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

Math.NET Numerics

Software defined radio receiver powered by GNU Radio and Qt.

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

Arduino Audio Tools (a powerful Audio library not only for Arduino)

Automagically synchronize subtitles with video.

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

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

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

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

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.

CMSIS-DSP embedded compute library for Cortex-M and Cortex-A

real time application to measure heart rate

A lyric player component library aims to look similar to iPad version of Apple Music. Also with DOM, React and Vue bindings. 一个基于 Web 技术制作的类 Apple Music 歌词显示组件库，同时支持 DOM 原生、React 和 Vue 绑定。

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

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

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

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

Audio Watermarking