brown noise

Noise sounds come in different “colors”. The most popular noises are white noise, pink noise, or brown noise.

Brown noise has a spectral frequency of 1/f^2. There are many more low-frequency components resulting in thunder- and waterfall-like sounds.

This noise file is 1 minute long, mono, and an MP3.

Listen to brown noise and other sound files on your smartphone, Android or iPhone.

Elsewhere on this site you’ll find sounds of waves, waterfalls, crickets, rain, and other nature sounds.