Aubio is a tool designed for the extraction of annotations from audio signals. Its features include segmenting a sound file before each of its attacks, performing pitch detection, tapping the beat and producing midi streams from live audio.

A music library and domain-specific language for generating music via MIDI.

zgomot is a simple DSL for writting MIDI music.

Ruck uses continuations and a simple scheduler to ensure "shreds" (Ruck threads) are woken at precisely the right time according to its virtual clock. Schedulers can map virtual time to samples in a WAV file, real time, time in a MIDI file, or anything else by overri...

Create and analyze musical pitches from MIDI names/numbers and scientific pitch notation (SPN)..

Powering MIDI through ruby

A Ruby library to send manufacturer-specific or instrument-specific MIDI messages

represent rhythms as symbolic Strings and write them to MIDI

== Midi experiments

compile a Music Macro Language file to a Standard MIDI file.

This gem provides an interface to access Novation's LaunchPad programmatically. LEDs can be lighted and button presses can be evaluated using launchpad's MIDI input/output.

Universally patch controller messages such as MIDI and OSC between devices

Ruby/IFF is a Ruby library for loading and serializing file formats based (more or less loosely) on the IFF standard; these include many popular file formats like MIDI and WAV

SMF is a "Standard MIDI File" module for an object-oriented scripting language Ruby.

Stretto is a Ruby implementation of JFugue, an open source library originally written in Java by David Koelle for programming MIDI.

The library is based around an abstract representation for music notation, including pitch, note, dynamic, score, etc. A Ruby-based DSL is provided to aid in composition. Scores can be converted to common formats, like MIDI and LilyPond. Scores can also be rendered as audio via SuperCollider.

Utility functions to use the Akai APC mini MIDI controller with Sonic Pi

A gem that provides MIDI in to ruby via OSX CoreMIDI

Builds Audulus patches based on WAV or MIDI file inputs

Builds Audulus patches based on WAV, CSV, or MIDI file inputs