White Noise
Constant power across all frequencies. Ideal for masking distracting speech.
FREQUENCY: HIGH
Forest Sounds
A stream running through quiet woodland — moving water with room around it.
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Sound Library
Calibrated frequencies for deep work and relaxation.
Color Noises
Continuous frequencies for auditory masking.
Brown Noise
Deep, bass-heavy rumble reminiscent of a distant waterfall or thunder.
FREQUENCY: LOW
Pink Noise
Balanced spectrum that sounds more natural to the human ear, like steady rain.
FREQUENCY: BALANCED
Red Noise
Even deeper than Brown noise, focusing heavily on the low-end spectrum.
FREQUENCY: LOW
Black Noise
Near-silence with subtle low-frequency drift. Meditative, like the sound of a quiet room at night.
FREQUENCY: NEAR SILENT
Grey Noise
Psychoacoustically equalized to sound equally loud at every frequency.
FREQUENCY: EQUALIZED
Ambient Sounds
Natural soundscapes recorded in high fidelity.
Rain
Gentle rainfall creating a natural, soothing atmosphere perfect for deep concentration.
SOURCE: RECORDED
Rain on Tent
Rainfall on a tent canvas — cozy, immersive and deeply relaxing for focused work.
SOURCE: RECORDED
Ocean Waves
Rhythmic ocean waves rolling onto shore — a timeless natural soundscape for calm focus.
SOURCE: RECORDED
Wind
Steady breeze flowing through open spaces — airy and expansive for clear thinking.
SOURCE: RECORDED
Forest Stream
A gentle brook flowing through a quiet forest — peaceful and grounding for deep work.
SOURCE: RECORDED
Meadow
Birds and insects in a sunlit meadow — warm, organic ambience for relaxed focus.
SOURCE: RECORDED
Binaural Beats
Brainwave entrainment through stereo frequency offset. Layers with any noise above.
Headphones required for binaural effect
Delta
Deep sleep and healing. Ultra-low 2 Hz beat for total relaxation.
BEAT: 2 Hz
Theta
Meditation and creativity. 6 Hz beat for deep introspection and flow.
BEAT: 6 Hz
Alpha
Calm focus and learning. 10 Hz beat for relaxed concentration.
BEAT: 10 Hz
Beta
Active thinking and energy. 14 Hz beat for alertness and problem solving.
BEAT: 14 Hz
Water over stone
The core of this recording is a small stream. Water breaking over rock produces a spectrum very close to pink noise — broad, dense and continuous — which is why running water is one of the most effective natural maskers there is. Around it sits the acoustic signature of woodland: a short reverb tail, distant birds, the slight damping that leaf cover gives everything.
That combination is unusual. You get the masking strength of moving water together with a sense of enclosure and distance, which pure water recordings on their own do not provide.
Steady enough to work in
Unlike surf or wind, a stream does not swell. Its level holds, which makes forest sounds one of the more dependable maskers in the ambient set — closer in behaviour to a colour noise than the other recordings, but with organic variation on top that keeps it from feeling synthetic.
That combination makes it a good default for people who want a natural sound but need it to actually do a job. It is also the break sound configured by default in the Pomodoro settings here, because it reads as somewhere else without demanding attention.
Restoration, briefly
Woodland recordings come up often in work on restorative environments, usually alongside a caveat: the measured differences between natural and urban sound are real but small, and the studies behind them tend to be too. Nobody should promise you that a stream recording lowers your stress hormones.
What is easier to defend is the version with no science in it. Given two backgrounds that mask equally well, the one you would rather listen to is the one you will actually leave running, and a background you leave running is the only kind that does anything.
For a lighter, brighter version of the same idea, try meadow sounds; for something drier and more open, wind.
Common questions
Is this a stream or general woodland ambience?
Both — a small stream running through woodland, so you get the broad masking spectrum of moving water plus the reverb and distant birds of a forest setting.
Does running water mask voices well?
Reasonably well. Water over stone produces a broad, dense spectrum close to pink noise. It is not as aggressive as white noise on speech, but it holds a steadier level than surf or wind.
Why is this the default break sound in the Pomodoro timer?
Because it changes the room without demanding anything. A break works better when the audio signals a shift; forest sounds do that clearly while staying restful.