Patent ID: 11942106
Assignee: YAMAHA CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC G  F | IPC F  G

Claim 8:
9. An audio analyzer comprising:
at least one memory; and
at least one processor configured to execute a program stored in the at least one memory, wherein
the at least one processor is configured to:
acquire a series of feature amounts of an audio signal; and
generate boundary data by inputting the acquired series of feature amounts into a boundary estimation model that has learned relationships between: (i) a series of feature amounts, and (ii) boundary data representative of boundaries, each boundary being between consecutive periods in each of which a chord is continuous,

the audio signal includes audio components for different pitch classes, and
each of the series of feature amounts of the audio signal includes, for each of the different pitch classes, a component intensity depending on an intensity of a corresponding audio component from among the audio components.