Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2008-07-08
2008-07-08
Donels, Jeffrey (Department: 2837)
Music
Instruments
Electrical musical tone generation
C700S094000
Reexamination Certificate
active
07396990
ABSTRACT:
A system and methods use music features extracted from music to detect a music mood within a hierarchical mood detection framework. A two-dimensional mood model divides music into four moods which include contentment, depression, exuberance, and anxious/frantic. A mood detection algorithm uses a hierarchical mood detection framework to determine which of the four moods is associated with a music clip based on the extracted features. In a first tier of the hierarchical detection process, the algorithm determines one of two mood groups to which the music clip belongs. In a second tier of the hierarchical detection process, the algorithm then determines which mood from within the selected mood group is the appropriate, exact mood for the music clip. Benefits of the mood detection system include automatic detection of music mood which can be used as music metadata to manage music through music representation and classification.
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Lu Lie
Zhang Hong-Jiang
Donels Jeffrey
Lee & Hayes PLLC
Microsoft Corporation
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