Electronic musical instrument having waveform memory

Details Electronic musical instrument having waveform memory Electronic musical instrument having waveform memory

1990-02-13

1992-01-21

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

G10H 700

Patent

active

050818970

ABSTRACT:
An electronic musical instrument includes a decimal point position converting device for dividing an address corresponding to key information into an integer portion address and a decimal point portion address, the integer portion address being readout and sent to a waveform data memory as a read address, wherein a bit number of the address for access to the waveform data memory is changed correspondingly to a respective musical sound generators. An address control circuit converts the address corresponding to the key information into an address format in a location of the waveform data memory in which the desired waveform data is stored, and a data format converter circuit converts a data format of the desired waveform data readout from the waveform data memory so that the data readout from the waveform data memory is converted correspondingly to a respective one of the musical sound generators. A status memory stores control data for controlling operations of the decimal point position converting circuit, the address control circuit and the data format converter circuit.

REFERENCES:
patent: 4646608 (1987-03-01), Deutsch

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