Laurent Colson has made StepPolyArp, previously an iOS only app available to desktop users. StepPolyArp is available on both platforms for $15.99.
StepPolyArp is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an AUv3 MIDI effect plug-in.
The application and the plugin can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn’t require MIDI input to play.
Features include:
- Standalone application and Audio Unit MIDI effect plugin
- Arpeggiator and step sequencer mode
- 1 to 32 steps programmable matrix
- 11 configurable transposition lines
- Polyrhythmic lines
- 16 patterns by preset
- Automatic chaining patterns
- 8 octaves resizable keyboard
- Multitasking
- Sample-accurate timing
- Internal sound bank
- Tap tempo
- Receiving MIDI from external MIDI sources
- Receiving external MIDI sync (MIDI clock)
- Ableton Link support
- Internal routing of inputs, outputs, and MIDI sync
- Send MIDI to a virtual port that can be used as MIDI input by other “Core MIDI” compatible applications
- Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
- Customizable steps controller MIDI setup
- Arpeggiator and sequencer conform to the selected scale
- 6 arpeggiator modes
- 1 random mode
- 1 chord mode
- Random patterns creation
- Presets manager
- “Program Change” support
- Preset sharing support by “AirDrop”, “Mail”, “Message” and other available services
- Native iCloud support
- “iCloud Drive” support in “Files” app on iOS and in “Finder” on macOS
- Full support of “Split View” and “Slide Over”
- 128 Undo / Redo levels
- Copy and paste
- Lockable keyboard (latch mode)
For more information on StepPolyArp, click here:
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