Importance

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Abstract

A resonance tone generation apparatus 20 is applied to an electronic musical instrument DM having a tone generator for generating a musical tone signal indicative of a piano sound in accordance with a tone generation instruction signal having a key number n, and a plurality of output portions for externally outputting a musical tone signal. The resonance tone generation apparatus 20 has a plurality of resonance tone generation circuits 30⁽ⁿ⁾ each of which is assigned a different key number n, retrieves a musical tone signal indicative of a musical sound of the piano, generates a musical tone signal indicative of a resonance tone imitating a tone of a string of the piano resonated by the musical sound of the piano indicated by the retrieved musical tone signal, and supplies the generated musical tone signal to the plurality of output portions. Each of the resonance tone generation circuits 30⁽ⁿ⁾ has a resonance circuit 40⁽ⁿ⁾ which has a plurality of resonance frequencies corresponding to the assigned key number n, and generates a musical tone signal indicative of the resonance tone imitating the tone of the string of the piano resonated by the musical sound of the piano indicated by the retrieved musical tone signal, and a panning setting circuit 50⁽ⁿ⁾ which generates a plurality of musical tone signals which are to be supplied to the plurality of output portions, respectively, and each of which indicates a different resonance tone in which a tone volume of the resonance tone indicated by the musical tone signal generated by the resonance circuit 40⁽ⁿ⁾ is changed in accordance with the assigned key number, and supplies the generated musical tone signals to the plurality of output portions, respectively.

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First Claim