Method and apparatus for creating an automatic accompaniment pattern on the basis of analytic parameters

An automatic accompaniment pattern generating device, comprising:

• parameter supply means for supplying a plurality of parameters including at least one time-varying parameter;
• accompaniment pattern forming means for determining respective note information and sounding timing information of accompaniment tones on the basis of the parameters supplied by said parameter supply means, so as to form an accompaniment pattern comprised of the determined note information and sounding timing information;
• and
• chord designation means for designating a chord, wherein said accompaniment pattern forming means determines the note information in consideration of the chord designated by said chord designation means.

An automatic accompaniment pattern generating device comprising:

• parameter supply means for supplying a plurality of parameters;
• performance operator means;
• change means for detecting a performance state of said performance operator means, so as to change the parameters supplied by said supply means on the basis of performance states detected at least for a current time and a given past time;
• and
• accompaniment pattern forming means for, on the basis of the parameters supplied by said parameter supply means, determining the presence or absence of an accompaniment tone and determining a note for each present accompaniment tone, every one of plural time points within a predetermined time frame, so as to form an accompaniment pattern by assigning the determined note to each of the time points where it has been determined that the accompaniment tone is present,
• whereby the accompaniment pattern to be formed by said accompaniment pattern forming means is changed in response to a changing real-time performance via said performance operator means.

An automatic accompaniment pattern generating device comprising:

• parameter supply means for supplying a plurality of parameters;
• performance operator means;
• chance means for detecting a performance state of said performance operator means, so as to change the parameters supplied by said supply means on the basis of performance states detected at least for a current time and a given past time;
• and
• accompaniment pattern forming means for determining respective note information and sounding timing information of accompaniment tones on the basis of the parameters supplied by said parameter supply means, so as to form an accompaniment pattern comprised of the determined note information and sounding timing information;
• whereby the accompaniment pattern to be formed by said accompaniment pattern forming means is changed in response to a changing real-time performance via said performance operator means,
• wherein said parameter supply means selects and supplies parameters from among a multiplicity of parameters in accordance with the detected performance state of said performance means.

An automatic accompaniment pattern generating device comprising:

• input means for inputting performance information to said device;
• parameter preparation means for analyzing the performance information inputted by said input means and preparing a parameter in accordance with the analyzed performance information;
• and
• accompaniment pattern forming means for determining respective note information and sounding timing information of accompaniment tones on the basis of the parameter prepared by said parameter preparation means, so as to form an accompaniment pattern comprised of the determined note information and sounding timing information.

An automatic accompaniment pattern generating device comprising:

• parameter supply means for supplying a plurality of parameters;
• performance operator means;
• modulation means for modulating at least one of the parameters to be supplied by said parameter supply means in accordance with a performance state of said performance operator means;
• and
• accompaniment pattern forming means for, on the basis of the parameters supplied by said parameter supply means, determining the presence or absence of an accompaniment tone and determining a note for each present accompaniment tone, every one of plural time points within a predetermined time frame, so as to form an accompaniment pattern by assigning the determined note to each of the time points where it has been determined that the accompaniment tone is present,
• wherein the accompaniment pattern to be formed by said accompaniment pattern forming means is changed in response to a changing real-time performance via said performance operator means.

An automatic accompaniment pattern generating device comprising:

• parameter supply means for supplying a plurality of parameters;
• performance operator means;
• modulation means for modulating at least one of the parameters to be supplied by said parameter supply means in accordance with a performance state of said performance operator means;
• and
• accompaniment pattern forming means for determining respective note information and sounding timing information of accompaniment tones on the basis of the parameter modulated by said modulation means, so as to form an accompaniment pattern comprised of the determined note information and sounding timing information,
• whereby the accompaniment pattern to be formed by said accompaniment pattern forming means is changed in response to a changing real-time performance via said performance operator means, and
• wherein said modulation means includes means for adding a given value depending on the performance state to the parameter supplied by said parameter supply means.

A method for automatically generating an accompaniment pattern, said method comprising the steps of:

• supplying a plurality of parameters including at least one time-varying parameter;
• designating a chord;
• determining respective note information and sounding timing information of accompaniment tones on the basis of the supplied parameters, said note information being determined in consideration of the chord designated by said step of designating;
• and
• forming an accompaniment pattern comprised of the determined note information and sounding timing information.

A method for automatically generating an accompaniment pattern, said method comprising the steps of:

• inputting performance information;
• analyzing the inputted performance information;
• preparing a parameter in accordance with the analyzed performance information;
• determining respective note information and sounding timing information of accompaniment tones on the basis of the prepared parameter;
• and
• forming an accompaniment pattern including the determined note information and sounding timing information.

A machine readable media for use in a data processing system including a CPU, said media containing instructions executable by said CPU for causing said system to perform the steps of:

• supplying a plurality of parameters including at least one time-varying parameter;
• designating a chord;
• determining respective note information and sounding timing information of accompaniment tones on the basis of the supplied parameters, said note information being determined in consideration of the chord designated by said step of designating;
• and
• forming an accompaniment pattern comprised of the determined note information and sounding timing information.

A machine readable media for use in a data processing system including a CPU, said media containing instructions executable by said CPU for causing said system to perform the steps of:

• inputting performance information;
• analyzing the inputted performance information;
• preparing a parameter in accordance with the analyzed performance information;
• determining respective note information and sounding timing information of accompaniment tones on the basis of the prepared parameter;
• and
• forming an accompaniment pattern including the determined note information and sounding timing information.

An automatic accompaniment generating device, comprising:

• a parameter supplying device for supplying analytic parameters analytically describing an accompaniment performance;
• a determining device for, on the basis of the analytic parameters supplied by said parameter supplying device, determining presence or absence of an accompaniment tone and determining a note for each present accompaniment tone, every one of plural time points within a predetermined time frame;
• and
• a pattern forming device for forming an accompaniment pattern by assigning the determined note to each of the time points where said determining device has determined that the accompaniment tone is present.

A method for creating an accompaniment pattern comprising the steps of:

• supplying analytic parameters analytically describing an accompaniment performance;
• determining the presence or absence of an accompaniment tone and determining a note for each present accompaniment tone, every one of plural time points within a predetermined time frame on the basis of the analytic parameters supplied by said parameter supplying device;
• and
• forming an accompaniment pattern by assigning the determined note to each of the time points where said determining device has determined that the accompaniment tone is present.

A machine readable media for use in a data processing system including a CPU, said media containing instructions executable by said CPU for causing said system to perform the steps of:

• supplying analytic parameters analytically describing an accompaniment performance;
• determining the presence or absence of an accompaniment tone and determining a note for each present accompaniment tone, every one of plural time points within a predetermined time frame on the basis of the analytic parameters supplied by said parameter supplying device;
• and
• forming an accompaniment pattern by assigning the determined note to each of the time points where said determining device has determined that the accompaniment tone is present.