Music is really just orderly vibrations: in the air, in instrument bodies, in speaker cones, in tiny hairs in your inner ear, in electromagnetic fields in wires, in patterns of neurons firing in your brain. If you understand the math behind these vibrations, it can help you understand how music works. Surprisingly, it can also …
Category Archives: Math
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 …
Continue reading “Digital audio is just long lists of numbers”
In praise of Auto-tune
My experience with Auto-tune has felt like stepping out the door of a rocket ship to explore a whole new sonic planet. Auto-tune entered my musical life mainly from my work with Barbara Singer, who I met in 2003. She posted in the Craigslist Musicians section about this gig she had at the now-defunct Korova …