Music – Instruments – Electrical musical tone generation
Patent
1997-06-23
1999-05-04
Shoop, Jr., William M.
Music
Instruments
Electrical musical tone generation
84609, 84619, 84637, 84649, 84657, G10H 138
Patent
active
059005670
ABSTRACT:
A system and a method for the notes of one track to move in a harmonically separate manner from the notes of another track when the notes of each track are played against a chord progression. Each track is associated with a chord function. The notes of the tracks are then played against a progression of polychords, where each polychord consists of one or more chords. In addition, each chord of a polychord is associated with one or more chord functions. During operation, each note of a track is mapped against a chord of the currently playing polychord. The chord for each track is selected by identifying the chord of the polychord that is associated with the same chord function as the track. Furthermore, individual tracks, groups of notes, or single notes can be assigned to one of several playback modes. Each note includes a field that identifies a playback mode. In addition, each track is associated with a playback mode. Prior to generating a performance note, the playback mode for the note is determined, and the note is transposed or mapped against the currently playing chord in accordance with the playback mode.
REFERENCES:
patent: 5220122 (1993-06-01), Shibukawa
Fay Todor C.
Yackley David G.
Fletcher Marlon T.
Microsoft Corporation
Shoop Jr. William M.
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