Frequency spectrum conversion to natural harmonic...

Details Frequency spectrum conversion to natural harmonic... Frequency spectrum conversion to natural harmonic...

2006-06-01

2010-11-23

Donels, Jeffrey (Department: 2832)

Music

Instruments

Electrical musical tone generation

C084S445000

Reexamination Certificate

active

07838757

ABSTRACT:
A process for converting standard musical notes to Ra format musical notes comprising inputting a signal of standard musical notes, analyzing the frequency of each note in the signal, selecting a Ra format natural harmonic resonance, converting the frequency of each note in the signal to a Ra format frequency corresponding to the selected Ra format natural harmonic resonance, and outputting signal consisting of the converted notes. An apparatus including a processor capable of performing the inventive process on a signal of standard musical notes. The apparatus (12) includes a signal input port (14) and a signal output port, means for converting the frequency of standard musical notes to a corresponding frequency of Ra musical notes, means for selecting a Ra format natural harmonic resonance, and a frequency analyzer (26).

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patent: 2005/0268774 (2005-12-01), Howarth et al.
wikipedia.org—“Musical tuning,” viewed Aug. 1, 2010.

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