Apparatus for cross-correlating additional musical part to principal part through time
AssigneeCasio Computer Co., Ltd.
InventorsJun Sato, Junichi Minamitaka
Life of this patent
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Abstract
An apparatus automatically generates an additional musical part which varies as a function of a given principal part of a music piece. In an embodiment, the apparatus adds a melodic part with a varying pitch line of an arpeggio each element of which is a selected chord tone having a pitch associated with a time-shifted pitch of the principal part. As a result, a "canon" or "Fugue" polyphonic music is obtained.
Claims6
An apparatus for generating an additional musical part which is to be played simultaneously with a principal melodic part of a music piece, the apparatus comprising:
- principal part providing means for providing a principal melodic part of a music piece;
- pitch set succession providing means for providing a succession of pitch sets available in an additional part of said music piece;
- control parameter generating means for generating control parameters for each melodic line of said additional part to be played simultaneously with said principal melodic part;
- and
- additional part generating means for generating said additional part having at least one melodic line based on said principal melodic part, said succession of pitch sets and said control parameters;
- said control parameter generating means including pointer generating means for generating a pointer that points to a segment of said principal melodic part at a past time;
- and
- said additional part generating means including determining means for determining a current content of said additional part by referencing said segment of said principal melodic part pointed to be said pointer.
An apparatus for generating an additional musical part which is to be played simultaneously with a principal melodic part of a music piece, the apparatus comprising:
- principal part providing means for providing a principal melodic part of a music piece;
- pitch set succession providing means for providing a succession of pitch sets available in an additional part of said music piece;
- control parameter generating means for generating control parameters for each melodic line of said additional part to be played simultaneously with said principal melodic part;
- and
- additional part generating means for generating said additional part having at least one melodic line based on said principal melodic part, said succession of pitch sets and said control parameters;
- said control parameter generating means including pointer generating means for generating pointers pointing to a plurality of different segments of said principal melodic part;
- and
- said additional part generating means including determining means for determining a current content of said additional part by referencing said plurality of different segments of said principal melodic part pointed to be said pointers.
An apparatus for generating an additional musical part which is to be played simultaneously with a principal melodic part of a music piece, the apparatus comprising:
- principal part providing means for providing a principal melodic part of a music piece;
- pitch set succession providing means for providing a succession of pitch sets available in an additional part of said music piece;
- control parameter generating means for generating control parameters for each melodic line of said additional part to be played simultaneously with said principal melodic part;
- and
- additional part generating means for generating said additional part having at least one melodic line based on said principal melodic part, said succession of pitch sets and said control parameters;
- said control parameter generating means including pointing means for pointing to at least one segment of said principal melodic part which is selected from a past segment, a future segment or a plurality of segments, of said principal melodic part;
- and
- said additional part generating means including pitch determining means for determining a current pitch of said additional part by referencing at least one segment of said principal melodic part pointed to by said pointing means.
An apparatus for generating a musical part comprising:
- first part providing means for providing a first part, of a music piece;
- control parameter generating means for generating control parameters for a second part of said music piece to be added to said first part;
- and
- second part generating means for generating said second part based on said first part and said control parameters;
- wherein said control parameter generating means comprises pointing means for pointing to at least one segment of said first part which is selected from a past segment, a future segment or a plurality of segments, of said first part;
- and
- wherein said second part generating means comprises rhythm determining means for determining a current rhythm of said second part from said at least one segment of said first part pointed to by said pointing means.
Dependencies are inferred from the claim text.