by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform

Full Title

Instruments in which the tones are synthesised from a data store, e.g. computer organs > by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform

Classification Context

Section:

PHYSICS

Class:

MUSICAL INSTRUMENTS; ACOUSTICS

Subclass:

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

Child Classifications

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• G10H 7/1 using coefficients or parameters stored in a memory, e.g. Fourier coefficients
• G10H 7/12 by means of a recursive algorithm using one or more sets of parameters stored in a memory and the calculated amplitudes of one or more preceding sample points