Sensory dissonance between two sounds produced by a musical instrument

Note that frequency ratios on this graph correspond to just intonation intervals, and therefore don't perfectly match the 12-tone equal temperament most often used in music, which is an approximation of just intonation.

The frequency spectrum used to simulate this timbre is 500, 1000, 1500, 2000, 2500, and 3000Hz; with amplitudes 1, 0.88, 0.7, 0.68, 0.6, and 0.5.
Chart: Luc GuillemotSource: Based on William A. Sethares modelling of dissonanceGet the data