July 2013
Beginner
224 pages
5h 46m
English
Content preview from Introduction to SNG and ENG MicrowaveBecome 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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The TV picture
When you sit in your living room, watching TV, have you ever wondered how the picture is made up? If you are reading this book, the answer is probably ‘yes’.
How can we send a moving picture down a cable or over the air? Well, we have to break it up into pieces. Think of each picture you see on the screen at any one instant as a frame – like a single slide in a slide show – and TV is just a very fast slide show. Within each frame of the TV picture, there are areas of different brightness (luminance) and colour (chrominance). We call the smallest perceptible block of picture a ‘pixel’ (an abbreviation of picture element).
Now we need to know which parts of the picture are bright and which bits are particular colours. So we divide ...
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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.