Victor Zappi
ABSTRACT
The Hyper Drumhead is a novel digital musical instrument that allows for the visualization and the manipulation of sound waves. At its core, a GPU-accelerated physical model computes in real-time the propagation of sound waves in two dimensions, allowing for the audio/visual simulation of massive domains. Every time the musician touches the surface of the instrument, an excitation signal is injected into the simulation domain, triggering wave propagation in all directions. By drawing boundaries in the domain and modifying the acoustic parameters of the simulated medium, the musician may generate and modulate reflections and resonances, effectively shaping the timbre of the resulting sound. In this short paper, we describe the main components of the instrument, including the control interface and the underlying numerical simulation.
- Andrew Allen and Nikunj Raghuvanshi. 2015. Aerophones in flatland: Interactive wave simulation of wind instruments. ACM Transactions on Graphics (TOG) 34, 4 (2015), 1–11.Google Scholar
Digital Library
- Harri Renney, Benedict R Gaster, and Tom Mitchell. 2019. OpenCL vs: Accelerated finite-difference digital synthesis. In Proceedings of the International Workshop on OpenCL. 1–11.Google ScholarDigital Library
- Marc Sosnick and William Hsu. 2010. Efficient finite difference-based sound synthesis using GPUs. In Proceedings of the Sound and Music Computing Conference. 42–44.Google Scholar
- Victor Zappi, Andrew Allen, and Sidney S Fels. 2017. Shader-based physical modelling for the design of massive digital musical instruments.. In NIME. 145–150.Google Scholar
Index Terms
The Hyper Drumhead: A Musical Instrument For The Audio/Visual Manipulation Of Sound Waves
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