lissajous

every musical ratio has a shape · select, spin, or dial in a ratio · keep the ones worth a scale

interval

custom :

parameters

phase π/2

speed ×1.7

trail long

sound

ratio3 : 2

intervalperfect fifth

cents701.96¢

12-TET nearest700¢ (P5)

deviation+1.96¢

kept scale

the figure closes when the ratio reduces to integers · irrational ratios never close · spin for a random interval (spin also starts the tone), keep the ones worth a scale