Electronic musical instrument utilizing a tone generator of a delayed feedback type controllable by body action

An electronic musical instrument comprising:

• detecting means for detecting body action of a player to produce an action signal indicative of the detected body action;
• pitch means for designating a given pitch of a musical tone;
• timing means for producing a timing signal indicative of at least one of initiation and termination of a musical tone;
• function means responsive to the timing signal for producing a time-varying signal which varies during generation of a musical rode after the initiation of the the musical tone;
• synthesis means for processing the time-varying signal based on the action signal so as to form an excitation signal;
• and
• tone generator means of a delayed feedback type excited by the excitation signal for generating a tone signal representative of the musical tone according to the designated pitch, the tone generator means including delay means for delaying the excitation signal by a given time corresponding to the designated pitch, and feedback means for feeding back the delayed excitation signal to the delay means.

An electronic musical instrument comprising:

• detecting means for detecting body action of a player to produce an action signal indicative of the detected body action;
• pitch means for designating a given pitch of a musical tone;
• timing means for producing a timing signal indicative of at least one of initiation and termination of a musical tone;
• function means responsive to the timing signal for producing a time-varying signal which varies according to the at least one of initiation and termination of a musical tone, wherein the function means comprises a step function generator for generating a time-varying signal which varies in a stepwise fashion with a lapse of time, and the synthesis means includes modifying means for modifying the time-varying signal according to the action signal;
• synthesis means for processing the time-varying signal based on the action signal so as to form an excitation signal;
• and
• tone generator means of a delayed feedback type excited by the excitation signal for generating a tone signal representative of the musical tone according to the designated pitch, the tone generator means including delay means for delaying the excitation signal by a given time corresponding to the designated pitch, and feedback means for feeding back the delayed excitation signal to the delay means.

An electronic musical instrument comprising:

• detecting means for detecting body action to produce an action signal representative of the detected body action, the detecting means including sensor means worn by a player on a part of the player's body for detecting the body action of the part;
• excitation means for producing an excitation signal according to the action signal, wherein the excitation means includes a noise generator which generates a noise signal, which is included in the excitation signal, and wherein a characteristic of the noise signal is controlled in response to the action signal;
• pitch means for designating a desired tone pitch;
• and
• tone generator means of a delayed feedback type receptive of the excitation signal for generating a musical tone signal according to the designated tone pitch, the tone generator means including delay means for delaying the excitation signal by a given time corresponding to the designated tone pitch, and feedback means for feeding back the delayed excitation signal to the delay means.

An electronic musical instrument comprising:

• detecting means for detecting body action to produce an action signal representative of the detected body action, the detecting means including sensor means worn by a player on a part of the player's body for detecting the body action of the part;
• excitation means for producing an excitation signal according to the action signal, wherein the excitation means includes a low frequency oscillator which generates an output signal so as to impart a vibration effect corresponding to the output signal into the excitation signal, and wherein the vibration effect is controlled in response to the action signal;
• pitch means for designating a desired tone pitch;
• and
• tone generator means of a delayed feedback type receptive of the excitation signal for generating a musical tone signal according to the designated tone pitch, the tone generator means including delay means for delaying the excitation signal by a given time corresponding to the designated tone pitch, and feedback means for feeding back the delayed excitation signal to the delay means.

An electronic musical instrument comprising:

• detecting means for detecting body action to produce an action signal representative of the detected body action, the detecting means including sensor means worn by a player on a part of the player's body for detecting the body action of the part;
• excitation means for producing an excitation signal according to the action signal, wherein the excitation means includes a differentiation means for differentiating the action signal so as to control the excitation signal in response to the differentiated result of the action signal;
• pitch means for designating a desired tone pitch;
• and
• tone generator means of a delayed feedback type receptive of the excitation signal for generating a musical tone signal according to the designated tone pitch, the tone generator means including delay means for delaying the excitation signal by a given time corresponding to the designated tone pitch, and feedback means for feeding back the delayed excitation signal to the delay means.

An electronic musical instrument, comprising:

• detecting means for detecting a plurality of body actions so as to produce a plurality of action signals corresponding thereto, the detecting means including sensor means worn by a player on a part of the player's body for detecting the body action of the part;
• excitation means for producing an excitation signal based on the plurality of action signals;
• pitch means for designating a desired tone pitch;
• and
• tone generator means of a delayed feedback type receptive of the excitation signal for generating a musical tone signal according to the designated tone pitch, the tone generator means including delay means for delaying the excitation signal by a given time corresponding to the designated tone pitch, and feedback means for feeding back the delayed excitation signal to the delay means.