Trapezoid MIDI is a Hammered Dulcimer based MIDI control surface for the iPad.Free until Monday, Feb 1, 2016!No in-app purchases or up-sell, you'll get free updates forever. I just want to get some copies in the hands of real players to review. If you get the app for free, I'd very much appreciate it if you might consider posting a rating and review on the iTunes App Store.The app doesn't produce any sound on it own, it is designed for playing hardware and software VST-style MIDI synthesizers such as Kontakt via a CoreMIDI compatible interface connected to the dock connector or virtual MIDI instruments like Roland Sound Canvas for iOS, IK Multimedia SampleTank®, or Sonosaurus ThumbJam running on your iPad.The app has the full range of a standard 15/14 instrument and supports both Standard and Michigan (octave) tunings, plus can be transposed up or down one octave in semitone increments.15/14 means there are 15 bridges on the Treble (left) side of the instrument, 14 bridges on the Bass (right) side of the instrument.To play, just touch the strings on either side of the left (Treble) bridge or the left side of the right (Bass) bridge just like on the real instrument.To get repeated note "drag roll" effects, drag quickly horizontally across the strings. The drag roll sensitivity can be set on the settings screen. The higher the sensitivity, the shorter distance you need to move your finger to get the effect.Touch the MIDI connector icon on the upper left corner to show the settings screen where you may:- Set the overall instrument transpose up or down up to one octave in semitone increments- Set the MIDI channel independently for the treble and bass bridges- Adjust the MIDI velocity and volume independently for the treble and bass bridges- Use the "Transmit MIDI Port" switch to choose between "Omni" sending MIDI data to all CoreMIDI apps or "Virtual Port" sending to a named CoreMIDI virtual output port. When the "Virtual Port option is selected, Trapezoid MIDI will show up as an input option in apps that support virtual ports like Sonosaurus ThumbJam and MidiBridge. "Omni" mode is selected by default.- Choose between "Traditional" or "StrikeZones" instrument stylesThe "StrikeZones" instrument style shows you exactly where to touch on the screen for each note. The zones light up when touched. It is an excellent tool for understanding or teaching the layout of the instrument.- Choose between Standard or Michigan (octave) tunings- Show or hide the hammer touches + note label highlights- Enable or disable the drag rolls as well as set the sensitivity for how far you need to drag to get the roll effect- Visit the AppCordions websiteTouch the "?" on the upper left corner to show the note names for the strings.Touch the "Shhh" button on the upper right corner of the main screen or on the settings screen to send a MIDI "All Notes Off" message to quiet any stuck notes.The app works most effectively with MIDI patches that are percussive have reasonably rapid delay, like harp, guitar, piano, and other percussive sounds, but also will work with more sustained sounds using a more legato playing style.Settings for use with other MIDI synthesizer apps:Sonosaurus ThumbJam:- In "Preferences", under "Options", enabled "Background Audio". If using the "Virtual Port" transmit port option, enable the input port under Preferences / MIDI Control / MIDI Input Connections.IK Multimedia SampleTank:- In Settings (touch the gear icon), enable "Background Audio".Other CoreMIDI compatible synth apps will have similar settings.IK Multimedia iRig MIDI Hardware Interface: - For simple direct connection, in Trapezoid MIDI, set the "Transmit MIDI Port" option to "Omni" .- If using a MIDI filtering app like MidiBridge to modify the data stream, in Trapezoid MIDI, set the "Transmit MIDI Port" option to "Virtual Port".Be sure to visit the AppCordions.com website for MIDI setup and demo videos!
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