November 2007
Intermediate to advanced
736 pages
46h 32m
English
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PROBLEMS IN VIDEO RECORDING ON TAPE
At first, it might seem very easy to record colour television pictures on magnetic tape. After all, it is only necessary to feed the composite video signal into a tape deck, record it just like audio, and then replay the output of the tape deck into the antenna socket of a television receiver. However, there are many problems. The first problem is that the frequency range needed to record video is much wider than that for audio. A hifi audio signal has bandwidth, or frequency range, of around 20 kHz. But a colour television signal, as broadcast or relayed down a cable, has a bandwidth of around 5 MHz. Frequencies of this magnitude are necessary to control the electron beams as they scan several hundred lines ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.