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

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

Automagically synchronize subtitles with video.

Math.NET Numerics

Software defined radio receiver powered by GNU Radio and Qt.

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

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

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.

🎶 Real-time audio spectrogram generator for the web

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

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

collection of O(NlogN) pitch detection implementations

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

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

Noise is an Android wrapper for kissfft, a FFT implementation written in C.

A C++ Library for Audio Analysis

Fast Fourier transforms (FFTs) in Rust

DCFNet: Discriminant Correlation Filters Network for Visual Tracking

windows based project that try to decoding protocols (tetra,dmr, ...) using rtl-sdr

A mixed-radix FFT library written in pure Rust

Description and unofficial implementation of Furby's audio protocol

本库是一款基于Rxjava实现的android音频设备通信库,主要用于手机和音频设备之间通信，支持录音、发送、供电、发送失败自动重试（可以指定重试次数），设置接收超时、自定义编解码，自定义配置参数等功能，使用本库只需要关注与业务相关的自定义编解码。

real time application to measure heart rate

Audio spectrum using fft in iOS

The fastest JS Radix-4/Radix-2 FFT implementation

Guitar Bro – browser game that helps you learn notes on guitar

Complex Continuous Wavelet Transform

Visualizing the frequency spectrum.

Scientific analysis of nanoscale materials imaging data