Musical tone generation device for synthesizing wind or string instruments
AssigneeYamaha Corporation
InventorToshifumi Kunimoto
Life of this patent
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Abstract
A musical tone generation device comprises a musical tone signal generator and a musical tone control device. The musical tone signal generator consists of an excitation circuit and a delay circuit which simulate the musical tone generation mechanism of a musical instrument. This generator has a hysteresis characteristic, so that the generator generates a musical tone signal having the hysteresis characteristic, in accordance with a musical tone control signal. While, the musical tone control device converts the musical tone control signal into other musical tone control signal which nullifies the hysteresis characteristic of the musical tone signal generator. Therefore, the musical tone signal generator generates musical tone signals without the hysteresis characteristic.
Claims11
A musical tone generation device comprising:
- a) control means for generating musical tone control signals, said musical tone control signals having increasing and decreasing values;
- b) musical tone signal generating means for generating musical tone signals in response to said musical tone control signals, said musical tone signal generating means including a closed-loop means for circulating a signal thereto in response to said musical tone control signals, said closed-loop means further including a delay means for delaying said circulating signal, and said musical tone signal generating means having an input musical tone control signal versus output musical tone signal hysteresis characteristic which changes said generated musical tone signals dependent on said increasing and decreasing values of said musical tone control signals;
- and
- c) canceling means for canceling out said hysteresis characteristic of said musical tone signal generating means.
Dependencies are inferred from the claim text.