CHAPTER 12
Digital Signals
In this chapter, you will learn
• How to calculate the required bandwidth in bits per second of an uncompressed digital audio or video signal
• How to differentiate between compression and encoding
• How to describe common digital video compression methods
In modern AV systems, audio and video are generally transported as digital signals. As an AV professional, you need to be familiar with the physical characteristics of digital signals, including how far you can transport them. You also need to be aware of digital media bandwidth requirements and the burden they can place on a network. Finally, you need to be conversant in common encoding and compression techniques so that you can specify AV systems with the ...
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