Interactive Spectrum Lab

What Color Is This Noise?

Not all noise is white. Drag anywhere on the spectrum below to morph the sound from a bright hiss to a deep rumble, and watch the frequency curve reshape in real time. Nothing plays until you press the button — turn your volume up, then explore.

Idle
+0.0 dB/octWhite
lowdrag up = brighter · drag down = deeperhigh

White noise

0 dB/oct

Equal energy at every frequency. Sounds like steady TV static or a waterfall — the neutral reference.

50

Tip: keep the volume moderate and take listening breaks. Sounds are synthesized live in your browser — nothing is loaded or sent over the network.