O'Reilly logo

A Broadcast Engineering Tutorial for Non-Engineers, 3rd Edition by Graham A. Jones

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

CHAPTER 3

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 and Audio

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, does so by causing a vibration ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required