322 MIDI Audio Audio A format that utilizes the cxcal Instrument Digital Interface (MIDI) protocol to record, store, and read sound event instructions such as pitch, tempo, velocity, and sustain. As the file does not contain actual recorded audio, the file size is greatly reduced. Text 1 Digital Preservation Department / The National Archives 02 Aug 2005 04/2024 (v.118): Description and links added as part of PRONOM Research Week 2023. Submitted by The Church of Jesus Christ of Latter-day Saints. 22 Apr 2024 audio/midi MIME x-fmt/230 PUID mid File extension midi File extension 398 MIDI Audio <Chunk type>MThd <header length> 32-bit representation of the number 6, followed by <format> 2 bytes (must be 00, 01 or 02); <number of tracks> 2 bytes; and <division>2 bytes; followed by MTrk <track header> 1 Absolute from BOF 0 4D5468640000000600[00:02]{4}4D54726B