CHAPTER 3
Analog and Digital Signals
In this chapter, you will learn about
• The difference between analog and digital waveforms
• Digital signal processing, sampling, bit depths, and bit rates
• Signal compression and digital formats
• Noise and signal transmission
The technology that supports much of the AV industry is making a transition from analog transmission, recording, and processing to digital. Why is this important? In the AV industry, you will work with some analog equipment, more digital equipment, and some equipment that combines analog and digital. You need to understand both technologies.
Analog and Digital Waveforms
One way to understand analog signals is to create a mental image. Think of a dimmer light switch, which ...
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