fft

#多媒体#FFmpeg 是一套非常强大，应用广泛的音视频解决方案。可用于录制，转换、以及流化音频和视频。

自动化同步视频字幕，提升字幕编辑效率

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

qrx 是一个开源的软件定义无线电（SDR）接收器，使用GNU Radio 和Qt GU I工具包实现

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

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

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

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。

#安卓#🇸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)

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

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

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

#算法刷题#A fast and accurate contest rating prediction web application.

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

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

autocorrelation-based O(NlogN) pitch detection

DCT (discrete cosine transform) functions for pytorch

🎶 Real-time audio spectrogram generator for the web