Recording and reproduction of waveform based on sound board vibrations
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United States of America Patent
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Jan 26, 2016
Grant Date -
Jun 5, 2014
app pub date -
Dec 3, 2013
filing date -
Dec 3, 2012
priority date (Note) -
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Abstract
In a musical instrument, such as a piano, having a sound board, the sound board vibrates in response to vibrations of a string responsive to depression of a key. A waveform corresponding to such vibrations of the sound board is detected and recorded into a memory for each of the keys. The recorded vibration waveform is usable for reproduction of a sound based on sound board vibrations. In a sound reproduction apparatus, such as a piano, having a sound board, an excitation device physically excitable in response to an input waveform is provided on the sound board. In response to an operation of a key, a sound board vibration waveform corresponding to the operated key is read out from the memory, and the excitation device is driven in accordance with the read-out waveform signal so that the sound board is vibrated.
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