Digital audio signal processor
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United States of America Patent
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-
Dec 10, 1991
Grant Date -
N/A
app pub date -
Sep 20, 1988
filing date -
Sep 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital signal processing apparatus is provided for identifying the octave, note and cent of a musical sound. The apparatus includes a transducer for converting the musical sound into an electrical signal, a digital detection unit, receiving the electrical signal from the transducer, for determining the octave, note and cent of the material sound by detecting a fundamental frequency of the electrical signal; and a display unit, responsive to the detection unit, for displaying the note as an alphanumeric character and the cent as a positive or negative decimal integral number from -49 to +50 with zero cents representing perfect concert pitch.
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