Patent ID: 7919704

Claim:
A musical instrument for producing music sound, comprising: plural manipulators selectively depressed and released for specifying tones to be produced; a tone generator connected to said plural manipulators, and producing said tones as music sound; and a talk assisting system including a voice-to-signal converter picking up voice of a player and converting said voice to a voice signal, a music sound detector monitoring said tone generator and producing a detecting signal representative of generation of said music sound, a sound system supplied with said voice signal and enlarging said voice, and a voice signal blocker having a signal interface connected to said voice-to-signal converter and said music sound detector and receiving said voice signal and said detecting signal, a music sound discriminator connected to said signal interface, checking pieces of music sound data expressed by said detecting signal to see whether or not said music sound is produced and producing a blocking signal representative of presence of said music sound when the pieces of music sound data express generation of said music sound and a signal interrupter connected between said signal inputs and said sound system, responsive to said blocking signal so as to block said sound system from said voice signal and permitting said voice signal to reach said sound system in the absence of said blocking signal.