Waveform data read signal generating apparatus

Details Waveform data read signal generating apparatus Waveform data read signal generating apparatus

1984-03-26

1986-01-14

Witkowski, S. J.

Music

Instruments

84 101, G10H 106, G10H 700

Patent

active

045639329

ABSTRACT:
A note ROM is addressed in response to a note code signal generated from a note code generator, and basic data is read out from the note ROM. The basic data is shifted by one higher bit and is thus doubled, and the shifted data is supplied to the A terminals of a full-adder. The basic data read out from the note ROM is supplied to the B terminals of the full-adder. The full-adder generates integer multiple data which has a value three times that of the basic data. This integer multiple data is decremented by one every time a clock is generated. When the integer multiple data becomes zero, a one-shot waveform data read clock signal is generated through an inverter.

REFERENCES:
patent: 4351212 (1982-09-01), Okamoto et al.
patent: 4466325 (1984-08-01), Takaji

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