Memory reduction method and apparatus for variable frequency div

Details Memory reduction method and apparatus for variable frequency div Memory reduction method and apparatus for variable frequency div

1998-11-10

2000-10-31

Donels, Jeffrey

Music

Instruments

Electrical musical tone generation

84675, G10H 506

Patent

active

061405698

ABSTRACT:
Method and apparatus reduce the memory capacity needed to store control codes used to obtain specified frequency values that represent musical tones with a predetermined relationship. The predetermined relationship of the musical tones allows a dual-tone melody generating music box to play melodies two notes at a time. A six-bit code is used to instruct a frequency divider how to divide a master frequency into each desired musical tone.

REFERENCES:
patent: 4522099 (1985-06-01), Melsheimer
patent: 4537108 (1985-08-01), Shiramizu
patent: 4805508 (1989-02-01), Isozaki
patent: 5426260 (1995-06-01), Terashima et al.

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