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HoRNet SongKey MK3

Key Detector Plugin by HoRNet
HoRNet SongKey MK3
HoRNet SongKey MK3 by HoRNet is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
System Requirements
Vista and later
System Requirements
macOS 10.7 and later
Copy Protection
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HoRNet SongKey MK3 is the all new third version of HoRNet's key recognition tool, but it doesn't do simple key recognition, it's also capable of detect the chord being played and the song tempo. It also has MIDI input (to be able to detect chords and key of MIDI tracks) and MIDI output for the recognised chords so you can record them and edit the track for your own needs.


  • Artificial Intelligence driven key identification that follow key changes.
  • Realtime audio and MIDI chord detection.
  • Confidence display for each found key.
  • Key and Chord chromagram that shows each note level.
  • Sample mode for short sample analisys.
  • Realtime tempo detection.
  • MIDI output of detected chords.
  • Sharp and Flat notation.
  • Resizable vector GUI.
  • Mac OS X (>=10.7) and Windows support.
  • 64-bit compatibility both on Mac and Windows.
  • Audio Units VST2.4, VST3 and AAX format.

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