搜索资源列表
-
0下载:
基于MATLAB设计的FIR低通滤波器,并对语音进行了滤波处理-MATLAB-based design of FIR low-pass filter, and a voice filter processing
-
-
1下载:
本程序为一个用matlab实现的语音滤波程序,能计算并显示语音信号的幅频特性,巴特沃斯低通滤波器幅度和相位响应,引入噪声后的幅频特性,以及滤波后的DFT幅频特性。本程序附有语音文件以供试验。-This program is an implementation using matlab voice filtering procedures, can calculate and display the speech signal amplitude-frequency characteristics
-
-
0下载:
采用FFT和低通滤波器的两种语音除噪算法比较,MATLAB编程,附效果图-Using FFT and low pass filter audio noise canceling algorithm for the two compare, MATLAB programming, with a results map
-
-
0下载:
对采集的语音信号进行滤波,谱分析,并进行前后时域和频域波形比较。可选择IIR和FIR滤波器进行高通,低通和带通滤波。-To obtain the voice signal filtering, spectrum analysis, and the time domain and frequency domain waveform and compared. Can choose IIR and FIR filter for qualcomm, low pass and bandpass filt
-
-
0下载:
用matlab实现巴特沃斯低通滤波器的M文件。本例读取电脑自带的XP开机声音,加上高频噪声,然后滤波看效果。-Butterworth low-pass filter using matlab M-file. This case, read the computer comes with XP start-up sound, coupled with high-frequency noise, and then filter to see the effect.
-
-
0下载:
用matlab实现巴特沃斯高通滤波器的M文件。本例读取电脑自带的XP开机声音,加上低频噪声,然后滤波看效果。-With Matlab M-file Butterworth high-pass filter. This case, read the computer comes with XP start-up sound, coupled with the low-frequency noise, and then filtering to see results.
-
-
1下载:
(1)录制一段语音信号,完成对信号的采样,画出信号的时域波形和频谱图,确定信号的频谱范围;
(2)给信号叠加噪声(噪声类型分为如下几种:a白噪声;b单频噪色(正弦干扰);c多频噪声(多正弦干扰);d其它干扰。),画出受噪声干扰的信号时域波形和频谱图;
(3)采用窗函数法设计FIR低通滤波器,画出滤波器的频响特性图;
(4)用所设计的滤波器对受噪声影响的信号进行滤波,画出滤波后语音信号的时域波形图和频谱图;
(5)对滤波前后的信号进行对比,分析信号的变化;回放语音信号,并与原始语音信号对比
-