Musical tone signal generating apparatus

Details Musical tone signal generating apparatus Musical tone signal generating apparatus

1990-10-10

1991-12-31

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84DIG10, G10H 114, G10H 700

Patent

active

050761331

ABSTRACT:
A musical tone signal generating apparatus provides at least plural modulation operation systems and plural memories, wherein each of the modulation operation systems carries out the predetermined modulation operation on each of plural pieces of input information applied thereto so that each of the memories stores the operation result thereof as the waveform information. These modulation operation systems are connected together such that plural pieces of waveform information stored in the memories are selectively supplied to each modulation operation system. By changing over the connections between the modulation operation systems and memories in the time-sharing system, the waveform operation is carried out based on the predetermined algorithms for forming the musical tone signal. Preferably, the predetermined modulation operation is the frequency-modulation operation.

REFERENCES:
patent: 4297933 (1981-11-01), Nishimoto
patent: 4554857 (1985-11-01), Nishimoto

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