Musical tone synthesizing apparatus

Details Musical tone synthesizing apparatus Musical tone synthesizing apparatus

1990-05-15

1993-06-29

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84659, 84694, 84DIG9, 84DIG10, 36472417, G10H 114, G10H 504

Patent

active

052236536

ABSTRACT:
A musical tone synthesizing apparatus which is suitable for simulating and synthesizing the percussion instrument tone provides a closed-loop including at least an adder and a delay circuit. An input signal corresponding to a musical tone signal to be synthesized is supplied to the adder from an external device. The adder adds the input signal to its feedback signal. The output of adder is delayed by a delay time in the delay circuit, wherein delay time is controlled by a modulation signal. Then, delayed output of the delay circuit is fed back to the adder as the feedback signal. Thus, the output of adder or a signal propagating the delay circuit is picked up as a synthesized musical tone signal. Preferably, it is possible to provide a plurality of delay circuits.

REFERENCES:
patent: 2379744 (1945-07-01), Pfleger
patent: 4066881 (1978-01-01), Houdard
patent: 4655115 (1987-04-01), Nishimoto
patent: 4785706 (1988-11-01), Toshifumi
patent: 4984276 (1991-01-01), Smith
patent: 5000074 (1991-03-01), Inoue et al.

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