April 2014
Beginner
360 pages
10h 4m
English
Content preview from A Broadcast Engineering Tutorial for Non-Engineers, 4th EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Sound and Vision
This chapter describes some of the scientific principles that are fundamental to all types of broadcasting. It covers the physical properties of light and sound, and how the basic workings of human hearing and vision allow us to perceive sound from audio signals and moving color images from video signals. We will build on these principles later in the book when we discuss how studio and transmission equipment and systems work.
SOUND, AUDIO, AND HEARING
Sound Waves
As you probably already know, the sounds that we hear are actually pressure waves in the air, which cause our eardrums to vibrate. Everything that produces a sound, whether a guitar string, a jet airplane, a human voice, or a loudspeaker, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.