| 摘要 |
A keyboard operated tone synthesizer with glissando effect in which actuating individual keys successively on a keyboard produces all the intermediate notes of the chromatic scale. The time interval between notes in the scale is independently controllable. In one modification of the invention the individual notes of the chromatic scale played during the glissando, when played slowly enough to be heard individually, can be controlled in attack, decay, sustain and release characteristics. The chromatic glissando can move either up or down the scale, depending upon the pitch of each key relative to the previous key played on the keyboard.
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