Auto-Tune makes producing music easier. It can also make understanding music theory easier. The way you dial up different keys and scales doesn’t just guide your ear, it also guides your eye. Your voice can produce a smooth continuum of pitches. To sing, you eliminate most of those possibilities, vibrating your mouth and throat only …
Tag Archives: math
How transistors think
The parts of the computer that do the “thinking” are mostly made of little electronic switches called transistors. If you connect two wires to a transistor, you can use the voltage on one wire to control the voltage on the other. What’s especially handy for engineering purposes is that the presence or absence of a …
Robot counting for humans
When you delve behind the scenes with the internet, you immediately come face-to-face with a lot of threatening computer gibberish. The most menacing codes are the ones that stand for colors, random-seeming strings of letters and numbers like #99CC66 or #4F102A. Sometimes you see colors described verbally: “black”, “white”, “blue”, etc. That’s fine for simple …
Digital audio is just long lists of numbers
How do you get sound in and out of a computer? There are two steps. You have to turn the sound into electricity, and then you have to turn the electricity into numbers. Turning sound into electricity At the physical level, a sound is a rhythmic vibration of air molecules. Your ears can detect subtle …
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