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brown · pink · white noise · rain · coffee shop · Web Audio · no files
[
noise type
]
brown noise
Deep, warm rumble · focus · tinnitus masking
pink noise
Balanced · sleep · memory consolidation
white noise
Full spectrum · blocks distraction · classic
rain
Synthetic rain · cozy · relaxation
coffee shop
Ambient murmur · creative work
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play
volume
50%
sleep timer
off
[
about
]
All noise is synthesized in real time via Web Audio API — no audio files downloaded.
Brown noise:
most energy in bass, great for focus and tinnitus.
Pink noise:
equal energy per octave, popular for sleep studies.
White noise:
equal energy per frequency, classic masking noise.
Rain and cafe use layered synthesis to approximate ambient textures.