Digital captures a numeric value for a sound wave at a specific moment in time. This is called a "sample." As soon as that moment is gone, though, the numeric value for that sample has no further use. You have to read a new sample for the next moment, and another sample for the next moment, and so on. Instead of being a complete record of the sound, samples are a series of dots along the sound wave. The number of samples each second is called the "sampling rate." A high sampling rate produces better quality sound, but it also produces a large file. "CD quality" uses stereo sampling (two separate audio values) at 44,100 samples per second. In rough figures, this will require 10 megabytes of disk storage for every minute of music. To low a sample frequency and the sound gets distorted like the old movie sample rate which had the wagon wheels going backwards due to the frames per second rate at which they were capturing the action. That sample rate was producing what is known as aliasing or an alias of what was truly happening.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
... [Read Article]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
