Logic Pro advanced quantization parameters

When Enable Complete Features is selected in Logic Pro > Preferences > Advanced, you can quantize regions with greater precision using the advanced quantization parameters in the Region inspector. Using the advanced parameters, you can apply a swing or other quantize feel to MIDI regions. Not all advanced quantization parameters are available for audio regions.

Advanced quantization parameters in the Region inspector include the following:

Figure. A pair of images showing audio and MIDI region quantization parameters in the Region inspector.

In the Region inspector, the Q-Swing field is located below the Quantize pop-up menu. The other advanced quantization parameters are available by clicking the More disclosure arrow. They can be applied to any quantization value (except “off”).

Q-Swing: Alters the position of every second point in the current quantization grid. Values over 50% delay the beats; values under 50% pre-delay (advance) them. The most practical settings are between 50% and 75%, which give a swing feel to strictly quantized (or tightly played) regions.
Q-Strength: Determines how far a note or transient marker is shifted toward the nearest grid position. A value of 100% results in full quantization, and 0% leaves the note or transient marker at its recorded position.
Q-Range: Defines which notes are quantized based on their proximity to quantization grid positions. At the default value of 0, every note is quantized. At positive Q-Range values, only notes outside the set range (that is, farther away from the grid position) are quantized, and notes in the range keep their original position. At negative Q-Range values, only notes in the set range are quantized, and notes outside the range remain unchanged. The amount by which notes shift toward the grid positions depends on the Q-Strength setting.
For example, with Q-Range set to 20 ticks and Q-Strength to 50%, only notes that are more than 20 ticks off are quantized. Those notes are quantized by 50%, which improves the timing without making the performance sound mechanical.
Q-Flam: Spreads out notes with the same time position, such as chords. Positive values produce an ascending (upward) arpeggio, negative values a descending (downward) arpeggio. The position of the first note (either the bottom or top note) is unaltered.
Q-Velocity: Determines how much the velocity values of quantized notes are affected by the velocity values of a template MIDI region. At a value of 0%, the notes retain their original velocity. At 100%, they adopt the velocity values of the template. Negative values alter the velocity, making the deviation from the template even greater.
Q-Length: Determines how the lengths of quantized notes are affected by the equivalent note lengths (notes at the same position) of a template MIDI region. A value of 0% has no effect, whereas at 100% the notes adopt the exact note lengths of the template region. Negative values alter note lengths further, resulting in a more significant deviation from the template.

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