Musical sound generating device, control method for same, storage medium, and electronic musical instrument
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United States of America Patent
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Jan 1, 2019
Grant Date -
Mar 29, 2018
app pub date -
Sep 6, 2017
filing date -
Sep 28, 2016
priority date (Note) -
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Abstract
An electronic musical instrument uses a mouthpiece model that models a mouthpiece as a three-dimensional shape having one end at which the mouthpiece is to be held in a mouth of a performer being smaller than another end. A processor in the instrument calculates a reflection coefficient of a progressive wave and a regressive wave using the mouthpiece model by calculating a wave impedance for the progressive wave and calculating a wave impedance for the regressive wave, and generates a musical sound signal on the basis of the calculated reflection coefficient, which is then outputted to a sound generator for sound production.
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