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

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Chapter5.4

Television Playout and Content Delivery

Peter Wharton

Vice President, Technology and Business Development, BroadStream

Atlanta, Georgia

Introduction

The entire function of a master control system is to assemble content for broadcast—program segments and live feeds, commercials, promotional clips and station IDs. Today, master control must do much more than simply stitch together content. It needs to also insert informational and promotional graphics and branding, including emergency alert messaging, sports news and weather data and credit roll squeeze-backs. It needs to handle multiple file formats and video resolutions, multichannel audio and multiple languages, subtitles and captions. It needs to insert watermarked ratings metadata, ...

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