Electronic music system for detecting pitch
First Claim
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1. A computerized method for detecting a pitch of a musical signal comprising the steps of:
- receiving an electrical signal representative of the musical signal;
identifying an active portion of the musical signal, the active portion comprising at least one of a noisy portion and a periodic portion;
identifying the periodic portion of the active portion of the musical signal;
determining a fundamental frequency of the periodic portion of the musical signal; and
generating a pitch signal based on the fundamental frequency.
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Abstract
A method for detecting the pitch of a musical signal comprising the steps of receiving the musical signal, identifying an active portion of the musical signal, identifying a periodic portion of the active portion of the musical signal, and determining a fundamental frequency of the periodic portion of the musical signal.
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Citations
11 Claims
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1. A computerized method for detecting a pitch of a musical signal comprising the steps of:
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receiving an electrical signal representative of the musical signal; identifying an active portion of the musical signal, the active portion comprising at least one of a noisy portion and a periodic portion; identifying the periodic portion of the active portion of the musical signal; determining a fundamental frequency of the periodic portion of the musical signal; and generating a pitch signal based on the fundamental frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A computer readable medium having a computer executable program code stored thereon, the program code for determining the pitch of a musical signal, the program comprising;
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code for receiving an electrical representation of a musical signal; code for identifying an active portion of the musical signal; code for identifying a periodic portion of the musical signal; code for determining a fundamental frequency of the periodic portion of the musical signal; and code for generating a pitch signal based on the fundamental frequency.
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11. A programmed computer for determining the pitch of a musical signal comprising:
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an input device for receiving an electrical representation of a musical signal; a storage device having a portion for storing computer executable program code; a processor for executing the computer program stored in the storage device wherein the processor is operative with the computer program code to;
receive the electrical representation of the musical signal;
identify an active portion of the musical signal;
identify a periodic portion of the musical signal; and
determine a fundamental frequency of the periodic portion of the musical signal; andan output device for outputting a pitch signal based on the fundamental frequency.
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Specification