rfft

A program for real-time Reflection High Energy Electron Diffraction (RHEED) analysis.

High-throughput Silero VAD inference for CPU with multi-window ONNX execution and an optimized RFFT frontend.

Java Implementation of the Sonopy Audio Feature Extraction Library by MycroftAI

Pytorch N-dimensional Implementation of the Fast Fourier Transform and its inverse

Heart rate from a contact PPG sensor and from fingertip video, compared. Butterworth bandpass + Hanning-windowed FFT, uncertainty quoted at the FFT resolution limit. All four video colour channels recover the rate at -25 dB SNR.

Utilizes DFT (Discrete Fourier Transformation) (in the form of FFT) to compress data from a RAW image file and store it as a file with frequencies. The program can restore the file to a JPG file.

A reproducible DSP simulation framework for synthetic signal generation, spectral analysis, digital filtering, classification, and performance benchmarking.