Parse and properties of roman numeral strings

Create and manipulate pitch class sets

Kali is used for realtime time-stretching and pitch shifting in Javascript. It can change Tempo and Pitch independently.

Musical chords and its relations

Scientific notation utilities

React pitch primitives for Campos — background, lines, goals, and viewBox transforms, with zero data assumptions.

JS/WASM release of the Signalsmith Stretch library

Sonic library, compiled to WASM. Intended for use with Echogarden.

A React component that synthesis text into speech using Web Speech API

Self-contained multilingual TTS speech synthesizer for Node.js in pure js

Parse alterations, notes, intervals and other musical elements with differents notations

Rubber Band library, compiled to WASM. Intended for use with Echogarden.

Music pitch utilities

Local cockpit for the Claude Code CLI — multi-tab terminal, full config surface, scheduler, voice dictation, and live observability.

YIN pitch detection (de Cheveigné & Kawahara, 2002)

Bitmap-frame context compression for vision-capable LLMs

A lightweight TypeScript library providing type-safe assertions, type guards, and error handling utilities.

An Azure Speech Service module that uses the Microsoft Edge Read Aloud API.

Capability-style filesystem roots for Node.js apps that handle untrusted relative paths.

AudioWorklet pitch-shifting with LPC-based formant preservation