for graphical editing of sound parameters or waveforms, e.g. by graphical interactive control of timbre, partials or envelope

Full Title

Input/output interfacing specifically adapted for electrophonic musical tools or instruments > Graphical user interface [GUI] specifically adapted for electrophonic musical instruments, e.g. interactive musical displays, musical instrument icons or menus; Details of user interactions therewith > for graphical creation, edition or control of musical data or parameters > for graphical editing of sound parameters or waveforms, e.g. by graphical interactive control of timbre, partials or envelope