The Sophtar: A Feedback String Instrument with Embedded Machine Learning

"The Sophtar" is a tabletop string instrument equipped with an embedded system for digital signal processing, networking, and machine learning. It features a pressure-sensitive fretted neck, dual sound boxes, and controlled feedback capabilities managed through custom interface elements. The instrument’s design is informed by research and practice in hyperorgan interaction within networked music performance, integrating acoustic and digital domains into a unified expressive system. More information is available at https://www.federicovisi.com/the-sophtar/.