G - Physics
10
H
84/1.53
G10H 1/02 (2006.01) G08C 15/00 (2006.01) G10H 1/18 (2006.01) G10H 7/00 (2006.01)
Patent
CA 1184408
ABSTRACT A truncation system is provided for an electronic musical instrument in which key codes are stored in channels of a key code memory and are repetitively provided to a time shared tone generator in time shared fashion during respective channel related time slots of consecutive cycle periods. The truncation system detects, when a key code has been assigned to all of the channels in the key code memory and a new key is depressed, a channel in which attenuation of the tone of a released key has advanced to the furthest degree and thereon produces a truncate channel designation signal designating that channel. The channel designation signal is applied to a set and reset signals generator circuit in order that the stored key code in a specific channel is reset and the new key code associated with the newly depressed key is stored in the channel.
438683
Macrae & Co.
Nippon Gakki Seizo Kabushiki Kaisha
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