A Broadcast Engineering Tutorial for Non-Engineers, 4th Edition

 

 

CHAPTER 1

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Introduction

 

 

 

 

Broadcasting is a communications service that possesses two fundamental and unique attributes: (1) Broadcasting is a point-to-multipoint service, meaning that a broadcast service originates from a single transmitter but is receivable by an unlimited number of receivers within the coverage zone of that transmitter. (Compare this to a point-to-point communications system, such as telephony, in which one device typically connects only to a single device at any given time.) (2) Broadcasting is a unidirectional service, meaning that it carries content only in a one-way path—from the broadcast station’s transmitter to the listener’s or viewer’s receiver—with no provision for carrying signals back ...