White, Pink & Brown Noise Audio Generator
Generate continuous white, pink, and brown noise with live spectrum visualizer for deep focus, sleep, and tinnitus masking.
How to Use White, Pink & Brown Noise Audio Generator
1. Choose Noise Color
Select White Noise (equal energy per Hz), Pink Noise (balanced 1/f soothing hum), or Brown Noise (deep low-end rumble).
2. Start Ambient Audio Engine
Play continuous algorithmic sound to mask intrusive background chatter or aid deep study concentration.
3. Configure Sleep Timer
Adjust the master volume and set an optional auto-off timer to fade out sound automatically when resting.
How This Utility Works
A pure Web Audio API noise generator. Features calibrated White Noise (flat power spectrum), Pink Noise (1/f equal energy per octave for focus), and Brown Noise (1/f² deep acoustic rumble for sleep and relaxation). Includes volume ramp envelopes and a real-time frequency bar visualizer.
Audio oscillators and microphone frequency spectrum analyzers process data in volatile RAM via Web Audio API. Audio streams are never recorded or saved.
Frequently Asked Questions
What is the difference between white, pink, and brown noise?
White noise has equal energy per frequency (high hiss). Pink noise has equal energy per octave (balanced waterfall sound ideal for focus). Brown noise rolls off higher frequencies by 6dB per octave, creating a deep, soothing rumble ideal for sleep.