d.gildas.ch / dix-demi-tons

Dix Demi-Tons

Create songs for a 10-note octave split with optional quarter-tones for a 20-step octave. Press the keyboard to hear notes immediately. Enable write mode to append notes into the song and edit them below.

Keyboard

Base frequency Preview length (s) Write duration (beats) Write advance (beats)

White keys are the 10 equal steps of the octave. Black keys are the quarter-tone intermediates, giving 20 total positions in the octave.

Song

BPM

Cursor at beat 0.00. No notes yet.

JSON

The JSON format stores `baseFrequency`, `bpm`, and a `notes` array containing `step`, `start`, and `duration` values.