Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2007-05-08
2007-05-08
Donels, Jeffrey W (Department: 2837)
Music
Instruments
Electrical musical tone generation
C084S616000
Reexamination Certificate
active
10496635
ABSTRACT:
In a method for generating an identifier for an audio signal including a tone generated by an instrument, a discrete amplitude-time representation of the audio signal is generated at first, wherein the amplitude-time representation, for a plurality of subsequent points in time, comprises a plurality of subsequent amplitude values, wherein a point in time is associated to each amplitude value. Subsequently, an identifier for the audio signal is extracted from the amplitude-time representation. An instrument database is formed from several identifiers for several audio signals including tones of several instruments. By means of a test identifier for an audio signal having been produced by an unknown instrument, the type of the test instrument is determined using the instrument database. A precise instrument identification can be obtained by using the amplitude-time representation of a tone produced by an instrument for identifying a musical instrument.
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Brandenburg Karlheinz
Klefenz Frank
Donels Jeffrey W
Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung
Glenn Michael A.
Glenn Patent Group
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