Automatic rhythm performing apparatus capable of expressing stre

Details Automatic rhythm performing apparatus capable of expressing stre Automatic rhythm performing apparatus capable of expressing stre

1976-03-15

1977-04-19

Hix, L. T.

Music

Instruments

84 124, G01H 100

Patent

active

040181235

ABSTRACT:
An automatic rhythm performing apparatus comprises a rhythm pattern generator for generating stressed beat pattern pulses representative of stressed beats of a rhythm to be generated and relaxed beat pattern pulses representative of relaxed beats of the rhythm, a tone generator, a rhythm gate coupled to the tone generator and a mute gate coupled to the rhythm gate. The rhythm gate is operative to impart a decayed envelope to a tone signal from the tone generator in reponse to each of the stressed beat pattern pulses and the mute gate is operative to suppress a portion of a decayed output signal from the rhythm gate in response to each of the relaxed beat pattern pulses. The automatic rhythm performing apparatus can be used for an automatic chord performance of a keyboard type electronic musical instrument.

REFERENCES:
patent: 3247309 (1966-04-01), Campbell
patent: 3646242 (1972-02-01), Okamoto
patent: 3742112 (1973-06-01), Okamoto
patent: 3763305 (1973-10-01), Nakada et al.
patent: 3795755 (1974-03-01), Uchiyama
patent: 3813472 (1974-03-01), Hirano
patent: 3918341 (1975-11-01), Bunger
patent: 3972258 (1976-08-01), Adachi

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