Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2011-03-08
2011-03-08
Qin, Jianchun (Department: 2832)
Music
Instruments
Electrical musical tone generation
C704S257000
Reexamination Certificate
active
07902447
ABSTRACT:
In one embodiment, a method for the automatic composition of music is disclosed. The method begins by receiving a plurality of input sound sequences containing sound frequencies with corresponding time duration. The method continues with converting the plurality of input sound sequences to a finite state automaton using a system that allows over-generation, followed by receiving exploration rules that constrain how the finite state automaton is to be traversed. The next step is creating a path marker data structure indexing a plurality of path markers, where each path marker contains a path marker history and a path marker registry. After the path marker data structure is created, the method continues by traversing the finite state automaton with a graph exploration procedure that uses the exploration rules and the plurality of path markers to determine paths across the finite state automaton. During the exploration the path marker history and the path marker registry of particular path markers are updated when traversing the finite state automaton. As the finite state automaton is traversed the method includes storing the paths across the finite state automaton to the path marker data structure to define recorded path markers, wherein the recorded path markers that are not found in the plurality of input sound sequences define new music compositions.
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Martine & Penilla & Gencarella LLP
Qin Jianchun
Sony Computer Entertainment Inc.
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