This paper is concerned with the minimum variance unbiased (MVU) finite impulse response (FIR) filtering problem for linear system described by discrete time-variant state-space models. An MVU FIR filter is derived by minimizing the variance the

自己编写的用谱相减,最小均方和维纳滤波实现语音增强的matlab文件(Write your own using spectrum subtraction, wiener filtering and minimum mean square of speech enhancement matlab files)