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Chapter 14

MIDI and Synthetic Audio Control

CHAPTER CONTENTS

What is MIDI?

MIDI and Digital Audio Contrasted

Basic Principles

The interface

Simple interconnection

Interfacing a Computer to a MIDI System

Adding MIDI ports

Drivers and audio I/O software

How MIDI Control Works

MIDI channels

Channel and system messages contrasted

Note on and note off messages

Velocity information

Running status

Polyphonic key pressure (aftertouch)

Control change

Channel modes

Program change

Channel aftertouch

Pitch bend wheel

System exclusive

Universal system exclusive messages

Tune request

Active sensing

MIDI Control of Sound Generators

MIDI note assignment in synthesizers and samplers

Polyphony, voice and note assignment

MIDI functions of sound ...

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