- Anne Beetem Acker
Line of MIDI-based reproducing player pianos introduced by Yamaha Corporation in 1982 (1986 in North America). The Disklavier system combines an acoustic piano with an electromechanical player-piano system. As in other such systems, fibre-optic sensors register the movement of keys, hammers, and pedals during performance, while the digital controller operates a bank of solenoids installed under the piano’s key bed; one solenoid is positioned under the tail of each key, with additional solenoids connected to the pedal rods. Performance information is stored digitally on CD-ROM, floppy discs (still used for many accompaniments for instructional piano material), or a hard drive. Disklavier systems can be connected to sequencers, tone modules, and computers via MIDI and Ethernet. A built-in speaker system attached to the case under the soundboard is used to play back optional digital piano sound and especially for playback of accompanying orchestral or vocal tracks....