| 984 / | HD | MUSICAL INSTRUMENTS |
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| 300 | DD | ELECTRONIC MUSICAL INSTRUMENTS {structural combinations of microphones, pick-ups, or amplifiers with musical instruments subclasses 1+, 50+, and 100+; Instruments in which each note is generated by a different individually-actuated mechanical resonating structure and is amplified electrically subclasses 50+; Instruments in which each note is produced by a different electrically-vibrated sounding element subclasses 100+; Electronic circuits in general H03. {G10H} {4} |
| 388 | DD | .~ Instruments in which the tones are synthesized from a data store, e.g., computer organs,etc. {synthesis of acoustic waves not specific to musical instruments G10K 15/02, G10L} {G10H 7/00} {4} |
| 391 |  | .~.~ In which amplitudes at sucessive sample points of a tone waveform are stored in one or more memories {G10H 7/02} {2} |
| 392 | DD | .~.~.~> In which amplitudes are read at varying rates, e.g., according to pitch, etc. {G10H 7/04} {1} |
| 394 | DD | .~.~.~> In which amplitudes are read at a fixed rate, the read-out address varying stepwise by a given value, e.g., acoording to pitch, etc. {G10H 7/06} |