Mark Petersen - University of Colorado Boulder
the flute is played, it vibrates. The vibrations travel through the air and vibrate your eardrums. These vibrations are fast oscillations in air pressure, which your ear detects as sound. The Basics The simplest model of a musical sound is a sine wave, were the domain (x-axis) is time and the range (y-axis) is pressure. P Asin(2 ft) where: P pressure, in decibels or Pascals t time, in seconds ...