1、语音信号的采集； 2、语音信号的频谱分析； 3、数字滤波器的设计； 4、对语音信号进行滤波处理； 5、对滤波前后的语音信号频谱进行对比分析； -1, speech signal acquisition 2, the speech signal spectrum analysis 3, digital filter design 4, on the voice signal filtering processing 5, to filter the speech s

在matlab中利用声卡对语音信号进行实时采集，并采集波形图，对采集信号进行频谱分析，画出频谱图，能查找峰值频率。有详细的注释和参数调整说明-In Matlab using real- time audio of the speech signal acquisition and acquisition waveform, Spectral Analysis of Signals and draw the spectrum, can find the peak frequency.A detai

Acquisition and Processing of the speech signal, digital signal processing class-based, University of numerical analysis algorithms, The final weight matrix is ??the filter coefficient.

Acquisition and Processing of the speech signal, digital signal processing class-based, Modulated signals to calculate its density Pu-related, For feature reduction, feature fusion, correlation analysis.