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From the Edit menu, choose MIDI Processes and Filters. The MIDI Processes and Filters dialog is displayed.
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Select the Quantize tab.
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Select your quantization options:
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Item |
Description |
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Quantize start |
Select this check box to force the beginning (note-on messages) of MIDI events to a specified resolution on the grid. |
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Quantize release |
Select this check box to force the end (note-off messages) of MIDI events to a specified resolution on the grid. |
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Preserve duration |
If you selected Quantize start or Quantize release, you can select this check box to maintain the lengths of notes. |
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Quantize grid |
Click an icon to select the resolution of the quantize grid. |
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Tuplet |
Select this check box to set irregular beat boundaries for the quantize grid. For example, to quantize to eighth-note triplet beat boundaries, select the To quantize to sixteenth-note quintuplet beat boundaries, select the |
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Offset by |
Select the check box and type a value in the box to offset the quantize grid by the specified number of ticks. You can type negative values to shift the grid backward. |
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Swing |
Drag the slider to add a swing to the quantize grid. When you set this slider to 0, notes are quantized directly to the grid. Increasing the setting shifts every other grid boundary forward: set to 300% to shift every other grid boundary to the next grid division. |
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Strength |
Drag the slider to adjust how strictly you want to quantize. For example, to quantize directly to the grid, set the slider to 100%. If you set the slider to 50%, a note that would be shifted 40 ticks is moved only 20 ticks. |
button, choose the 
button, choose the -
Select the tracks or events you want to quantize:
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If a selected event has note events selected, only the selected notes will be quantized.
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If you want to quantize multiple events on multiple tracks, hold Ctrl or Shift while clicking the events to select them, and then select the tracks.
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Select a track to quantize all events on the track. Hold Ctrl or Shift while clicking a track header to select multiple tracks.
The radio buttons at the bottom of the dialog will track the current selection. If you want to override the current selection for quantization, you can select a different radio button.
Muted tracks will not be quantized.
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Click the Apply button.
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From the Edit menu, choose MIDI Processes and Filters. The MIDI Processes and Filters dialog is displayed.
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Select the Velocity tab.
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Select a check box to indicate whether you want to edit note-on or note-off velocities:
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Item |
Description |
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Change Start Velocity |
Select this check box to edit note-on velocities. |
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Change Release Velocity |
Select this check box to edit note-off velocities. |
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Select a radio button to indicate how you want to change velocity:
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Item |
Description |
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Invert |
Select this radio button to invert selected note velocities. When you invert a velocity, it is subtracted from 127 (negative values are forced to positive), so a note with a velocity of 127 will be 0 after inversion, a velocity of 10 will be 117, and so on. |
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Set to |
Select this radio button and drag the slider to change note velocities to a specific value. |
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Add |
Select this radio button and drag the slider to add (or subtract) a constant offset to selected note velocities. |
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Scale by |
Select this radio button and drag the slider to multiply selected note velocities by a percentage. For example, setting this slider to 50% would reduce all note-on or note-off velocities by half. |
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Limit |
Select this radio button and type values in the Min and Max boxes to restrict selected note velocities to the specified range. For example, if you type 40 in the Min box and 90 in the Max box, velocities below 40 will be set to 40, velocities greater than 90 will be set to 90, and velocities between 40 and 90 will be unaffected. |
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Change over time |
Select this radio button and type values in the From and To boxes to change velocity values gradually over time. The velocity for the first note in the selection is set to the From value, and the velocity for the last note in the selection is set to the To value. Select the By percentage check box to change velocity over time based on the current values. For example, to fade a selection in, select the By percentage check box and type 1 in the From box and 100 in the To box. To fade a selection out, type 100 in the From box and 1 in the To box. Drag the Curve slider to choose the fade curve that will be used to generate velocity for notes between the first and last note. |
Note-on velocities are bound between 1 and 127, and note-off velocities are bound between 0 and 127.
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Select the tracks or events you want to edit:
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Select a track to edit all events on the track. Hold Ctrl or Shift while clicking a track header to select multiple tracks.
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If you want to edit multiple events on multiple tracks, hold Ctrl or Shift while clicking the events to select them, and then select the tracks.
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If a selected event has note events selected, only the selected notes will be edited.
Muted tracks will not be edited.
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Click the Apply button.
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From the Edit menu, choose MIDI Processes and Filters. The MIDI Processes and Filters dialog is displayed.
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Select the Duration tab.
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Select a radio button to indicate how you want to change note duration:
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Item |
Description | ||||||
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Change by |
Select this radio button, and then choose a setting from the drop-down list:
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Scale by |
Select this radio button and drag the slider to multiply selected note durations by a percentage. For example, setting this slider to 200% doubles note durations. Select the Change start times check box if you want to change the start times of notes while changing duration. For example, if you set the Scale by slider to 50% and select the Change start times check box, you can compress notes so they play in double time. If you set the Scale by slider to 50% and clear the Change start times check box, note durations will be shorter, but their positions on the timeline will not change. | ||||||
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Limit |
Select this radio button and choose Min and Max values to restrict note durations to the specified range. For example, if you choose an eighth note as the Min setting and a half note as the Max setting, sixteenth notes will be changed to eighth notes, and whole notes will be changed to half notes. Notes between the Min and Max settings are unaffected. |
next to the selected note size and choose the desired note duration from the menu. Choose -
Select the tracks or events you want to edit:
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Select a track to edit all events on the track. Hold Ctrl or Shift while clicking a track header to select multiple tracks.
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If you want to edit multiple events on multiple tracks, hold Ctrl or Shift while clicking the events to select them, and then select the tracks.
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If a selected event has note events selected, only the selected notes will be edited.
Muted tracks will not be edited.
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Click the Apply button.
Processing and Filtering MIDI Events |
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From the Edit menu, choose MIDI Processes and Filters to apply destructive editing to MIDI events on the timeline. You can quantize data in events, edit velocity values, change the duration of an event, or transpose MIDI data.
What do you want to do?
Quantize a MIDI event
Edit velocity
Edit duration
