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National Association of Broadcasters Engineering Handbook, 11th Edition by Garrison C. Cavell

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Chapter7.21

Hybrid Radio and the RadioDNS Open Standards

Nick Piggott

Project Director, RadioDNS

London

Introduction

Broadcasting in the AM, FM and shortwave frequency bands has been the primary distribution technology for radio since the inception of the medium, and the capabilities of the radiofrequency (RF) technology have defined the listening experience. Access to broadcast spectrum has generally been regulated, creating a stable market and relatively high barriers to entry for new entrants.

Internet protocol (IP) creates an alternative distribution model for incumbents and new entrants, who are using the flexibility of connected device environments to create innovative media experiences. This is increasing competition for audiences and ...

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