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The Clavivox was a keyboard sound synthesizer and sequencer invented by American composer Raymond Scott in 1952, and patented in 1956. () Scott had earlier built a theremin as a toy for his daughter Carrie. In his first Clavivox prototype, he used a theremin module built by a young Bob Moog (who was more than 25 years younger than Scott). The unit allowed the use of portamento over a 3-octave range. Scott then added amplitude envelopes, vibrato and other effects to the Clavivox. Later Clavivox models used light shining through photographic film onto photocells as a source of control voltage to control pitch and timbre. "A lot of the sound-producing circuitry of the Clavivox resembled very closely the first analog synthesizer my company made in the mid-'60s," Moog explained years later. "Some of the sounds are not the same, but they're close." == See also == * ANS synthesizer * Sound synthesis 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Clavivox」の詳細全文を読む スポンサード リンク
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