CHAPTER 4.8 FM Stereo and SCA Systems
ERIC SMALL
Modulation Sciences, Inc. Somerset, New Jersey
INTRODUCTION
A substantial portion of this chapter remains the work of John Kean, this chapter’s original author. Although it has been revised and updated, much of the material is fundamental and remains current technology.
Stereophonic sound FM broadcasting and subcar-rier services (commonly known as SCA) are a form of multiplexing that began over 70 years ago, when high-fidelity audio and facsimile messages were simultaneously transmitted from the Empire State Building in New York City to experimental receiving sites in New Jersey [1]. Those historic multiplexing efforts demonstrated the value of wideband frequency modulation, allowing modern FM ...
Get National Association of Broadcasters Engineering Handbook, 10th Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
