Recording medium recording this recording medium storing this speech / non-speech decision correction apparatus, speech / non-speech decision correction method, and speech / non-speech decision correction program, audio mixing apparatus, sound mixing method, and audio mixing program

摘要

PPROBLEM TO BE SOLVED: To compensate determination results of voice/non-voice. PSOLUTION: In a compensation determination control section 110, when a ratio of a non-voice period obtained by each VAD flag of an input current VAD flag and each VAD flag of the past input does not satisfy a predetermined condition, the current VAD flag is output to a VAD flag compensation determination section 120, and when the ratio of the non-voice period satisfies the predetermined condition, the current VAD flag is output as a compensation VAD flag. A voice information acquiring section 140 acquires voice information from a voice signal of a current frame. Based on results of comparison of the voice information and a threshold, a VAD flag compensation determination section 120 determines whether, the current VAD flag is compensated to the VAD flag for indicating a non-voice period, when the current VAD flag indicates a voice period. When it is determined that compensation is required, the compensated VAD flag (a compensation VAD flag) is output. When it is determined that compensation is not required, the current VAD flag is output as the compensation VAD flag. PCOPYRIGHT: (C)2008,JPO&INPIT