fft

Mirror of https://git.ffmpeg.org/ffmpeg.git

Automagically synchronize subtitles with video.

A Swift library that uses the Accelerate framework to provide high-performance functions for matrix math, digital signal processing, and image manipulation.

Math.NET Numerics

Software defined radio receiver powered by GNU Radio and Qt.

Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON)

🇸Superpowered Audio, Networking and Cryptographics SDKs. High performance and cross platform on Android, iOS, macOS, tvOS, Linux, Windows and modern web browsers.

Vulkan/CUDA/HIP/OpenCL/Level Zero/Metal Fast Fourier Transform library

Spectrum analyzer for multiple SDR platforms (PyQtGraph based GUI for soapy_power, hackrf_sweep, rtl_power, rx_power and other backends)

Realtime audio analysis in Python, using PyAudio and Numpy to extract and visualize FFT features from streaming audio.

Theory of digital signal processing (DSP): signals, filtration (IIR, FIR, CIC, MAF), transforms (FFT, DFT, Hilbert, Z-transform) etc.

Generate waveform images from audio files on iOS & macOS in Swift. Native SwiftUI & UIKit views.

🎶 Real-time audio spectrogram generator for the web

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

collection of O(NlogN) pitch detection implementations

Competitive Programming templates that I used during the past few years.

A series of Jupyter notebooks and python files which stream audio from a microphone using pyaudio, then processes it.

DCT (discrete cosine transform) functions for pytorch

real time application to measure heart rate

A C++ Library for Audio Analysis