5
Video Systems
In this chapter, you will learn about
• The nature of light as it applies to video systems
• Capturing, encoding, and decoding video signals
• The basics of computer signals
• Optimally projecting images
If the foundation of audio systems is sound waves, video systems are based on light. There are two primary theories about the nature of light. One theory says that light, like sound, is made of waves of energy. Another theory says that light is made of small particles, called photons. For the purposes of this chapter, and ...
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