Electronic musical instrument having a function of dividing performance information into phrases and displaying keys to be operated for each phrase

An electronic musical instrument comprising:

• a plurality of performance operators corresponding to a plurality of tone pitches;
• display means including a plurality of key-displaying elements provided in corresponding relation to said performance operators;
• performance information supply means for supplying a series of performance information constituting optional music piece, said performance information containing at least tone pitch information;
• dividing means for dividing the performance information for a music piece supplied from said performance information supply means into a plurality of time sections, and for modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• control means for, in accordance with performance progression of the music piece and for each of the time sections, activating, into a displaying state, said key-displaying element corresponding to every tone pitch information contained in the performance information present within the time section, said activation by said control means of said key-displaying elements being simultaneously effected throughout the time section in a first predetermined display mode.

An electronic musical instrument comprising:

• a plurality of performance operators corresponding to a plurality of tone pitches;
• display means including a plurality of key-displaying elements provided in corresponding relation to said performance operators;
• performance information supply means for supplying a series of performance information constituting optional music pieces said performance information containing at least tone pitch information;
• dividing means for dividing the performance information for a music piece supplied from said performance information supply means into a plurality of time sections, and for modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• control means for, in accordance with performance progression of the music piece and for each of the time sections, performing control to activate, into a displaying state of first display mode, said key-displaying element corresponding to every tone pitch information contained in the performance information present within the time section, and also, in accordance with the progression of performance within the time section, changing a display mode of specific one of said key-displaying elements corresponding to specific one of said tone pitch information to be performed from said first display mode to a predetermined second display mode.

An electronic musical instrument comprising:

• a plurality of performance operators corresponding to a plurality of tone pitches;
• display means including a plurality of key-displaying elements provided in corresponding relation to said performance operators;
• performance information supply means for supplying a series of performance information constituting optional music piece, said performance information containing at least tone pitch information;
• dividing means for dividing the performance information for a music piece supplied from said performance information supply means into a plurality of time sections, and for modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• control means for, in accordance with performance progression of the music piece and for each of the time sections, performing control to activate, into a displaying state of predetermined display mode, said key-displaying elements corresponding to the tone pitch information contained in the performance information present within a first time section, and to activate, into a displaying state of predetermined display mode, said key-displaying elements corresponding to the tone pitch information of the performance information present within a second time section following said first time section.

An electronic musical instrument comprising:

• a plurality of performance operators corresponding to a plurality of tone pitches;
• display means including a plurality of key-displaying elements provided in corresponding relation to said performance operators;
• performance information supply means for supplying a series of performance information constituting optional music piece, said performance information containing at least tone pitch information;
• dividing means for dividing the performance information for a music piece supplied from said performance information supply means into a plurality of time sections, and for modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• control means for, in accordance with performance progression of the music piece and for each of the time sections, performing control to activate, into a displaying state of predetermined display mode, said key-displaying elements corresponding to the tone pitch information contained in the performance information present within a first time section, and also start activating, in the course of or at the end of said first time section, said key-displaying elements corresponding to the tone pitch information of the performance information present within a second time section following said first time section into a displaying state of predetermined display mode, wherein prior to starting activating said key-displaying elements for said second time section, said control means performs control to sequentially activate, into a displaying state, predetermined one or more of said key-displaying elements provided between first said key-displaying element corresponding to predetermined said tone pitch information present within said first time section and second said key-displaying element corresponding to predetermined said tone pitch information present within said second time section.

An electronic musical instrument comprising:

• a plurality of performance operators corresponding to a plurality of tone pitches;
• a display device that includes a plurality of key-displaying elements provided in corresponding relation to said performance operators;
• a performance information supply section that supplies a series of performance information constituting optional music pieces, said performance information containing at least tone pitch information;
• a dividing section that divides the performance information for a music piece supplied from said performance information supply section into a plurality of time sections, in accordance with contents of the performance information, and that modifies said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• a control section that, in accordance with performance progression of the music piece and for each of the time sections, activates, into a displaying state, said key-displaying element corresponding to every tone pitch information contained in the performance information present within the time section.

A method of key-displaying in an electronic musical instrument which comprises a plurality of performance operators corresponding to a plurality of tone pitches and a display device including a plurality of key-displaying elements provided in corresponding relation to said performance operators, said method comprising the steps of:

• supplying a series of performance information constituting optional music pieces, said performance information containing at least tone pitch information;
• dividing the performance information for a music piece supplied by the step of supplying into a plurality of time sections, in accordance with contents of the performance information;
• modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• activating, in accordance with performance progression of the music piece and for each of the time sections, into a displaying state, said key-displaying element corresponding to every tone pitch information contained in the performance information present within the time section.

A method of dividing performance information into plural phrases, said method comprising the steps of:

• supplying a series of performance information constituting optional music pieces, said performance information including at least tone pitch information;
• dividing the series of performance information supplied by the step of supplying into a plurality of time sections, on the basis of a pitch range of the tone pitch information supplied by said step of supplying;
• and
• modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections.

A machine-readable recording medium containing a group of instructions of a program for key-displaying in an electronic musical instrument to be executed by a processor, said electronic musical instrument having a plurality of performance operators corresponding to a plurality of tone pitches and a display device including a plurality of key-displaying elements provided in corresponding relation to said performance operators, said method comprising the steps of:

• supplying a series of performance information constituting optional music pieces, said performance information containing at least tone pitch information;
• dividing the performance information for a music piece supplied by the step of supplying into a plurality of time sections, in accordance with contents of the performance information;
• modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections;
• and
• activating, in accordance with performance progression of the music piece and for each of the time sections, into a displaying state, said key-displaying element corresponding to every tone pitch information contained in the performance information present within the time section.

A machine-readable recording medium containing a group of instructions of a program for dividing performance information into plural phrases to be executed by a processor, said program comprising steps of:

• supplying a series of performance information constituting optional music pieces, said performance information including at least tone pitch information;
• dividing the series of performance information supplied by the step of supplying into a plurality of time sections, on the basis of a pitch range of the tone pitch information supplied by said step of supplying;
• and
• modifying said performance information by inserting dividing information at points corresponding to divisions between said time sections.

An electronic musical instrument comprising:

• a plurality of performance operators corresponding to a plurality of tone pitches;
• a display coupled to said performance operators having a plurality of key-displaying elements provided in corresponding relation to said performance operators;
• a performance information memory adapted to provide a series of performance information constituting optional music pieces, said performance information containing at least tone pitch information;
• and
• a processor coupled to at least said performance information memory and said key displaying elements, the processor adapted to divide the performance information provided by said performance information memory into a plurality of time sections, in accordance with contents of the performance information, wherein said processor is also adapted to modify said performance information by inserting dividing information at points corresponding to divisions between said time sections, wherein said processor is also adapted to activate into a displaying state, in accordance with performance progression of the music piece and for each of the time sections, said key-displaying elements corresponding to every tone pitch information contained in the performance information present within the time section.