Digital Audio/Video Broadcasting and Digital Implementation of Analog TV

  • Daniel Iancu
  • Hua Ye
  • Joon-Hwa Chun
  • John Glossner
  • Andrei Iancu
  • Mayan Moudgille

3.1 Introduction

After nearly a century of deployment, analog radio and television are being replaced by digital broadcasting systems. In digital systems, the amplitude and frequency modulation characteristics inherent in analog systems are replaced by digital modulation techniques resulting in more robust communication systems, reduced power consumption, significantly improved sound and picture quality, and much better spectrum efficiency.

Historically, digital communication systems were designed using Application Specific Integrated Circuit (ASIC) technology. In this technology multiple hardware blocks specific to certain functions are integrated together on the same silicon chip. As the size of the transistors shrink, Digital Signal Processors (DSPs) are becoming a more attractive solution for implementing digital communication systems. In this technology the communications functions are implemented in software. This is sometimes also referred to as Software Defined Radio (SDR). In...


Channel State Information OFDM Symbol Delay Line Loop Single Frequency Network Chroma Phase 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Daniel Iancu
    • 1
  • Hua Ye
    • 1
  • Joon-Hwa Chun
    • 1
  • John Glossner
    • 1
  • Andrei Iancu
    • 1
  • Mayan Moudgille
    • 1
  1. 1.Sandbridge Technologies Inc.TarrytownUSA

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