R a n d S t e i g e r
real-time digital signal processing examples
Harmonizing: In these examples from Concatenation performed by Rebekah Heller, the bassoon signal is transformed with just-tuned pitch shifting, and delays, creating a chorale of bassoon notes, all replicating the original note, but at different times and frequencies:
Here the harmonized bassoon signal is looped creating an accompaniment to the subsequent phrase: