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MIDI Basics Review. TI:ME Course 2a Advanced Sequencing. Pro Tools and MIDI. MIDI basics Musical Instrument Digital Interface Communications protocol that sends and receives 8 bit messages Allows MIDI compatible devices to communicate. Pro Tools and MIDI. MIDI basics Dave Smith 1981
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MIDI Basics Review TI:ME Course 2a Advanced Sequencing
Pro Tools and MIDI • MIDI basics • Musical Instrument Digital Interface • Communications protocol that sends and receives 8 bit messages • Allows MIDI compatible devices to communicate
Pro Tools and MIDI • MIDI basics • Dave Smith 1981 • Announced 1982 • First related device 1983 • MIDI Manufacturers Association, MMA • 2011, still using MIDI 1.0 • MIDI is free
Important Concepts • MIDI Concepts • MIDI is DATA! • MIDI data is not audio! • MIDI has limitations • 16 channels • 128 “degrees” of resolution
Anatomy of a MIDI Message • MIDI is an 8-bit language • Carry a value • 0001 0011 = 1+2+16 = 19 • Messages are grouped • Bits, bytes and nibbles?
MIDI Basics • MIDI Cables • MIDI cables use a 5 pin male connector (DIN) that uses one pin for a ground shield and 2 pins to carry data. • 50 feet is the maximum cable length. • Signal degradation • RMI or EMI • Today USB, FireWire and Ethernet cables are common!
MIDI Channelizing • MIDI Channels/Modes • 16 independent channels • MIDI devices respond… • Omni On/Off • Mono/Poly
MIDI Interfaces • Used to enable receiving and sending MIDI data via a computer. • External: USB port (most common) or serial port • Internal: PCI expansion slot (no longer common) • Found as add-on to audio interfaces
MIDI Setups • Two types of MIDI Setups • Series • Parallel
MIDI Sequencer • MIDI device that records, edits and plays MIDI data • Types • Hardware • Keyboard integrated • Computer based
MIDI Editing • Editing • Cut, copy and paste • Looping • Transpose • Quantization • MIDI Views • Graphic • Event • Notation
MIDI Today and Tomorrow • Is MIDI still relevant? • Creating music with a computer • Music software • Device communication • File Exchange • Synths/Sound Modules = Virtual Instruments • HD MIDI
General MIDI • General specification for MIDI implementation in computer sound cards and other consumer devices. • Specifications: • Standard patch map • Minimum of 24 voices • Minimum of 16 parts (multi-timbral) • Minimum of 16 MIDI channels
MIDI Review The End