A small project, to measure the visual bias when judging tritones.
The "tritone" consists of 2 distinct shepard tones with half an octave tone difference, played successively.
Every human has it's own way of perception: One would say after hearing the C-F# tritone, that the F# is clearly higher-pitched than the C, but another person would judge the C as the higher tone.
We tried to measure, if there is a possibility of manipulating the perception by adding a visual stimulus by using...