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Using the Groove FX section
The Groove FX section can apply a number of non-destructive real-time processes to change the feel of the Groove engine's output. As well as making Grooves sound more 'humanized' or more mechanical, you can adjust the dynamics, complexity and amount of swing-style syncopation.
With the Power deactivated, Grooves are played exactly as their contents dictate.
Expanded Groove FX controls
The Compress control reduces the range of dynamic variation of the Groove engine output - as it is increased, the velocity of quieter events is increased. Turning it all the way to the right makes all events play at the maximum velocity, assuming that other Groove FX processes that affect event velocity are inactive. This function should not be confused with an audio compressor - it is instead an event velocity compressor, the effect of which is akin to telling a drummer to use less intense accenting or, at extreme settings, to play every hit at exactly the same intensity.
The Weight control allows you to scale up or down the velocity of playing Groove events - this is like asking a drummer to play more softly or harder overall. It is useful as a 'makeup velocity gain' control when used in conjunction with the Compress control. The Weight parameter works in a similar way to the Dyn control in the BFD3 Dashboard although it applies only to the Groove engine. Any triggering of articlulations via the Key Map is unaffected.
The Hum. Vel. (Humanize Velocity) control applies varying degrees of randomization to Groove event velocities - subtle settings recreate the effect of human variance when a real drummer plays.
The Simplify control dials in an algorithm that selectively mutes events in terms of 'importance' to the Groove. It could be described as a 'complexity gate', with the control acting as a threshold parameter. It is very useful if you find a Groove to be too 'busy' – for example, with a lot of ghost notes that intrude upon the rest of your song too much.
The function judges events based on their velocity and distance from the current Quantize grid settings. At smaller settings, low velocity events that are a subtantial distance from the quantize grid division are muted. As the parameter is increased, more and more events are removed in order to further simplify the Groove.
Applying Groove FX destructively
Any randomization-based functions are, of course, entirely random - if the end result is undesirable, use the Undo function and try again.
Apply FX to all Grooves in Palette
This function is similar to the above, except all the Grooves in the Palette are destructively processed with the current Groove FX settings.