RECORDING AND REPRODUCTION OF WAVEFORM BASED ON SOUND BOARD VIBRATIONS
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United States of America Patent
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Issued Date -
Jun 5, 2014
app pub date -
Dec 3, 2013
filing date -
Dec 3, 2012
priority date (Note) -
Abandoned
status (Latency 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. 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. A signal indicative of a vibration waveform of the sound board is received, and the excitation device is driven in accordance with the received waveform signal so that the sound board is vibrated. Thus, a sound based on the sound board vibrations can be replicated or reproduced with a high quality.
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