Reference Guide

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Digital audio fundamentals
Editing audio
Waveforms
A sound wave can be represented in many different ways: as a mathematical formula, as a series of
numbers, or graphically as a waveform. A waveform displays the size, or amplitude, of the
vibration as a function of time. For example, the waveform of the sound of the plucked guitar string
might look like this:
The waveform of a trumpet blast might look like this:
And the waveform of a spoken word might look like this: