It also introduces a number of sound file formats and explains different ways sound can be played back over the World Wide Web. This guide explains the fundamental elements of sound and explains how sound is transformed into a format usable by computers. It also introduces a number of sound file formats and explains different ways sound can be played back over the World Wide Web.
All sound begins with a physical vibration.
As an object wiggles back and forth, it pushes and pulls at the air around it. These disturbances radiate outward as waves of increased and decreased air pressure. All the sounds in the world, from the simplest to the most complex, are the combination of frequency and amplitude patterns unfolding over time. Say we strike a large drum. As the mallet hits the drum's head, it pushes it down.