coopiano

Sound

Double-click a slider to reset it. The settings are kept in this browser.

How to play

• MIDI keyboard: connect it, then start audio. All MIDI inputs play.
• Computer keyboard (WebMIDICon piano keymap): bottom row Shift Z S X… and top rows ` Tab Q 2 W…. Alt plays the top rows one octave higher. Space is the sustain pedal. ←/→ transpose, ↑/↓ change octave, Esc–F12 set transpose.
• Mouse or touch: play the keys above.

Use it in other apps

• WebMidiLink: load this page in a WebMidiLink host. It accepts midi,… messages through postMessage.
• Web Audio Module 2: load wam/index.js in a WAM host, or try the test host. The sliders above are WAM parameters. Demo: play a MIDI file in Patchies (drag a MIDI file in).