Electronic musical instrument with musical performance assisting system that controls performance progression timing, tone generation and tone muting

An electronic musical instrument comprising:

• a first operation member;
• a second operation member;
• a memory device that stores performance data for a performance;
• a sound source circuit;
• a reading device that successively reads out the performance data from the memory device with progression of the performance;
• a tone generation and muting instructing device that, in response to operation of the first operation member, gives an instruction to the sound source circuit to generate a tone based on the performance data being read out at a time of the operation of the first operation member and gives an instruction to mute a tone that has been previously generated;
• and
• a mute instructing device that gives an instruction to the sound source circuit to mute the tone in response to operation of the second operation member.

An electronic musical instrument comprising:

• a first operation member;
• a second operation member;
• a memory device that stores first and second performance data for a performance;
• a sound source circuit;
• a first reading device that reads out the first performance data from the memory device in response to operation of the first operation member and gives an instruction to the sound source circuit to generate a tone based on the first performance data, wherein the first reading device gives an instruction at each operation of the first operation member to renew a progression position of the performance;
• a second reading device that successively reads out the second performance data from the memory device and gives an instruction to the sound source circuit to generate a tone based on the second performance data;
• and
• a switching device that selectively renders effective the tone based on the first performance data read out by the first reading device and the tone based on the second performance data read out by the second reading device, wherein when the second operation member is operated while the tone caused by the first reading device is rendered effective, the tone caused by the second reading device is rendered effective instead of the tone caused by the first reading device.

An electronic musical instrument comprising:

• a first operation member;
• a second operation member;
• a memory device that stores performance data for a performance;
• a reading device that successively reads out the performance data from the memory device with progression of the performance;
• a note pitch changing device that changes a pitch of the performance data read out by the reading device in response to operation of the second operation member;
• a sound source circuit;
• and
• a tone generation instructing device that, in response to operation of the first operation member, gives an instruction to the sound source circuit to generate a tone based on the performance data being read out at a time of the operation of the first operation member and having the pitch changed by the note pitch changing device.

An electronic musical instrument comprising:

• a first operation member having a plurality of operating sections;
• a second operation member;
• a memory device that stores performance data for a performance;
• a sound source circuit;
• an assigning device that determines pitches for a scale matching at least one of a key of the performance data and a chord progression of the performance data and assigns the pitches of the scale to the plurality of operating sections of the first operation member;
• and
• a tone generation instructing device that, in response to operation of the second operation member and one of the operating sections of the first operation member, gives an instruction to the sound source circuit to generate at least one tone based on one of the pitches assigned to the one of the operating sections of the first operation member.

An electronic musical instrument comprising:

• a first operation member having a plurality of operating positions;
• a second operation member;
• a memory device that stores performance data for performance;
• a sound source circuit;
• an assigning device that determines a frequency of appearance of each note included in the performance data and determines a plurality of notes appearing at higher frequencies than other notes within a predetermined frequency range as scale notes for the performance and assigns the scale notes to the plurality of operating positions of the first operation member;
• and
• a tone generation instructing device that, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, gives an instruction to the sound source circuit to generate a tone based on one of the scale notes assigned to the one of the plurality of operating positions of the first operation member.

An electronic musical instrument comprising:

• a first operation member having a plurality of operating positions;
• a second operation member;
• a memory device that stores performance data for performance;
• a sound source circuit;
• a reading device that successively reads out the performance data from the memory device with progression of the performance;
• an assigning device that, in response to operation of the second operation member, detects a plurality of notes included in the performance data read out at a time of the operation of the second operation member, determines the detected plurality of notes as chord composing notes that form a chord and assigns the determined chord composing notes to the plurality of operating positions of the first operation member;
• and
• a tone generation instructing device that, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, gives an instruction to the sound source circuit to generate a tone based on a note pitch assigned to the one of the plurality of operating positions of the first operation member.

An electronic musical instrument comprising:

• a first operation member having a plurality of operating positions;
• a second operation member;
• a memory device that stores performance data for performance;
• a reading device that successively reads out the performance data from the memory device;
• a sound source circuit;
• a scale determining device that determines a frequency of appearance of each note included in the performance data and determines a plurality of notes appearing at higher frequencies than other notes within a predetermined frequency range as scale composing notes forming a scale for the performance;
• an assigning device that detects, in response to operation of the second operation member, a plurality of notes included in the performance data read out from the reading device at a time of operation of the second operation member, determines the detected plurality of notes as chord composing notes that form a chord and assigns the determined chord composing notes to the plurality of positions of the first operation member, wherein when the number of the detected plurality of notes does not reach a specified number appropriate notes are selected from the determined scale composing notes and added to the chord composing notes to reach the specified number;
• and
• a tone generation instructing device that, in response to operation of the second operation member and one of the plurality of operating positions of the first operation, gives an instruction to the sound source circuit to generate a tone based on a note pitch assigned to the one of the plurality of operating positions of the first operation member.

A method of operating an electronic musical instrument, comprising the steps of:

• storing performance data for a performance in a memory;
• reading out the performance data from the memory in response to operation of a first operation member and instructing a sound source circuit to generate a tone based on the performance data, wherein at each operation of the first operation member a progression position of the performance is renewed and an instruction to mute a tone that has already been instructed to generate is given;
• and
• instructing the sound source circuit to mute the tone in response to operation of a second operation member.

A method of operating an electronic musical instrument, comprising the steps of:

• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory with progression of the performance;
• instructing, in response to operation of a first operation member, a sound source circuit to generate a tone based on the performance data being read out at a time of the operation of the first operation member and giving an instruction to mute a tone that has been previously generated;
• and
• instructing the sound source circuit to mute the tone in response to operation of a second operation member.

A method of operating an electronic musical instrument, comprising the steps of:

• storing first performance data and second performance data for a performance in a memory;
• reading out the first performance data from the memory in response to operation of a first operation member and instructing a sound source circuit to generate a tone based on the first performance data, wherein at each operation of the first operation member a progression position of the performance is renewed;
• successively reading out the second performance data from the memory and giving an instruction to the sound source circuit to generate a tone based on the second performance data;
• and
• selectively rendering effective one of the tone based on the first performance data read out and the tone based on the second performance data, wherein when the second operation member is operated while the tone based on the first performance data is rendered effective, the tone based on the second performance data is rendered effective instead of the tone based on the first performance data.

A method of operating an electronic musical instrument, comprising the steps of:

• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory with progression of the performance;
• changing a pitch of the performance data read out in response to operation of a second operation member;
• instructing, in response to operation of a first operation member, a sound source circuit to generate a tone based on the performance data read out at a time of the operation of the first operation member and having the changed pitch.

A method of operating an electronic musical instrument, comprising the steps of:

• providing a first operation member having a plurality of operating sections and a second operation member;
• storing performance data for a performance in a memory;
• determining pitches for a scale matching at least one of a key of the performance data and a chord progression of the performance data and assigning the pitches of the scale to the plurality of operating sections of the first operation member;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating sections of the first operation member, a sound source circuit to generate one of the pitches assigned to the one of the plurality of operating sections of the first operation member.

A method of operating an electronic musical instrument, comprising the steps of:

• providing a first operation member having a plurality of operating positions and a second operation member;
• storing performance data for a performance;
• determining a frequency of appearance of each note included in the performance data, determining a plurality of notes appearing at higher frequencies than other notes within a predetermined frequency range as scale notes for the performance and assigning the scale notes to the plurality of operating positions of the first operation member;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, a sound source circuit to generate a tone based on one of the scale notes assigned to the one of the plurality of operating positions of the first operation member that is operated.

A method of operating an electronic musical instrument, comprising:

• providing a first operation member having a plurality of operating positions;
• providing a second operation member;
• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory with progression of the performance;
• detecting, in response to operation of the second operation member, a plurality of notes included in the performance data read out at a time of the operation of the second operation member, determining the detected plurality of notes as chord composing notes that form a chord and assigning the determined chord composing notes to the plurality of positions of the first operation member;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, a sound source circuit to generate a tone based on one of the notes assigned to the one of the plurality of operating positions of the first operation member that is operated.

A method of operating an electronic musical instrument, comprising the steps of:

• providing a first operation member having a plurality of operating positions;
• providing a second operation member;
• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory;
• determining a frequency of appearance of each note included in the performance data and determining a plurality of notes appearing at higher frequencies within a predetermined range as scale composing notes forming a scale for the performance;
• detecting, in response to operation of the second operation member, a plurality of notes included in the performance data read out at a time of operation of the second operation member, determining the detected plurality of notes as chord composing notes that form a chord and assigning the determined chord composing notes to the plurality of positions of the first operation member, wherein when the number of the detected plurality of notes does not reach a specified number appropriate notes are selected from the determined scale composing notes and added to the chord composing notes to reach the specified number;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, a sound source circuit to generate a tone based on a note pitch assigned to the one of the plurality of operating positions of the first operation member that is operated.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• storing performance data for a performance in a memory;
• reading out the performance data from the memory in response to operation of a first operation member and instructing a sound source circuit to generate a tone based on the performance data, wherein at each operation of the first operation member a progression position of the performance is renewed and an instruction to mute a tone that has already been instructed to generate is given;
• and
• instructing the sound source circuit to mute the tone in response to operation of a second operation member.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory with progression of the performance;
• instructing, in response to operation of a first operation member, a sound source circuit to generate a tone based on the performance data being read out at a time of the operation of the first operation member and giving an instruction to mute a tone that has been previously generated;
• and
• instructing the sound source circuit to mute the tone in response to operation of a second operation member.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• storing first performance data and second performance data for a performance in a memory;
• reading out the first performance data from the memory in response to operation of a first operation member and instructing a sound source circuit to generate a tone based on the first performance data, wherein at each operation of the first operation member a progression position of the performance is renewed;
• successively reading out the second performance data from the memory and giving an instruction to the sound source circuit to generate a tone based on the second performance data;
• and
• selectively rendering effective one of the tone based on the first performance data read out and the tone based on the second performance data, wherein when the second operation member is operated while the tone based on the first performance data is rendered effective, the tone based on the second performance data is rendered effective instead of the tone based on the first performance data.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory with progression of the performance;
• changing a pitch of the performance data read out in response to operation of a second operation member;
• instructing, in response to operation of a first operation member, a sound source circuit to generate a tone based on the performance data read out at a time of the operation of the first operation member and having the changed pitch.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• storing performance data for a performance;
• determining a frequency of appearance of each note included in the performance data, determining a plurality of notes appearing at higher frequencies than other notes within a predetermined frequency range as scale notes for the performance and assigning the scale notes to a plurality of operating positions of a first operation member;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, a sound source circuit to generate a tone based on one of the scale notes assigned to the one of the plurality of operating positions of the first operation member that is operated.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• determining a first operation member having a plurality of operating positions and a second operation member;
• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory with progression of the performance;
• detecting, in response to operation of the second operation member, a plurality of notes included in the performance data read out at a time of the operation of the second operation member, determining the detected plurality of notes as chord composing notes that form a chord and assigning the determined chord composing notes to the plurality of positions of the first operation member;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, a sound source circuit to generate a tone based on one of the notes assigned to the one of the plurality of operating positions of the first operation member that is operated.

A machine readable media containing instructions for causing an apparatus to perform a method of generating musical tones, the method comprising:

• determining a first operation member having a plurality of operating positions and a second operation member;
• storing performance data for a performance in a memory;
• successively reading out the performance data from the memory;
• determining a frequency of appearance of each note included in the performance data and determining a plurality of notes appearing at higher frequencies within a predetermined range as scale composing notes forming a scale for the performance;
• detecting, in response to operation of the second operation member, a plurality of notes included in the performance data read out at a time of operation of the second operation member, determining the detected plurality of notes as chord composing notes that form a chord and assigning the determined chord composing notes to the plurality of positions of the first operation member, wherein when the number of the detected plurality of notes does not reach a specified number appropriate notes are selected from the determined scale composing notes and added to the chord composing notes to reach the specified number;
• and
• instructing, in response to operation of the second operation member and one of the plurality of operating positions of the first operation member, a sound source circuit to generate a tone based on a note pitch assigned to the one of the plurality of operating positions of the first operation member that is operated.