Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2011-08-30
2011-08-30
Warren, David S. (Department: 2832)
Music
Instruments
Electrical musical tone generation
C084S608000, C084S616000, C084S623000
Reexamination Certificate
active
08008566
ABSTRACT:
Methods, system and/or computer program products for detection of a note include receiving an audio signal and generating a plurality of frequency domain representations of the audio signal over time. A time domain representation is generated from the plurality of frequency domain representations. A plurality of edges are detected in the time domain representation and the note is detected by selecting one of the plurality of edges as corresponding to the note based on characteristics of the time domain representation.
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Gross Andrew H.
Schwaller Peter J.
Walker, II John Q.
Myers Bigel & Sibley & Sajovec
Warren David S.
Zenph Sound Innovations Inc.
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