1. Guerino Mazzola (Fall 2015 © ): Honors Seminar IV.3 Communication IV.3.1 (Fr Nov 06) MIDI

2. Guerino Mazzola (Fall 2015 © ): Honors Seminar l h e sound events score analysis instrumental- interface  „thaw“ instrumentalizeinstrumentalizegestures Standard MIDI file MIDI = MusicalInstrumentDigitalInterface

3. Guerino Mazzola (Fall 2015 © ): Honors Seminar 111010010111001000100011101010000110.... 31‘250 Bits per second ~ 1 MegaBit/32 per second (5mA) ~ 32  sec/Bit (NAMM) National Association of Music Merchants convention 1983 IN THRU OUT IN THRU OUT three port types

4. Guerino Mazzola (Fall 2015 © ): Honors Seminar 111010010111001000100011101010000110.... Expression Signification Content MIDI Specification: http://www.midi.org http://www.midi.org Message Hierarchy

5. Guerino Mazzola (Fall 2015 © ): Honors Seminar MIDI Message Syntax Statusbyte 1st Databyte 2nd Databyte Stastusbit Databit Databit Note-On Message Channel (5) Note Number (60) Velocity (61) Databit Databit 10 Bit Words: 320  sec/word Startbit = 0 Stoptbit = 0 What?Who?How?

6. Guerino Mazzola (Fall 2015 © ): Honors Seminar MIDI Message Hierarchy single musicians all musicians the entire system System

7. Guerino Mazzola (Fall 2015 © ): Honors Seminar MIDI Channel Voice StatusbyteDatabyteMessage Description Statusbyte 1st Databyte 2nd Databyte Stastusbit Databit Databit Note-On Message Channel (5) Note Number (60) Velocity (61) Databit Databit

8. Guerino Mazzola (Fall 2015 © ): Honors Seminar Standard MIDI File............................ Off of first note and On of second note Delta Time in Ticks = 480 per quarter note Statusbyte 1st Databyte 2nd Databyte Stastusbit Databit Databit Note-On Message Channel (5) Note Number (60) Velocity (61) Databit Databit

9. Guerino Mazzola (Fall 2015 © ): Honors Seminar