Electronic musical instrument and control method therefor

An electronic musical instrument comprising:

• a key range designation section adapted to individually designate any one of a plurality of key ranges;
• a tone color designation section adapted to designate any one of a plurality of tone colors;
• a storage section storing boundary information for allowing a keyboard to be used divided in a plurality of key ranges;
• a division and tone color setting section adapted to, once any one tone color is designated by said tone color designation section in association with designation of a key range by said key range designation section when the keyboard is not set in a divided usage state where the keyboard is usable divided in a plurality of key ranges, (1) divide the keyboard into a plurality of key ranges on the basis of the boundary information stored in said storage section and (2) set the designated tone color as a tone color to be used in the designated key range;
• an update section adapted to, once information designating a boundary key position in association with designation of a key range by said key range designation section is received when the keyboard is set in the divided usage state, update the boundary information stored in said storage section on the basis of the designated key range and the boundary key position indicated by the received information,
• wherein, once the boundary information is updated by said update section, said division and tone color setting section re-sets a key-range-divided state of the keyboard on the basis of the updated boundary information;
• a selector for selecting a duo mode;
• and
• a duo-mode key-range setting section adapted to, in response to selection via said selector of the duo mode, cancel the divided usage state and set the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.

A processor-implemented method for using a keyboard on an electronic musical instrument in a key-range-divided fashion, said method comprising:

• receiving, by a processor, a user's input operation for selectively designating any one of a plurality of types of key ranges of the keyboard, the user's input operation performed on one or more user-operable input operators;
• receiving, by the processor, information designating a boundary key position on the keyboard in association with designation of the designated type of key range based on the user's input operation, the received information indicating a user's operation on the keyboard;
• determining, by the processor, an actual key range of the designated type of key range in accordance with the boundary key position designated by the received information in such a manner that the designated boundary key position on the keyboard belongs to the actual key range of the designated type of key range of the keyboard;
• on the basis of the determined actual key range, setting, by the processor, the keyboard in a divided usage state where the keyboard is usable divided in a plurality of key ranges;
• receiving, by the processor, a user's input operation for selecting a duo mode;
• and
• in response to the user's input operation for selecting the duo mode, canceling, by the processor, the divided usage state and setting, by the processor, the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.

A processor-implemented method for using a keyboard on an electronic musical instrument in a key-range divided fashion, the electronic musical instrument including a storage memory storing boundary information for allowing the keyboard to be used divided in a plurality of key ranges, said method comprising:

• receiving, by a processor, a user's input operation for individually designating any one of a plurality of key ranges of the keyboard, the user's input operation performed on one or more user-operable input operators;
• once information designating any tone color in association with designation of the key range based on the user's input operation is received when the keyboard is not set in a divided usage state where the keyboard is usable divided in a plurality of key ranges, (1) dividing, by the processor, the keyboard into a plurality of key ranges on the basis of the boundary information stored in the storage memory and (2) setting, by the processor, the designated tone color as a tone color to be used in the designated key range of the keyboard;
• once information designating a boundary key position on the keyboard in association with the designation of the key range based on the user's input operation is received when the keyboard is set in the divided usage state, updating, by the processor, the boundary information stored in the storage memory on the basis of the designated key range and the boundary key position indicated by the received information, the received information indicating a user's operation on the keyboard;
• once the boundary information is updated, re-setting a key-range-divided state of the keyboard on the basis of the updated boundary information;
• receiving, by the processor, a user's input operation for selecting a duo mode;
• and
• in response to the user's input operation for selecting the duo mode, canceling, by the processor, the divided usage state and setting, by the processor, the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.

A non-transitory computer-readable storage medium containing a program for causing a computer to perform a method for using a keyboard on an electronic musical instrument in a key-range-divided fashion, said method comprising:

• receiving a user's input operation for selectively designating any one of a plurality of types of key ranges of the keyboard, the user's input operation performed on one or more user-operable input operators;
• receiving information designating a boundary key position on the keyboard in association with designation of the designated type of key range based on the user's input operation, the received information indicating a user's operation on the keyboard;
• determining an actual key range of the designated type of key range in accordance with the boundary key position designated by the received information in such a manner that the designated boundary key position on the keyboard belongs to the actual key range of the designated type of key range of the keyboard;
• on the basis of the determined actual key range, setting the keyboard in a divided usage state where the keyboard is usable divided in a plurality of key ranges;
• receiving a user's input operation for selecting a duo mode;
• and
• in response to the user's input operation for selecting the duo mode, canceling the divided usage state and setting the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.

A non-transitory computer-readable storage medium containing a program for causing a computer to perform a method for using a keyboard on an electronic musical instrument in a key-range-divided fashion, the electronic musical instrument including a storage memory storing boundary information for allowing the keyboard to be used divided in a plurality of key ranges, said method comprising:

• receiving a user's input operation for individually designating any one of a plurality of types of key ranges of the keyboard, the user's input operation performed on one or more user-operable input operators;
• once information designating any tone color in association with designation of the key range based on the user's input operation is received when the keyboard is not set in a divided usage state where the keyboard is usable divided in a plurality of key ranges, (1) dividing the keyboard into a plurality of key ranges on the basis of the boundary information stored in the storage memory and (2) setting the designated tone color as a tone color to be used in the designated key range of the keyboard;
• once information designating a boundary key position on the keyboard in association with the designation of the key range based on the user's input operation is received when the keyboard is set in the divided usage state, updating the boundary information stored in the storage memory on the basis of the designated key range and the boundary key position indicated by the received information, the received information indicating a user's operation on the keyboard;
• once the boundary information is updated, re-setting a key-range-divided state of the keyboard on the basis of the updated boundary information;
• receiving a user's input operation for selecting a duo mode;
• and
• in response to the user's input operation for selecting the duo mode, canceling the divided usage state and setting the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.

An electronic musical instrument comprising:

• one or more first user-operable input operators adapted to selectively designate any one of a plurality of types of key ranges of a keyboard;
• one or more second user-operable input operators adapted to select a duo mode;
• and
• a processor adapted to;
• receive information designating a boundary key position in association with designation of the designated type of key range by said one or more first user-operable input operators;
• determine an actual key range of the designated type of key range in accordance with the boundary key position designated by the received information in such a manner that the designated boundary key position belongs to the actual key range of the designated type of key range;
• on the basis of the determined actual key range, set the keyboard in a divided usage state where the keyboard is usable divided in a plurality of key ranges;
• and
• in response to selection of the duo mode via said one or more second user-operable input operators, cancel the divided usage state set and set the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.

An electronic musical instrument comprising:

• one or more user-operable first input operators adapted to individually designate any one of a plurality of types of key ranges;
• one or more user-operable second input operators adapted to designate any one of a plurality of tone colors;
• a storage memory storing boundary information for allowing a keyboard to be used divided in a plurality of key ranges;
• one or more third user-operable input operators adapted to select a duo mode;
• and
• a processor adapted to:
• once any one tone color is designated by said one or more user-operable second input operators in association with designation of a key range by said one or more user-operable first input operators when the keyboard is not set in a divided usage state where the keyboard is usable divided in a plurality of key ranges, (1) divide the keyboard into a plurality of key ranges on the basis of the boundary information stored in said storage memory and (2) set the designated tone color as a tone color to be used in the designated key range;
• once information designating a boundary key position in association with designation of a key range by said one or more user-operable first input operators is received when the keyboard is set in the divided usage state, update the boundary information stored in said storage memory on the basis of the designated key range and the boundary key position indicated by the received information;
• once the boundary information is updated, re-set a key-range-divided state of the keyboard on the basis of the updated boundary information;
• in response to selection of the duo mode via said one or more third user-operable input operators, cancel the divided usage state set and set the keyboard into a state where the keyboard is usable divided in predetermined two key ranges.