Abstract: An electronic musical instrument comprising a plurality of keys that includes a first and a second key having a pitch in a harmonic relationship with a pitch of the first key; and at least one processor. wherein the at least one processor performs the following: deciding, in response to a operation of a first key, whether the second key is in a damped state or in a non-damped state; generating, in a case where the second key is in the non-damped state, a resonance tone corresponding to the second key with at least one of a first resonance pitch and a first timbre; and generating, in a case where the second key is in the damped state, the resonance tone corresponding to the second key with at least one of a second resonance pitch and a second timbre.

Abstract: A resonance strength table is prepared, which stores a relation between a pitch difference and a resonance strength, wherein the pitch difference is a difference between a pitch assigned to the key number of a pressed key and a pitch assigned to each of key numbers of a resonance tone. When a key is pressed, the resonance strength table is referred to, and resonance strengths concerning the key numbers of a resonance tone are determined. Then, note-on events of a resonance tone are produced based on the key numbers and the decided resonance strengths and the produced note-on events are sent to a sound source.

Abstract: A resonance strength table is prepared, which stores a relation between a pitch difference and a resonance strength, wherein the pitch difference is a difference between a pitch assigned to the key number of a pressed key and a pitch assigned to each of key numbers of a resonance tone. When a key is pressed, the resonance strength table is referred to, and resonance strengths concerning the key numbers of a resonance tone are determined. Then, note-on events of a resonance tone are produced based on the key numbers and the decided resonance strengths and the produced note-on events are sent to a sound source.

Abstract: A musical-tone signal controlling apparatus includes a processor which executes a musical-tone controlling process on an input musical-tone signal supplied to the processor, the processor including a delay unit which executes a delay process on the input musical-tone signal; a first discriminator which determines whether or not the input musical-tone signal to be supplied to the processor has become null; a second discriminator which determines whether or not the output musical-tone signal processed by the processor has become null; and a reset circuit which automatically resets the delay unit when the second discriminator determines that the musical-tone signal processed by the processor has become null after the first discriminator determines that the input musical-tone signal to be supplied to the processor has become null.