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The autofilter is a filter that can have its cut-off frequency altered either by the inputed signal or by its side-chain input (if used).

  1. attack - How fast the filter movement will reach its maximum depth.
  2. release - How fast the filter will move back to its initial frequency (see frequency).
  3. hold - Sets the duration the filter will stay at its maximum depth.
  4. gain - Boosts the gain of the signal.
  5. filter mode - The filter has 4 Modes: lowpass, lowpass inverted, hipass and hipass inverted.
  6. frequency - This parameter allows control over the filter's cut-off frequency.
  7. resonance - Allows control over the filter's resonance. NOTE: Don't turn it up too much, possible damage to your ears and mind.
  8. depth - Depth and direction of the filter movement.
  9. threshold - The threshold sets the filter's sensitivity, when will the the filter movement start.
  10. dry/wet - The dry/wet parameter lets you blend between the original (dry) and the filtered signal (wet). Turning the dry/wet to 0% will mean that the signal will pass through the device unchanged.
  11. side-chain - If a second signal is inputed into the autofilter's side-chain then the filter will react on the side-chain input instead of the main input signal.

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  • For a better overview of your requests, we ask you to post questions about help for this device on our HELP board Support

    And if you have found a bug, post it here at the bug reports Bug Report


  • what is an inverted low pass? :/

    • The inverted versions of the two filters (low pass and hi pass) react inversely to the loudness of the input signal.

  • So if my track doesn't get to, say, 12 db the filter won't start to move? sorry i don't understand the purpose of the 'threshhold' knob, what am i supposed to do with it during production?

    • The threshold sets the signal level above which the filter cutoff frequency will start following it. If the level of the input signal (or side-chain signal) is below the threshold, the filter cutoff won't change. If the level crosses the threshold, the filter cutoff will start following it. Here's a template I did a while ago to illustrate it:

  • if the attack/release on the synth is long should the filter attack/release be the same or am i having a misudnerstanding?

    • Not necessarily. It really depends on the desired relationship between amplitude movement and filter cutoff movement.

  • Very handy when you have a bassy mid-bass (or brilliant bass) and you want the low end to be filtered out to clear up space for kicks (sidechain)....this makes sense :thinkky: