為一個使用matlab語言的聲音噪音消除程式,以Wiener filter為概念發展,輸入以及輸出皆為wave file-The use of language as a matlab program to eliminate the voice of noise to the concept of Wiener filter for the development of both input and output wave file

Linear-Predictive-Coder MATLAB Implementation of LPC algorithm for speech signal # Why LPC? In communication systems it is often necessary to transmit audio(speech) signal in compressed or encoded form because of bandwidth limitation of the

使用matlab语言对一段语音信号进行滤波处理，首先分析时域信号，之后进行傅立叶变换，转换成频域，使用巴特沃斯低通滤波器去除高频部分。-Use matlab language of a voice signal is filtered first time domain signal after the Fourier transform is converted into the frequency domain, using a Butterworth low-pass filter to