Tone signal generation device with reasonance tone effect

A tone signal generation device comprising:

• memory means for storing waveform information corresponding to a desired tone waveform;
• readout means for reading out the waveform information from the memory means at a desired readout speed in response to externally provided note selection information;
• resonance tone generation means for generating resonance tone information in accordance with the read out output of the waveform information;
• an operator, operable independently of note selection;
• detection means for detecting an amount of operation of this operator and delivering out a detection output corresponding to the amount of operation;
• first level control means for controlling the level of the read out output of the waveform information in one direction in accordance with increase in the amount of operation exhibited by the detection output;
• and
• second level control means for controlling the amplitude level of the resonance tone information in a direction which is opposite to said one direction in accordance with increase in the amount of operation exhibited by the detection output,
• the outputs of said first and second level control means being delivered out as a first tone signal and a second tone signal, respectively.

A tone signal generation device comprising:

• memory means for storing first waveform information corresponding to a waveform of a desired tone and second waveform information corresponding to a mixed waveform of said tone and a resonance tone thereof;
• an operator, operable independently of note selection;
• detection means for detecting the presence or absence of operation of said operator and delivering out a detection output exhibiting a different value depending upon presence or absence of operation of said operator;
• and
• tone signal generation means for generating a first tone signal in accordance with the first waveform information when the detection output exhibits one value and a second tone signal in accordance with the second waveform information when the detection output exhibits another value.

A tone signal generation device comprising:

• memory means for storing first waveform information corresponding to a waveform of a desired tone and second waveform information corresponding to a mixed waveform of the tone and a resonance tone thereof;
• readout means for reading out the first and second waveform information from the memory means at a desired speed in response to externally provided note selection information;
• an operator, operable independently of note selection;
• detection means for detecting an amount of operation of this operator and delivering out a detection output corresponding to the amount of operation;
• first level control means for controlling the level of the read out output of the first waveform information and for changing it in one direction in accordance with an increase in the amount of operation exhibited by the detection output;
• and
• second level control means for controlling the level of the read out output of the second waveform information and for changing it in a direction which is opposite to said one direction in accordance with an increase in the amount of operation exhibited by the detection output,
• the outputs of said first and second level control means being delivered out as a first tone signal and a second tone signal, respectively.

An electronic musical instrument comprising:

• tone pitch designation means for designating a tone pitch of a tone to be generated;
• tone signal generation means for generating a tone signal in accordance with the tone pitch designated by said tone pitch designation means;
• an operator for controlling a tone, operable independently of note selection;
• resonance tone adding means responsive to operation of said operator for adding a resonance tone to the tone signal to be generated by said tone signal generation means;
• and
• envelope changing means, for changing the shape of an amplitude envelope of the tone signal generated by said tone signal generation means in response to the operation of said operator.

A tone signal generation device for simulating the tone color characteristics of a piano of the type having a damper pedal, comprising:

• memory means for storing waveform information corresponding to a tone waveform having piano type tone color characteristics;
• readout means for reading out the waveform information from the memory means at a desired readout rate;
• a switching mechanism;
• means, responsive to operation of said switching mechanism, for modifying the read out tone waveform information so as to simulate the resonance effect of operation of a damper pedal in a piano;
• and
• output means for delivering the read out waveform information or the modified waveform information based on the operation of said switching mechanism.---