Logic Pro User Guide for iPad
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- What is Logic Pro?
- Working areas
- Work with function buttons
- Work with numeric values
- Undo and redo edits in Logic Pro for iPad
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- Intro to tracks
- Create tracks
- Create tracks using drag and drop
- Choose the default region type for a software instrument track
- Select tracks
- Duplicate tracks
- Reorder tracks
- Rename tracks
- Change track icons
- Change track colors
- Use the tuner on an audio track
- Show the output track in the Tracks area
- Delete tracks
- Edit track parameters
- Start a Logic Pro subscription
- How to get help
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- Intro to recording
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- Before recording software instruments
- Record software instruments
- Record additional software instrument takes
- Record to multiple software instrument tracks
- Record multiple MIDI devices to multiple tracks
- Record software instruments and audio simultaneously
- Merge software instrument recordings
- Spot erase software instrument recordings
- Replace software instrument recordings
- Capture your most recent MIDI performance
- Route MIDI internally to software instrument tracks
- Record with Low Latency Monitoring mode
- Use the metronome
- Use the count-in
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- Intro to arranging
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- Intro to regions
- Select regions
- Cut, copy, and paste regions
- Move regions
- Remove gaps between regions
- Delay region playback
- Trim regions
- Loop regions
- Repeat regions
- Mute regions
- Split and join regions
- Stretch regions
- Separate a MIDI region by note pitch
- Bounce regions in place
- Change the gain of audio regions
- Create regions in the Tracks area
- Convert a MIDI region to a Session Player region or a pattern region
- Replace a MIDI region with a Session Player region in Logic Pro for iPad
- Rename regions
- Change the color of regions
- Delete regions
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- Intro to chords
- Add and delete chords
- Select chords
- Cut, copy, and paste chords
- Move and resize chords
- Loop chords on the Chord track
- Color chords on the Chord track
- Edit chords
- Work with chord groups
- Use chord progressions
- Change the chord rhythm
- Choose which chords a Session Player region follows
- Analyze the key signature of a range of chords
- Create fades on audio regions
- Extract vocal and instrumental stems with Stem Splitter
- Access mixing functions using the Fader
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- Intro to Step Sequencer
- Use Step Sequencer with Drum Machine Designer
- Record Step Sequencer patterns live
- Step record Step Sequencer patterns
- Load and save patterns
- Modify pattern playback
- Edit steps
- Edit rows
- Edit Step Sequencer pattern, row, and step settings in the inspector
- Customize Step Sequencer
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- Intro to mixing
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- Channel strip types
- Channel strip controls
- Peak level display and clipping
- Set channel strip volume
- Set channel strip input format
- Set the output for a channel strip
- Set channel strip pan position
- Mute and solo channel strips
- Reorder channel strips in the Mixer in Logic Pro for iPad
- Replace a patch on a channel strip using drag and drop
- Work with plug-ins in the Mixer
- Search for plug-ins in the Mixer in Logic Pro for iPad
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- Effect plug-ins overview
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- Instrument plug-ins overview
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- ES2 overview
- Interface overview
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- Modulation overview
- Use the Mod Pad
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- Vector Envelope overview
- Use Vector Envelope points
- Use Vector Envelope solo and sustain points
- Set Vector Envelope segment times
- Vector Envelope XY pad controls
- Vector Envelope Actions menu
- Vector Envelope loop controls
- Vector Envelope point transition shapes
- Vector Envelope release phase behavior
- Use Vector Envelope time scaling
- Modulation source reference
- Via modulation source reference
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- Sample Alchemy overview
- Interface overview
- Add source material
- Save a preset
- Edit mode
- Play modes
- Source overview
- Synthesis modes
- Granular controls
- Additive effects
- Additive effect controls
- Spectral effect
- Spectral effect controls
- Filter module
- Low, bandpass, and highpass filters
- Comb PM filter
- Downsampler filter
- FM filter
- Envelope generators
- Mod Matrix
- Modulation routing
- Motion mode
- Trim mode
- More menu
- Sampler
- Studio Piano
- Copyright
Overview of the Piano Roll Editor in Logic Pro for iPad
The main tasks in the Piano Roll Editor are viewing and editing the content of a MIDI region, which are MIDI events and region automation. It provides a close-up view of the software instrument track selected in the Tracks area, showing all its MIDI regions on that single track lane (the working area of the Piano Roll Editor). The MIDI notes, displayed as horizontal bars in a time grid and a specific color code, can be edited with various tools. The vertical lines in the working area (extending to the ruler on top) show the time position, while horizontal lines indicate pitch referenced to a vertical keyboard along the left edge. The Piano Roll Editor displays its own playhead, ruler, and cycle area linked to the Tracks area.
The main controls in the Piano Roll Editor are located in its menu bar above the working area.
View buttons: You can choose the Default View button
(for editing notes) or the Automation View button 
(for editing region automation).Function buttons: The function buttons in the center let you choose the edit modes. They change the functionality of gestures like tap, drag, touch and hold, and so on.
Trim button: Use the Trim button
to trim and move or copy notes. This is the default mode that also lets you select individual notes or open their shortcut menus. In this mode you also open the shortcut menu of the working area.Pencil button: Use the Pencil button
to add and delete notes. It also lets you trim notes and copy notes.Brush button: Use the Brush button
to add a series of notes. It also lets you delete a note when you touch and hold it.Velocity button: Use the Velocity button
to edit note velocities.
Modifier buttons: Next to the function buttons are up to two additional buttons that modify the functionality of the current edit mode.
Multiple Select button: The Multiple Select button
lets you select multiple notes or automation points. When selected, it temporarily deselects the current function button.You can momentarily enable Multiple Select mode when you touch and hold the Multiple Select button (or press and hold the Shift key on your external keyboard), tap the notes you want to select, and then release the button or key to deselect it.
Copy Mode button: When the Copy Mode button
is selected, dragging any note copies the note instead of moving it.You can momentarily enable Copy mode when you touch and hold the Copy Mode button (or press and hold the Option key on your external keyboard), drag the notes you want to copy, and then release the button or key to deselect it.
Additional controls: On the right side of the menu bar is the Snap pop-up menu to set the Snap value, the More button
to set various view settings, and the resize handle 
to resize the Editors area vertically.
Auto zoom and auto scroll
When you select one or more MIDI regions in the Tracks area and open the Piano Roll Editor, its working area auto zooms and auto scrolls to show the notes of the selected regions. With a single region selected, the working area ranges from the left border to the right border of the selected region. With multiple regions selected, the working area ranges from the left border of the first selected region to the right border of the last selected region.
With the Piano Roll Editor open, you can manually scroll and zoom the working area horizontally and vertically.
Show or hide the Piano Roll Editor
In the Tracks area menu bar, tap the Trim button
.Tap a MIDI region.
Tap the Editors button
in the middle of the view control bar.The Piano Roll Editor opens below the Tracks area.
To hide the Piano Roll Editor, do any of the following:
Tap the Editors button
.Double-tap the view control bar.
This gesture closes all areas except the Tracks area.
Resize the Piano Roll Editor vertically
Do any of the following:
On the right side of the Piano Roll Editor menu bar, drag the resize handle
(or the menu bar) up or down.Dragging it all the way down closes the Piano Roll Editor.
Tap the resize handle
to increase the view of the Piano Roll Editor to its maximum position (which minimizes the Tracks area to show only a single mini track).Tap the handle again to return the editor to its previous size.
Note: To hide the Tracks area completely, drag the resize handle all the way up.
Show note labels in the Piano Roll Editor
Tap the More button
on the right side of the Piano Roll Editor menu bar, then choose Show Note Labels.
When this option is selected, the horizontal note bars in the working area show their note pitch and note velocity (if the working area is zoomed in far enough).
Set note colors in the Piano Roll Editor
Tap the More button
on the right side of the Piano Roll Editor menu bar, then tap Set Note Color in the menu and choose one of three options:By Region Color: Colors notes to correspond with the color of the MIDI region.
By Velocity: Colors notes to show their MIDI note velocity.
The increasing velocity value from 1 to 127 is reflected by gradually changing colors from purple to blue, to green, to red.
By MIDI Channel: Colors notes to correspond with the MIDI channel value embedded in the note event.
Each MIDI channel has a dedicated color.
Preview notes in the Piano Roll Editor
In the Piano Roll Editor menu bar, tap the Trim button
or Velocity button , then touch and hold a note bar.To preview the note again, you have to tap outside to deselect it first, and then tap the note again.
The vertical keyboard on the left highlights the corresponding key of the selected note. You can also tap this keyboard to play notes.
Choose an edit mode in the Piano Roll Editor
In the Piano Roll Editor menu bar, tap any of the four function buttons: Trim
, Pencil , Brush , or Velocity .Each button, when selected, shows on the right side up to two modifier buttons, the Multiple Select button
and the Copy Mode button .
Important: Tapping the Multiple Select button to enable it deselects the current function button until you deselect the Multiple Select button.
Set a Snap value in the Piano Roll Editor
In the Piano Roll Editor menu bar, tap the Snap pop-up menu and choose a Snap value.
The Snap value in the Piano Roll Editor is independent of the Snap value set in Tracks view or Automation view.
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