A new effect is added in @mercury . It is a Karplus-Strong effect, based on a lowpass feedback combfilter, that can be tuned to the notes of your scale. The feedback can be positive (odd+even harmonics) or negative (odd harmonics, for a flute-like sound).

Try the code yourself: https://mercury-playground.pages.dev/#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%3D

#audioworkletprocessor #mercurylivecoding #synthesis #karplusstrong #stringsynthesis #browserbased #webaudio