Bar codes or similar machine readable optical code patterns, e.g. two dimensional mesh pattern, for musical input or control purposes

Full Title

Input/output interfacing specifically adapted for electrophonic musical tools or instruments > User input interfaces for electrophonic musical instruments > Image sensing, i.e. capturing images or optical patterns for musical purposes or musical control purposes > Bar codes or similar machine readable optical code patterns, e.g. two dimensional mesh pattern, for musical input or control purposes