The Ardour Manual

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MIDI Overview

MIDI (or Musical Instrument Digital Interface) is a method of representing musical concepts in a form suitable for use in computers. MIDI defines 16 different channels, along which messages are passed to instruments or synthesizers that understand the MIDI protocol; notes are played by sending appropriately crafted NoteOn messages that are followed by NoteOff messages. MIDI channels can be manipulated with special controller messages to alter the pitch of instruments, or their volume or timbre, and they can also tell the instrument or synthesizer what sound to play using Program Change and Bank Select messages.

Typically Program Change and Bank Select messages are collectively referred to by the singular term Patch Change.

Key features of Ardour MIDI handling

Notable differences compared to other DAWs and sequencers

This section contains the following topics: