White Noise Generator
Choose white, pink or brown noise, volume, duration and fade-out. Audio is synthesized by Web Audio in your browser; only the configuration can be sent through Livewire or a step URL.
What the profiles do
White noise gives equal power per hertz. Pink noise reduces energy as frequency rises, while brown noise rolls it off more steeply and sounds deeper. The timer starts on playback, fades near the end, and audio resources are stopped when you leave. The volume slider is not a calibrated dBA meter: begin low, limit exposure, and stop if listening is uncomfortable. NIOSH treats repeated occupational exposure at 85 dBA or above as hazardous.
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