语音增强中谱减法的改进应用
Audio Engineering（2008）
Abstract
针对谱减法在语音增强中的应用,提出了几种改进措施,包括预加重、初始噪声谱的估计、能量VAD、保护帧等。非正式试听表明改进后算法的增强处理效果好于基本谱减法。
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Key words
VAD,speech enhancement,multi-band,protecting frame,spectral subtraction
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