
  • CONTINUE: continues playing from where it paused
  • note that although MMC messages are processed, CLOCK IN is not used. The CMI app can not yet synch to an external clock source.
  • Experimental – sends MIDI MMC messages if a song has been loaded in Page R:
  • START: when the song starts playing from the beginning
  • STOP: when the song pauses song playback
  • CONTINUE: when the song continues playing from where it paused
  • CLOCK: (yes, much requested) a standard MIDI 24-ticks-per-quarter-note clock is output while the song is playing.

Please let us know how Clock Out works for you.

  • Allows audio output via Bluetooth


  • Fixes the Page R invisible music keyboard on smaller iPhones
  • Fixes a bug where newly inserted notes in Page R sometimes did not play
  • Fixes edited waveform not playing sometimes; displays warning if edited waveform is not saved
  • Fixes the inability to connect as an IAA input for apps such as Auria
  • Fixes the MIDI pitch wheel input, which was getting stuck at a semitone low.
  • The CMI app is now once again visible in MidiBridge, so it can receive MIDI from non-Core-Midi devices not directly supported by the CMI app.
  • Fixes the crunchy sound on the startup song.

Peter Vogel CMI Pro is on the app store for $49.99:

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