System for processing musical sound data having overflow/underfl

Details System for processing musical sound data having overflow/underfl System for processing musical sound data having overflow/underfl

1993-09-07

1994-12-20

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84633, 84663, 84665, G10H 702

Patent

active

053747763

ABSTRACT:
A system for use in an electronic musical instrument, which system includes a musical sound generating unit for generating a musical sound, and a detection unit for detecting that the magnitude of the musical sound data generated by the musical sound generating unit exceeds a processing capability, on the basis that the value indicated by the most significant bit prior to data processing not equal to that after data processing. A maintaining unit is also included which forcibly maintain the level of a signal representing the musical sound data at a maximum amplitude thereof, on the basis of the result of the detection effected by detection unit.

REFERENCES:
patent: 3763364 (1973-10-01), Deutsch et al.
patent: 4520347 (1985-05-01), Campbell, Jr.
patent: 4554857 (1985-11-01), Nishimoto
patent: 4722066 (1988-01-01), Armer et al.
patent: 4833963 (1989-05-01), Hayden et al.
patent: 4986159 (1991-01-01), Matsushima et al.
Microelectronic Circuits; Adel Sedra, Kenneth Smith; Pub. Holt, Rinehart and Winston; Co 1982; pp. 786-788.

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