STFT based real-time pitch and timbre shifting in C++ and Python

Pitch-shifting and time-stretching with TD-PSOLA

Official JUCE plugin for stftPitchShift

Standalone real time dynamic vocal harmonizer

A kind of MIDI-controlled polyphonic vocal harmonizer

Demucs wrapper for remixing audio files with additional customizations

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

Fork of the SBSMS time stretching and pitch shifting library

Python module for adding harmony lines to recorded melodies

probably😗 real-time pitch shifting and formant adjustment by rubberband library

CovidCoughNet: A new method based on convolutional neural networks and deep feature extraction using pitch-shifting data augmentation for covid-19 detection from cough, breath, and voice signals

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

A pitch shifting sheep living in your browser...

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

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

A tool designed to adjust the pitch of audio in YouTube videos without affecting playback speed.

Quick web app to make audio files sound like satan/devil. This one has the benefit of not slowing down the audio due to pitch shift (the effect that makes the voice sound deeper)!

Android and Expo audio engine with multi-track playback, mixing, recording, time stretching and pitch shifting

A web-based music player for PC game music files such as ogg.

Pitch-shift the audio of any media file — from the terminal or the browser. A lightweight CLI + web UI powered by ffmpeg. Upload a file, dial in the semitones, and download the result. No accounts, no cloud processing, no dependencies beyond Node.js and ffmpeg.