DIGITAL CONCEPTS

Introduction

• Analog
• Digital

Basics

• Writing
• Reading

Process

• Sampling
• Quantizing
• Encoding
• D to A

Digital Signal Processing

Bandwidth

• Analog
• Digital
• Comparison
• Size

Digital Signal Processing

Resolution

DIGITAL NETWORK

Principle

Structure

• Sub Local
  • Bus
  • Star
  • Ring
  • Hybrid
• LAN
• MAN
• WAN
• Internet

Devices

• NIC
• Network Software
• Servers
• Hub
• Switch
• Bridge
• Routers
• sGateway

Cabling

• Co-axial
• UTP
• STP
• Fiber Optics
• Wireless

Protocol

• Ethernet
• ATM
• GSM

Internet

• TCP/IP
• Addressing
• Devices
• Intranet
• Extranet
• VPN
• DSL

Installation

• Troubleshooting
• Tools

DIGITAL RECORDING

Principle

Compression

• Types
• Principle
• JPEG
• Wavelet
• MPEG
• H 260/ 263

Type

• Hard Disk Drive
• DAT
• DVHS
• DVD

Features

• Storage Capacity
• Operating System
• Search
• Add On
• Play Back
• Others

Choosing

• Storage Capacity
• Add On
• Operating System

Installation

DIGITAL CCTV DEVICES

Introduction

CCTV Cameras

• PC Camera
• Web Cameras
• Server Cameras

Switching

• PC Based
• GUI
• Network Switchers

Digital Monitor

• LCD
• Plasma

CCTV Applications

• Network
• Internet
• DSL
• Internet
• Wireless

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