Recording and reproduction of waveform based on sound board vibrations

A sound reproduction apparatus comprising:

• a sound board;
• an excitation device physically excitable in accordance with an input waveform signal and disposed in such a manner that physical vibrations generated by said excitation device are transmitted at least to said sound board;
• a plurality of performance operation keys;
• an operation detector configured to detect respective operations of said plurality of performance operation keys;
• a memory storing therein vibration waveforms corresponding to individual ones of said plurality of performance operation keys in association with the individual ones of said plurality of performance operation keys;
• and
• a controller is configured to read out, from said memory, the vibration waveform corresponding to the performance operation key whose operation has been detected by said operation detector and input a waveform signal based on the read-out vibration waveform to said excitation device, so that physical vibrations according to the input waveform signal are generated by said excitation device and a sound is generated by at least said sound board physically vibrating in response to the physical vibrations generated by said excitation device.

A computer-implemented method for storing performance information of a musical instrument, the musical instrument comprising:

• a plurality of performance operation keys;
• a plurality of sounding members provided in corresponding relation to the plurality of performance operation keys;
• a sound board;
• a plurality of striking members provided in corresponding relation to the plurality of performance operation keys and each configured to physically vibrate a corresponding one of the sounding members in response to an operation of the corresponding one of the performance operation keys;
• and a plurality of transmission joints provided in corresponding relation to the plurality of sounding members and each disposed in such a manner as to physically transmit vibrations of a corresponding one of the sounding members to said sound board, said method comprising:
• a step of operating any one of the plurality of performance operation keys and physically vibrating a corresponding one of the sounding members via the striking member corresponding to the operated performance operation key;
• a detection step of detecting a vibration waveform corresponding to vibrations of at least one of the sound board and the transmission joints;
• and
• a step of storing the vibration waveforms detected by said detection step, in response to respective operations of the performance operation keys, into a memory in association with the performance operation keys.

A computer-implemented method for reproducing a sound in a sound reproduction apparatus comprising:

• a sound board;
• an excitation device physically excitable in accordance with an input waveform signal and disposed in such a manner that physical vibrations generated by the excitation device are transmitted at least to the sound board;
• a plurality of performance operation keys;
• and a memory storing therein vibration waveforms corresponding to individual ones of said plurality of performance operation keys in association with the individual ones of the plurality of performance operation keys, said method comprising:
• a step of detecting that any one of the performance operation keys has been operated;
• a step of read outing, from the memory, the vibration waveform corresponding to the performance operation key whose operation has been detected by said detection step and inputting a waveform signal based on the read-out vibration waveform to the excitation device, so that physical vibrations according to the input waveform signal are generated by the excitation device and a sound is generated by at least the sound board physically vibrating in response to the physical vibrations generated by the excitation device.

A non-transitory computer-readable storage medium storing a program executable by a processor to perform a method for storing performance information of a musical instrument, the musical instrument comprising:

• a plurality of performance operation keys;
• a plurality of sounding members provided in corresponding relation to the plurality of performance operation keys;
• a sound board;
• a plurality of striking members provided in corresponding relation to the plurality of performance operation keys and each configured to physically vibrate a corresponding one of the sounding members in response to an operation of the corresponding one of the performance operation keys;
• and a plurality of transmission joints provided in corresponding relation to the plurality of sounding members and each disposed in such a manner as to physically transmit vibrations of a corresponding one of the sounding members to said sound board, said method comprising:
• a step of operating any one of the plurality of performance operation keys and physically vibrating a corresponding one of the sounding members via the striking member corresponding to the operated performance operation key;
• a detection step of detecting a vibration waveform corresponding to vibrations of at least one of the sound board and the transmission joints;
• and
• a step of storing the vibration waveforms detected by said detection step, in response to respective operations of the performance operation keys, into a memory in association with the performance operation keys.

A non-transitory computer-readable storage medium storing a program executable by a processor to perform a method for reproducing a sound in a sound reproduction apparatus comprising:

• a sound board;
• an excitation device physically excitable in accordance with an input waveform signal and disposed in such a manner that physical vibrations generated by the excitation device are transmitted at least to the sound board;
• a plurality of performance operation keys;
• and a memory storing therein vibration waveforms corresponding to individual ones of said plurality of performance operation keys in association with the individual ones of the plurality of performance operation keys, said method comprising:
• a step of detecting that any one of the performance operation keys has been operated;
• a step of read outing, from the memory, the vibration waveform corresponding to the performance operation key whose operation has been detected by said detection step and inputting a waveform signal based on the read-out vibration waveform to the excitation device, so that physical vibrations according to the input waveform signal are generated by the excitation device and a sound is generated by at least the sound board physically vibrating in response to the physical vibrations generated by the excitation device.