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Table Of Contents
3 - Audio System
Introduction
Abbreviations
Technical overview
Block Diagram
Part List
DC Characteristics
Audio Function Description
Audio control
Gain Table
Deviations in gain performance:
DSP Gain:
Internal Audio Devices
Earpiece
Earpiece Acoustic Design
Earpiece Electrical Interface
Microphone
Sketch of Microphone Acoustic Design
Microphone Electrical Interface
Buzzer
Buzzer Acoustic Design
Buzzer Electric Interface
Vibra specification
Vibrator Electrical Interface
External Audio Devices
Audio Accessories
Headsets:
Loopsets:
Carkits:
DCH-12
External Audio Interface
External Audio Interface — Electrical Interface
External Audio Connector
External Audio Signal Electrical Specification
Accessory Detection, Identification and Control
Accessory Detection
Accessory Identification
Accessory Control
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