digital filter simulators数字滤波模拟器。实现固定带通滤波器，可变带通滤波器，噪声删除等效果。-digital filter digital filter simulators simulator. The realization of a fixed band-pass filter, variable band-pass filter, noise and other effects of the deletion.

自适应数字滤波器 包括固定带通滤波 可变带通滤波 噪声删除等-Adaptive digital filter including the fixed band-pass filter variable band-pass filtering noise or delete

matlab编写的wav声音带通和带阻滤波，可输出滤波后的wav声音。wav文件可以自己选择。-The band-pass and band-stop filter matlab written wav sound, wav sound output filtered. wav file of their choice.

语音harmonic特征提取，先对语音信号分帧，然后对每一帧使用中心频率维基音频率的倍数的带通滤波器进行滤波，最后滤波结果的傅立叶变换的结果-Voice harmonic feature extraction, the first speech signal sub-frame, and then using the center frequency for each frame of Wiki sound frequency multiple of the band-pass filter f