Sound Our tympanic membrane, or eardrum, is just that, a stretched piece of tissue That receives rythematic pulses known as sound. Sound is actually a linear wave. Think of a stretched out slinky, when you hit one end, a compression travels from one end to the other and back. Sound is comprised of 2 parts: Frequency- "pitch" measured in hertz (hz) Amplitude- "volume" measured in decibels (db) Think of frequency as a tuning fork, the smaller …showed first 75 words of 392 total…

…showed last 75 words of 392 total…the peak is from centerline or how strong it is, a.k.a. amplitude. Amplitude is harder to measure because of the need for formulas, so I'll refrain from that torture. Well, that's pretty much it in a nutshell, if you want to learn more pickup the book The Car Stereo Cookbook by Mark Rumreich. I read it a few years ago and I found it to be a pretty comprehensive manuscript for any audiophile.