rapidmidiex-research

RTP-MIDI

• how to send MIDI over RTP

• https://en.wikipedia.org/wiki/RTP-MIDI
  • AKA AppleMIDI

  • Compared to MIDI 1.0, RTP-MIDI includes new features like session management, device synchronization and detection of lost packets, with automatic regeneration of lost data.

  • inside macOS since 2005
  • https://developer.apple.com/library/archive/documentation/Audio/Conceptual/MIDINetworkDriverProtocol/MIDI/MIDI.html
• https://www.midi.org/specifications/midi-transports-specifications/rtp-midi
• https://john-lazzaro.github.io/rtpmidi/
  • a paper from 2004 by AES (Audio Engineering Society) about a very similar use-case: https://john-lazzaro.github.io/sa/pubs/pdf/aes117.pdf
• https://www.rfc-editor.org/rfc/rfc4696.txt
  • An Implementation Guide for RTP MIDI
  • November 2006
  • talks about only 2 participants without firewalls and NAT –> not our use-case
• https://www.rfc-editor.org/rfc/rfc6295.txt
  • RTP Payload Format for MIDI
  • June 2011

  • interoperable MIDI networking might foster network music performance applications, in which a group of musicians located at different physical locations interact over a network to perform as they would if they were located in the same room

  • these applications have not yet reached the mainstream. However, experiments in academia and industry continue

Golang:

• https://github.com/laenzlinger/go-midi-rtp