| 摘要 |
<p>A voice processing apparatus (10) includes a voice signal acquiring unit (11, 13) that acquires a voice signal converted to plural frequency bands from an input signal having a narrowed band; an expanding unit (12) that generates based on a narrowband component of the voice signal acquired by the voice signal acquiring unit (11, 13), an expansion band component expanding the band of the voice signal; a correcting unit (15) that corrects the power of the expansion band component by a correction amount determined based on a noise component included in the voice signal acquired by the voice signal acquiring unit (11, 13); and an output unit (16) that outputs the voice signal of which the band has been expanded based on the expansion band component corrected by the correcting unit (15) and based on the narrowband component of the voice signal acquired by the voice signal acquiring unit (11, 13).</p> |
