This implementation uses piezo discs for sensing.
The signals from the piezo discs are used to trigger recorded samples.
E. Berdahl, B. Verplank, J. O. Smith III, and G. Niemeyer.
A Physically-Intuitive Haptic Drumstick
International Computer Music Conference
August 27-31, 2007 - Copenhagen, Denmark.
E. Berdahl, H.-C. Steiner, and C. Oldham.
Practical Hardware and Algorithms for Creating Haptic Musical Instruments,
Eighth International Conference on New Interfaces for Musical Expression
June 5-7, 2008 - Genova, Italy.
To Edgar Berdahl's Web Page
To Julius O. Smith III's Web Page