Q1Synth: A Quantum Computer Musical Instrument

This paper introduces Q1Synth, an unprecedented musical instrument that produces sounds from (a) quantum state vectors representing the properties of a qubit, and (b) its measurements. The is presented on computer screen (or mobile device, such as tablet or smartphone) Bloch sphere, which visual representation qubit. performer plays by rotating this sphere using mouse. Alternatively, gesture controller can be used, e.g., VR glove. While rotated, continuously changing sound produced. has ‘measure key’. When activates key, generates program (also known circuit) to create current vector. Then, it sends over cloud for processing, is, measuring, in computing terminology. subsequently returns measurement, also rendered into sound. Currently, Q1Synth uses three different techniques make sounds: frequency modulation (FM), subtractive synthesis, granular synthesis. explains how works details implementation. A setup developed performance, Spinnings, with networked instruments reported. Spinnings are examples creative practices open doors new application pathways technology. Additionally, they illustrate emerging technology leading approaches design creativity.