KQ MIDI Modulate 1.6.4

This application is designed primarily for MIDI professionals and may not be suitable for beginners.

It functions as a MIDI signal processing tool without producing sound independently.

The app converts incoming MIDI signals and facilitates their output, utilizing an 8x16 grid of pads for versatile signal transmission.

Users have extensive freedom to route MIDI data between connected devices.

The package includes two AUv3 plugins for extended functionality.

Compatibility is limited to MIDI 1.0; it does not support MIDI 2.0 protocols.

The developer reports a common use case involving integration with a MIDI wind controller.

Conversion Features:

• Transforms control signal values, though settings are not configurable on a per-channel basis.
• Note Ctrl and Threshold parameters regulate note-on message transmission based on control value thresholds.
• Note attributes include:
  • Key: the pitch of the note
  • Vel1: note-on velocity
  • Vel0: note-off velocity
• Other signal types include:
  • CC: Control Change messages
  • AT: Channel Aftertouch
  • PB: Pitch Bend
  • PC: Program Change
• N/A indicates non-applicability for certain parameters.

High-Resolution and Settings:

• 'HR' enables handling of 14-bit signals for higher precision.
• 'E' opens envelope settings upon tap.
• 'F' accesses filter configurations via tap.
• 'LPF' implements a low-pass filter with adjustable strength to smooth value transitions; higher values result in slower changes.
• 'HPF' applies a high-pass filter that reacts to sudden value changes, with auto-approaching Return Base. Increased strength accelerates response.

The graph visualizes signal data and can be toggled among line, history, and bar modes by tapping. Long pressing the graph allows editing the curve pattern through an 'Edit Curve' option. Offset adjustments are made via '+ 0 -' controls, which modify input values. Users can switch to a compact view using the icon in the top left. The top right '!' button functions as a panic control, sending 'All Notes Off' and 'All Sound Off' messages to reset outputs quickly.

Trigger Functionality:

• Sends specific signals based on predetermined rules triggered by incoming MIDI messages, with channel selection options available.
• Options include:
  • 'Harmony': Transmits shifted note signals for harmonization
  • 'Channel Rewrite': Alters MIDI channel information
  • 'Signal Trigger': Sends predefined MIDI signals upon trigger conditions
  • 'Value Offset': Adjusts signal values incrementally
  • 'Filter': Suppresses certain transmissions based on criteria

Pad Layout and Controls:

• Contains an 8x16 grid of pads offering diverse control functions:
• • 'Note': Sends Note On/Off signals
  • 'CC/AT/PB Oneshot': Sends momentary control signals when pressed
  • 'CC/AT/PB On/Off': Sends control signals on press and release
  • 'Program': Sends patch change commands, with bank selection options
  • 'Convert Offset': Applies offset modifications in conversion processes
  • 'Load Preset': Loads profiles or presets from files
  • 'Misc/SysEx': Transmits arbitrary SysEx or other signals

Latch mode converts pads into toggle switches, with optional grouping acting as radio buttons for exclusive selection.

Additional Options:

• 'Key Delay': Introduces delay before notes are triggered after activation.
• 'Velocity Convert': Determines whether velocity values are always converted or only in non-legato contexts during output.
• 'MIDI Rx Channel' and 'MIDI Tx Channel': Set receiving and transmitting channels respectively.
• 'Filter Other Channel': Blocks transmission on channels other than the selected receive channel.
• 'Duplicated Notes': Configures handling strategy for simultaneous duplicate note messages.