Method and apparatus for imparting an effect to a tone signal wi

Details Method and apparatus for imparting an effect to a tone signal wi Method and apparatus for imparting an effect to a tone signal wi

1996-09-18

1998-03-24

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84665, G10H 102

Patent

active

057315345

ABSTRACT:
An effect imparting processing and other processing are executed by shared use of a same microprocessor. When the other processing involves a relatively great amount of calculation, the effect imparting processing is set to a lower grade to reduce the amount of calculation necessary for the effect imparting processing, so that more computing capability of the microprocessor can be allocated to the other processing. When the other processing involves a relatively small amount of calculation, the effect imparting processing is set to a higher grade to impart a higher-quality effect to a tone signal. In an effect imparting device, the level of the input audio signal is monitored and execution of the effect imparting processing is discontiued when supply of the audio signals is stopped continuously for a predetermined time period. Thereafter, the effect imparting processing is resumed when the supply of the audio signal is restarted.

REFERENCES:
patent: 4731835 (1988-03-01), Futamase et al.
patent: 5319151 (1994-06-01), Shiba et al.
patent: 5410603 (1995-04-01), Ishiguro et al.
patent: 5420374 (1995-05-01), Hotta
patent: 5473107 (1995-12-01), Mizuno
patent: 5554814 (1996-09-01), Nakata
patent: 5596159 (1997-01-01), O'Connell

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