Musical analysis device, musical analysis method, and non-transitory computer-readable medium
AssigneeYamaha Corporation
InventorKouhei Sumi
Life of this patent
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Abstract
A musical analysis device comprises an electronic controller including at least one processor. The electronic controller is configured to execute a plurality of modules including a detection module configured to detect, using a detection model through a model training process with machine learning, bar lines based on audio information indicating a musical piece, and a correction module configured to correct positions of the bar lines detected by the detection module based on a reference meter identified from the musical piece.
Claims16
A musical analysis device comprising:
- an electronic controller including at least one processor, the electronic controller being configured to execute a plurality of modules including
- a detection module configured to detect, using a detection model through a model training process with machine learning, bar lines based on audio information indicating a musical piece, and
- a correction module configured to correct positions of the bar lines detected by the detection module based on a reference meter identified from the musical piece, such that a number of measures having a reference number of beats included in the reference meter increases, and
- the correction module being configured to correct the positions of the bar lines to obtain one or more measures having the reference number of beats by dividing a measure having a number of beats greater than or equal to a division number of beats, obtained by adding a prescribed value to the reference number of beats.
A musical analysis method realized by a computer, the music analysis method comprising:
- detecting, using a detection model through a model training process with machine learning, bar lines based on audio information indicating a musical piece;
- and
- correcting positions of the detected bar lines based on a reference meter identified from the musical piece, such that a number of measures having a reference number of beats included in the reference meter increases,
- the positions of the bar lines being corrected to obtain one or more measures having the reference number of beats by dividing a measure having a number of beats greater than or equal to a division number of beats, obtained by adding a prescribed value to the reference number of beats.
A musical analysis device comprising:
- an electronic controller including at least one processor, the electronic controller being configured to execute a plurality of modules including
- a detection module configured to detect, using a detection model through a model training process with machine learning, bar lines based on audio information indicating a musical piece,
- a correction module configured to correct positions of the bar lines detected by the detection module based on a reference meter identified from the musical piece, and
- an extraction module configured to set a section after a non-chord section, which does not show tonality, ends in the musical piece as a bar line detection target section.
A music analysis method realized by a computer, the music analysis method comprising:
- detecting, using a detection model through a model training process with machine learning, bar lines based on audio information indicating a musical piece;
- correcting positions of the detected bar lines based on a reference meter identified from the musical piece;
- and
- setting a section after a non-chord section, which does not show tonality, ends in the musical piece as a bar line detection target section.
Dependencies are inferred from the claim text.