D.c. keyed high low select preference system for polyphonic...

D.c. keyed synthesis organ

Dancing-musical instrument

Demultiplex and storage system for time division multiplexed...

Device for detecting a key switch operation

Device for electroacoustic amplification of a stringed...

Device for monitoring a soundboard-type electronic musical...

Device for producing signals representative of sounds of a...

Device used by a bowed instrument to control a frequency...

Digital arpeggio system

Digital generator for musical notes

Digital organ system

Digital signal processing system and method for generating...

Digital signal processing using waveguide networks

Digital signal processing using waveguide networks

Digital solid-state recording of signals characterising the...

Digital sound synthesizer

Digital tone generation system utilizing fixed width window...

Digital tone generator

Digital touch responsive tempo generating device