Beat enhancement device, sound output device, electronic apparatus and method of outputting beats
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United States of America Patent
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May 7, 2013
Grant Date -
Nov 13, 2008
app pub date -
May 5, 2008
filing date -
May 8, 2007
priority date (Note) -
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Abstract
In a sound output device, a sound input unit acquires a sound signal reproduced by a reproduction device. A beat extractor extracts a beat component of the sound signal based on a spectrogram, and generates a beat waveform having information of a beat timing and a beat intensity. An output signal generator amplifies the sound signal with the beat waveform being a gain, using the beat timing and beat intensity which the beat waveform has. A sound output unit outputs the beat enhanced sound signal as a sound by performing D/A conversion on the beat enhanced sound signal.
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