time-stretching

A JavaScript library for manipulating WebAudio Contexts, specifically for handling key changes

Pitch-shifting and time-stretching with TD-PSOLA

Parse an Ableton ASD clip file (warp markers and more) in Python

Browser extension for practicing music along with any page audio or video: real-time pitch shift, speed control, loop ranges, timeline markers, chained practice snippets, vocal reducer, 10-band EQ and chord detection. Chrome MV3 side panel, built with WXT + Svelte 5.

a high-quality audio time stretching algorithm

Fork of the SBSMS time stretching and pitch shifting library

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

Polyphonic audio time-stretcher and pitch-shifter using Phase Gradient Heap Integration

Open-source Python live sampler, automatic drum-kit builder, and MIDI sample instrument. Records or imports any audio, fingerprints each sound across 58 acoustic dimensions, and maps them to MIDI notes by similarity - automatically, in real time.

An audio manipulation tool that lets you experiment with track speeds using different algorithms.

a badly implemented pitch-shifter & time-stretcher for wav files

High-performance DSP desktop audio player & smart DJ automixer with harmonic Camelot key detection, BPM sync, and WebGL fluid visualizer (Go, C++11, React, Wails v2)

An attempt to time stretch and pitch shift preserving formants via Time-Domain Pitch-Synchronous Overlap and Add

➰ Tensor-friendly bindings to the C++ Rubber Band pitch shifting library ➰

Spectrogram-based ear transcription tool for Linux

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.

An audio processing tool that enables time stretching and pitch shifting.

Extreme time-stretching and ambient texture — PaulStretch, spectral freeze, granular cloud, phase vocoder. Zero deps.

Native macOS app for long-form ambient renders: PaulStretch, tape-slow, spectral freeze, phase-vocoder and granular engines, with a live effects rack and batch export. SwiftUI host for the swift-paul-stretch package.

Bungee Basic time stretching for Web Audio, packaged as WebAssembly and an AudioWorklet