| 摘要 |
According to one embodiment, an audio signal correction apparatus has a characteristic extraction module configured to determine whether an input audio signal is a monaural signal or a stereo signal, on the basis of channel information, and to extract a plurality of characteristic parameters for determining whether the input audio signal is a speech signal or a music signal, a signal type determination module configured to calculate a speech/music discrimination score which indicates whether the input audio signal is close to the speech signal or the music signal, on the basis of the plurality of characteristic parameters and a level calculation module configured to calculate, with use of the speech/music discrimination score, output levels of a degree of speech and a degree of music.
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