A Java Library for Digital Signal Processing

C++ classes for designing high-order Butterworth IIR & equalization filters

Elegant Butterworth and Chebyshev filter implemented in C, with float/double precision support. Works well on many platforms. You can also use this package in C++ and bridge to many other languages for good performance.

Simple demo of filtering signal with an LPF and plotting its Short-Time Fourier Transform (STFT) and Laplace transform, in Python.

Engineering Toolkit for Java

Digital signal processing library

An LTspice project which contains third-order Butterworth filters built both using an inductor and a current conveyor.

Preprocessing, analysis and classification of EEG signals into 4 classes.

Comparison of IIR Notch Filter for removal of power line interference in ECG signal using MATLAB 2015a

In this project, low-pass filters and Kalman filters with different window function designs are used to denoise speech signals polluted in the full frequency band of Gaussian white noise

Image Filtering(Spatial Domain and Frequency Domain filtering)

Miscellaneous Time Series Filters: Christiano-Fitzgerald, Baxter-King, Hodrick-Prescott, Butterworth, and trigonometric regression filters

基于.Net Framework/WPF框架开发的、用于进行数字信号处理的软件平台，具有多种信号生成器、信号转换器、滤波器以及多种通用信号处理算法。

Blood pressure and heart rate measurement using smartphone video camera - 스마트폰 비디오 카메라를 활용한 혈압, 심박수 측정

Web Audio high quality spectogram from biquad bandpass filters

Digital Filter Design Samples

Projeto de filtros low-pass FIR e IIR

EE 338 Digital Signal Processing, IIT Bombay

It features tutorials on using the EEGLAB toolbox and MNE-Python, guiding users through the basics of EEG data handling, pre-processing, and artifact removal.

Some image filters in Matlab