An audio effect to extend the sustain of a musical note in real-time is implemented on a fixed point, standalone processor. Onset detection is used to look for new musical notes, and once they decay to steady state the audio is looped indefinitely until a new note onset occurs. To properly loop the audio, pitch detection is performed to extract one period and the new output buffer is written in a phase aligned manner.

Authors: Rau, Mark; Das, Orchisama
Affiliation: Center for Computer Research in Music and Acoustics (CCRMA), Stanford University, Palo Alto, CA, USA
AES Convention: 143 (October 2017) Paper Number: 9889
Publication Date: October 8, 2017
Subject: Applications in Audio

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