| 摘要 |
An initial note series (104) is collected from a real-time source of musical input material (101) such as a keyboard or a sequencer playing back musical data, or extracted from musical data stored in memory (122). The initial note series may be altered to create variations of the initial note series using various mathematical operations. The resulting altered note series (110), or other data stored in memory is read out according to one or more patterns (116). The patterns may have steps containing pools of independently selectable items from which random selections are made. A pseudo-random number generator (142) is employed to perform the random selections during processing, where the random sequences thereby generated have the ability to be repeated at specific musical intervals.
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