A Hopf Adaptive Oscillator Analog Circuit as a musical instrument

Edmon Perkins, XiaoFu Li &
The utilization of a Hopf adaptive frequency oscillator as a musical instrument is explored. The analog circuit design of this nonlinear oscillator are presented, and the procedure to use it as a musical instrument is described. Although similar to other analog electronics instruments such as the theremin, the authors believe this is the first time that an adaptive oscillator has been implemented as a musical instrument. Ave Maria, D. 839-Bradley Chapman (https://musopen.org/music/1673-ave-ma...​), is used here...
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