November 2007
Intermediate to advanced
736 pages
46h 32m
English
Content preview from Consumer Electronics
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NEEDLE-SCRATCH
As the pickup stylus traces the groove, the fine particles in the material of the disc cause the stylus to make small irregular movements. The voltage setup by these movement is amplified and is heard as needle scratch. The noise lies mainly between 2 and 10 kHz.
Fig. 9.13 Needle wear
Needle scratch will be particularly bad when the diameter of the needle is too small for the groove. For good reproduction the stylus should rest on the two sides of the groove. If it rests right in the trough, it may ride up the walls, thus giving excessive scratch and additional distortion. If it rests on top of the groove only, it cannot ...
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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.
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.