Noise

Generate white, pink, brown, blue, or violet noise.

ready

node examples/noise.js pink 2s
color=<type>
white, pink, brown, blue, or violet
-d, --duration <time>
run time (CLI accepts s/m/h suffixes; default: 30s)
Graph
Noise source → Gain → Destination
Input
Noise color
Output
Speaker audio

This is a noise generator: white noise, pink noise, brown noise, and the less common blue and violet colors are all available. Play it in the browser at a safe volume, or render the same seeded noise buffer from the Node CLI.