SOUND PICKUP METHOD, SOUND PICKUP SYSTEM, AND SOUND PICKUP PROGRAM

摘要

PROBLEM TO BE SOLVED: To improve the S/N ratio of a voice signal superposed with noise. SOLUTION: A sound pickup method includes a noise-suppressing processing for suppressing the noise included in an input signal and intensifying a target signal; a voice section degree calculating processing for calculating the voice section likeness in each section of the input signal; an original sound addition rate determining processing for determining the rate for adding an original sound to the target signal suppressing the noise, on the basis of the voice section likeness calculated by the voice section degree calculating processing; and an original sound addition processing for adding the original sound to the target signal suppressing the noise, in accordance with an original sound addition rate determined by the original sound addition rate determining processing. COPYRIGHT: (C)2005,JPO&NCIPI