Question

How to do or create a shepard tone using additive synthesis in Pure Data. Please help, desperate!!

Answer 1

Answer:

Creating a Shephard Tone

Step 1: Choose a steady with constant pitch and volume and edit it to a 12 second long clip.

Step 2: Duplicate your track so that a copy plays simultaneously with your first.

Step 3: Statically pitch the entire duplicated clip down one full octave (or -12 semitones)