Instruments in which the tones are synthesised from a data store, e.g. computer organs

Introduced: January 1980

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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G10H 7/002 +2 CPC CPC only CPC only
G10H 7/008 CPC only CPC only
G10H 7/02 in which amplitudes at successive sample points of a tone waveform are stored in one or more memories since 1990 IPC+CPC Available in IPC and CPC
G10H 7/08 by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform since 1990 IPC+CPC Available in IPC and CPC