System and process for composing musical sections

A system for composing music in response to a user's interaction with a multimedia presentation comprising:

• an application program interface for receiving parameters identifying music related to said user's interaction with said multimedia presentation;
• and
• a composition engine for composing a musical section corresponding to said parameters so that a user perceives the performance of the musical section to be related to said user's interaction with said multimedia presentation, said composition engine comprising a musical template generator for generating a musical template to define a musical shape for said composed musical section.

A system for composing music in response to a user's interaction with a multimedia presentation comprising:

• an application program interface for receiving parameters identifying music related to said user's interaction with said multimedia presentation;
• and
• a composition engine for composing a musical section corresponding to said parameters so that a user perceives the performance of the musical section to be related to said user's interaction with said multimedia presentation, said composition engine comprising a musical section generator for generating said musical section from a musical template and a personality, said musical template defining a musical shape for said musical section and said personality defining musical chord data for said musical section.

A process for varying the musical accompaniment of a multimedia presentation so the accompaniment varies in response to a user's interaction, comprising the step of:

• composing a musical section in response to parameters received from an application program driving the multimedia presentation, said parameters identifying a style, a shape, and a personality for said musical accompaniment, said composed musical section being performed by a performance engine in response to said user's interaction with the multimedia presentation.

A process for varying the musical accompaniment of a multimedia presentation so the accompaniment varies in response to a user's interaction comprising the steps of:

• composing a musical section in response to parameters received from an application program driving the multimedia presentation, said composed musical section being performed by a performance engine in response to said user's interaction with the multimedia presentation;
• and
• composing a chord progression to place in said composed musical section.

A process for varying the musical accompaniment of a multimedia presentation so the accompaniment varies in response to a user's interaction, comprising the steps of:

• composing a musical section in response to parameters received from an application program driving the multimedia presentation, said composed musical section being performed by a performance engine in response to said user's interaction with the multimedia presentation;
• and
• converting a personality of a current musical section to another personality.

A process for varying the musical accompaniment of a multimedia presentation so the accompaniment varies in response to a user's interaction, comprising the steps of:

• composing a musical section in response to parameters received from an application program driving the multimedia presentation, said composed musical section being performed by a performance engine in response to said user's interaction with the multimedia presentation;
• and
• performing a motif in accordance with said composed musical section.

A composition engine for composing chord progressions comprising:

• an arbitrator for receiving parameters for composing a musical section and retrieving a musical template in response to said parameters, said parameters comprising a personality;
• and
• a musical section generator for generating said musical section from said musical template and said personality received from said arbitrator.

A computer readable medium on which is stored a computer program for varying the musical accompaniment of a multimedia presentation so the accompaniment varies in response to a user's interaction, said computer program comprising instructions which, when executed by a computer, perform the step of:

• composing a musical section in response to parameters received from an application program driving the multimedia presentation, said parameters identifying a style, a shape, and a personality for said musical accompaniment, said composed musical section being performed by a performance engine in response to said user's interaction with the multimedia presentation.