Editing Notes
Edit MIDI notes for AI vocals in ACE Studio.
Tools for Notes
There are 3 tools that you can play with for MIDI note editing:

Note Mover

Note mover is the default tool for creating, selecting, moving, and resizing notes. (shortcut key V )
Double click and drag to create a note with specific length.
Click on a note to select it. Drag out a selection box to select multiple notes and create a selection, you can also select multiple notes by clicking the first note and the last note while holding Shift . Then you can move, adjust, delete, cut, copy, duplicate them.
Drag on any note or selected notes to move them.
When moving notes, they will snap to grid by default. Hold Ctrl / ⌘ Command to move without snapping.
You can also use arrow keys ↑ ↓ ← → to move notes. (hold Shift and use ↑ ↓ to shift by octave)
Drag on the left/right edge of a note to adjust its duration (shortcut key Shift + ← →). It snaps to grid by default, hold Ctrl / ⌘ Command to adjust without snapping.
When selecting multiple notes, you can adjust their durations together.
Note Brush

Note brush is a tool for drawing notes. (shortcut key B )
Drag to create a note with specific length. It will snap to grid by default, hold Ctrl / ⌘ Command to move without snapping.
Draw within the range of a note to create a melismatic note.
Drag on an existing note to move it.
Drag on the left/right edge of a note to adjust its duration.
Note Slicer

Note slicer is a tool to create a melismatic note inside a note. (shortcut key X )
Click on a note to split. It will snap to grid by default, hold Ctrl / ⌘ Command to dismiss snap.
Tip: Adding a short grace note (acciaccatura) at the beginning can enhance the natural flow of the melody.
Grid and Snap

Set up Grid and Snap to control how notes align with the grid. This ensures precision when editing melody.
Auto-Narrow: Automatically adjusts the grid size to narrow spacing based on the zoom level of the piano roll.
Auto-Medium (default): Automatically adjusts the grid size to medium spacing based on the zoom level of the piano roll.
Auto-Wide: Automatically adjusts the grid size to wide spacing based on the zoom level of the piano roll.
1-16 Cell/Beat: Divides each beat into 1-16 grid cell.
Snap off: Disables snapping to the grid. Allows free placement of notes and events without alignment to the timeline.
Tips: You can input triplets by selecting 3 Cell/Beat.
Monophonic
In a vocal track, each vocal clip can only support monophonic content (solo melody).
When notes overlap by being moved, the left one will be cut to avoid overlapping.
When importing a MIDI file, all overlapped notes will be turned into melismatic notes.
Chords/Scale Background
Click on the background switch to turn on/off the chords/scale background.
Scale
When the scale background is enabled, tones within the scale will be highlighted.
Click the expand button on the right side to the settings, where you can switch the background view between scale and chords, set up scales and keys, fold all non-scale tones.
Chords
When the chords background is enabled, tones within the chords will be highlighted.
Click the expand button on the right side to the settings, where you can switch the background view between scale and chords, fold all tones out of chords.
To learn about creating a chord progression, please refer to Chord Track.
Preview Sound
When a piano key in the piano roll is clicked, or when a note is clicked, moved, or created, the corresponding pitch will be played in the piano key sound by default. You can click on the speaker icon on the upper left of the piano keys to turn off the sound.
Shortcuts
Use Note Mover Tool
V
Use Note Brush tool
B
Use Note Slicer tool
X
Move notes
↑ ↓ ← →
Move notes by octave
Shift + ↑ ↓
Adjust note duration
Shift + ← →
Dismiss snap
Hold Ctrl / ⌘ Command
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