Musical tone synthesizing apparatus using wave guide synthesis

Details Musical tone synthesizing apparatus using wave guide synthesis Musical tone synthesizing apparatus using wave guide synthesis

1990-07-26

1993-01-19

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84625, 84660, 84DIG10, 84DIG26, G10H 114, G10H 500

Patent

active

051808773

ABSTRACT:
A musical tone synthesizing apparatus synthesizes musical tones by simulating the tone generation construction of a plucked-string or struck-string instrument. The apparatus has a loop circuit which simulates a vibrating element of the instrument, an excitation circuit creates an excitation signal corresponding to the excitation given to the vibrating element in response to the operation of operators such as a pick or a hammer or the state of the generation body and a memory which stores a non-linear relation between the operator and the vibration element. The excitation signal circulates around the loop circuit and is delayed by means of a delay circuit with a previously determined delay interval, and is fed back into the excitation circuit as the state of the vibrating element. To realize a variety of sounds depending upon characteristics of the operator, such as the shape and hardness of the pick or the hardness of the hammer, a readout value of the memory, which is read out according to such characteristics, is supplied to the loop circuit.

REFERENCES:
patent: 4130043 (1978-12-01), Niimi
patent: 4265158 (1981-05-01), Takahashi et al.
patent: 4641564 (1987-02-01), Okamoto
patent: 4736663 (1988-04-01), Wawrzynek
patent: 4815354 (1989-03-01), Kunimoto
patent: 4984276 (1991-01-01), Smith

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