Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2007-11-27
2007-11-27
Donels, Jeffrey (Department: 2837)
Music
Instruments
Electrical musical tone generation
C084S636000
Reexamination Certificate
active
10816737
ABSTRACT:
Methods and systems for detecting a fundamental beat frequency in a predetermined time interval of a music signal are disclosed. The frequency may be detected by processing a music signal with the discrete wavelet transform to obtain a set of coefficients. A subset of the coefficients may be processed to obtain a plurality of candidate beat frequencies contained in the corresponding portion of the music signal. Harmonic relationships between the candidate beat frequencies may be determined, and the fundamental beat frequency may then be determined based upon the determined harmonic relationships.
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F
McNally Guy W. W.
Tung Charmine S.
Zamara Christopher J.
Donels Jeffrey
Gordon Peter J.
Hamilton John A.
Pinnacle Systems Inc.
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