语音噪声压缩新算法  

A New Algorithm of Speech Noise Suppression

作　　者：于洪涛[1] 徐静波[1] 冉崇森[1] 

机构地区：[1]信息工程大学信息工程学院,河南郑州450002

出　　处：《计算机工程与科学》2006年第10期71-73,共3页Computer Engineering & Science

摘　　要：本文提出了一种基于VAD的语音噪声抑制方法。这种新算法源于VAD技术及谱减法,它先对含噪声信号进行VAD处理,而后是基于感知掩蔽阈值的谱减法运算,降低噪声,获得清晰的增强信号。与其它算法相比,其效果更好,语音听测试证明了这一点。This paper presents a VAD-hased algorithm for speech noise suppression. This new algorithm benefits trom the VAD technology and the spectral subtraction method . First, VAD is done to noisy speech, then spectral subtraction based on the perceptual mask threshold follows to achieve noise reduction. Finally, the noise-reduced clear speech signal is obtained. Informal listening tests show better results than other methods.

关 键 词：VAD 噪声抑制 谱减 感知掩蔽阈值 

分 类 号：TN912.3[电子电信—通信与信息系统]