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.

Vulkan Fast Fourier Transform library

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

🎶 Real-time audio spectrogram generator for the web

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

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

collection of O(NlogN) pitch detection implementations

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

A C++ Library for Audio Analysis

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

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

DCFNet: Discriminant Correlation Filters Network for Visual Tracking

real time application to measure heart rate

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。

Audio spectrum using fft in iOS

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

Scientific analysis of nanoscale materials imaging data

DCT (discrete cosine transform) functions for pytorch

Visualizing the frequency spectrum.