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基于时域滤波多频段MMSE的语音增强研究

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摘要 本文提出一种时域滤波中多频带语音增强的方法,通过将时域中的未处理语音过滤成各种等效的基于矩形带宽的子带,然后在每个频带中使用基于离散余弦变换(DCT)MMSE来估计清晰语音。该算法在0~10d B的SNR水平上优于用于汽车、餐厅、列车、白色和工厂噪声的现有技术。
出处 《科技资讯》 2017年第28期30-31,共2页 Science & Technology Information
关键词 MMSE 多频带 DCT
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