Music – Instruments – Electrical musical tone generation
Patent
1989-09-22
1991-10-01
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84637, 84DIG22, G10H 138, G10H 700
Patent
active
050522671
ABSTRACT:
An apparatus for producing a chord progression by connecting or chaining chord patterns. In a preferred embodiment, the apparatus includes as a source of musical knowledge, a database of musical structure of various music pieces and a database of chord patterns. In operation, from the musical structure database, a multi-leveled structural feature of a music piece is selected and determined level by level, either automatically, semi-automatically, or manually, through a dialogue conducted between the apparatus and the user. Thereafter, chord patterns are chosen one at a time from the chord pattern database in a similar dialogue manner. A concatenating module controls the concatenation of the chosen chord patterns to be commensurate with the characteristic musical structure previously determined, thereby to provide a chord progression with musicality, naturalness and well-balanced unity and variety. The produced chord progression may be utilized as a musical material from which an automatic composer synthesizes a melody of a music piece.
REFERENCES:
patent: 4433601 (1984-02-01), Hall et al.
patent: 4468998 (1984-09-01), Baggi
patent: 4926737 (1990-05-01), Minamitaka
patent: 4951544 (1990-08-01), Minamitaka
Casio Computer Co. Ltd.
Witkowski Stanley J.
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