Patent classifications
G
PHYSICS
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G10
MUSICAL INSTRUMENTS; ACOUSTICS
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G10H
ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
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7/00
Instruments in which the tones are synthesised from a data store, e.g. computer organs
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G10H7/08
by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
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G10H7/10
using coefficients or parameters stored in a memory, e.g. Fourier coefficients
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G10H7/105
using Fourier coefficients
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