Waveform
Definition
A visual representation of an audio signal showing amplitude changes over time. The shape of the waveform reveals the dynamic character of the sound — transients appear as sharp spikes, sustained notes as consistent blocks, and silence as flat lines. DAWs display waveforms on every audio track.
In Simple Terms
The visual shape of your audio — the squiggly lines you see on every track in your DAW. Tall spikes mean loud moments; thin sections mean quiet passages; flat lines mean silence. Learning to read waveforms lets you spot problems, find edit points, and understand your audio at a glance.
In Practice
An engineer examines the waveform of a vocal recording and visually identifies a breath before the chorus, a plosive on a "p" consonant, and a section where the vocalist moved away from the microphone — all visible as distinct shapes in the waveform before pressing play.