Apparatus for translating sound into a visual display
Archiving of environmental sounds using visualization...
Audio amplitude-responsive lighting display
Audio reactive light display
Audio-visual headphones
Audio/visual conversion system
Color organ
Color organ display device
Dance game apparatus and step-on base for dance game
Dance visualization of music
Dance visualization of music
Decoration box with music and colored flashing light beams
Decorative light blinking device using PLL circuitry for blinkin
Decorative light flashing apparatus and acousto-electric transdu
Digital pulsing visual metronome
Digital pulsing visual metronome
Disco lamp controller for coin-operated phonograph
Electronic apparatus for displaying music
Electronic apparatus to assist teaching the playing of a musical
Electronic guitar training device