FabFilter Twin 2 online help

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Polyphony and unison

FabFilter Twin 2's polyphony and unison settings are located at the bottom of the interface:

FabFilter Twin 2 - Polyphony and unison

As you would expect, you can use FabFilter Twin in either Mono or Poly mode. In Poly mode, the Voices setting determines the number of voices that can be played simultaneously. Depending on the complexity of the current patch, you should set this to a value that your computer can comfortably handle to avoid glitches while playing.

In both modes you can specify the number of unison voices. When using unison, multiple voices will be activated for each key that you play. Those voices will be panned from left to right, and can be slightly detuned relative to each other using the Spread parameter. Using unison will make you patches sound much more stereo and fat. Try it!

  • The mono mode of FabFilter Twin 2 uses last-note priority, so the last key pressed determines the frequency that you hear. When you release a key, the frequency slides back to the second-last key pressed, and so on.
  • The Voices setting always sets the maximum number of simultaneous voices. If Unison is higher than 1, more than one voice will be used at a time from the maximum number. For example, if you have Voices set to 16, and Unison to 4, you can play four different keys at a time. Of course, using a high number of voices, unison or not, will cause high CPU usage.
  • Believe it or not, but the Unison Spread parameter is a modulation target. You could, for example, increase the spreading gradually while a note is played by modulating it with an envelope generator.

Next: Output controls

See Also

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