time-stretch

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

.NET DSP library with a lot of audio processing functions

🌐 Superpowered Web Audio JavaScript and WebAssembly SDK for modern web browsers. Allows developers to implement low-latency interactive audio features into web sites and web apps with a friendly Javascript API. https://superpowered.com

A high-performance native media player for Compose Multiplatform (Desktop) powered by FFmpeg and PortAudio. Renders directly into Skia Canvas via Skiko, bypassing SwingPanel limitations for seamless UI/Video integration.

Real-time time stretcher, pitch shifter, envelope follower, and transient detector firmware for the Hermetic Modular Alchemy Lab. AGPL-3.0.

Webassembly build of the audio time-stretching and pitch-shifting Rubber Band Library.

Time stretching audio without changing pitch

Time-stretch audio clips quickly with PyTorch (CUDA supported)! Additional utilities for searching efficient transformations are included.

A Rust library for audio and signal processing

Web Audio Library with Export Support, Time Stretch, Pitch Shift + More!

Fast C++ implementation of ESOLA using KFRLib, can be used for online time-stretch augmentation during SpeechToText training.

Tempo (BPM) detection for audio files, and independent time stretching and pitch shifting.

Fork of the SBSMS time stretching and pitch shifting library

Fork of Soundtouch (https://codeberg.org/soundtouch) with extra features and fixes

一个通用的踩点谱面编辑器，单工程可为多个软件生成踩点

Open-source recreation of the Akaizer time-stretch effect (1990s Akai metallic sound). JUCE + CMake — Standalone, VST3, AU.

Swift package for extreme time-stretching and ambient texture: PaulStretch, tape-slow, spectral freeze, phase-vocoder and granular engines, plus a realtime effects chain. Deterministic, chunked and multicore. macOS/iOS/watchOS.

180 Running Music Editor — retune any song to your running cadence, 100% in the browser.

Pitch-preserving WSOLA time-stretch for Web Audio — ~80 lines of TypeScript plus a drop-in Web Worker

A collection of time stretchers for digital audio signals processing.