White Noise
Constant power across all frequencies. Ideal for masking distracting speech.
FREQUENCY: HIGH
Rain Sounds
Steady rainfall, looped seamlessly — the most reliable soundscape there is.
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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
Why rain works so well
Rain is close to natural pink noise. Thousands of small impacts, each at a slightly different moment and intensity, sum into a broad and fairly even spectrum with the sharp edges rounded off. Nothing in it is periodic enough for your brain to lock on to, which is exactly what you want from a background: coverage without a pattern.
There is a second reason it works, and it is not acoustic. Rain is a safety signal. Steady weather meant the environment was stable and predictable; it also meant nothing else could be heard moving. Most people arrive at a rain recording with that association already in place, and the sound does part of its work before the masking even starts.
Seamless, not stitched
Looped recordings usually give themselves away. There is a click, a gap, or a phrase you start to recognise on the third pass, and once you have heard it you cannot stop hearing it.
FocusNoise decodes the recording, trims the silent padding that MP3 encoding leaves at both ends, and plays two offset copies at once, so that when one reaches its loop point the other is mid-stream and covers the join. The result holds up for hours of continuous playback.
Ways to use it
Rain sits comfortably under almost anything. Layer it over brown noise for a fuller, weightier background, or add a binaural track underneath at low volume. Each layer keeps its own volume slider, so you can set the balance rather than accepting a fixed mix.
- Focus work, paired with a 25- or 50-minute timer
- Reading, where a fully steady noise can feel clinical
- Sleep — start it with the Timer set so it stops on its own
- Covering an unpredictable environment, where a fixed noise floor is too obvious
Common questions
Does the rain loop have a noticeable repeat?
It should not. Two offset copies play simultaneously so that each one’s loop point is covered by the other mid-stream, and the encoder padding is trimmed before playback. If you do notice a repeat, tell us which sound and we will re-cut it.
Can I play rain and brown noise together?
Yes. Colour noise, one ambient recording and one binaural preset can all run at once, each with an independent volume slider. Rain over brown noise is one of the most popular combinations here.
Will it keep playing if I lock my phone?
Browsers suspend audio when a tab loses focus on most mobile devices. Installing FocusNoise as an app from the browser prompt improves this, but for all-night unattended playback a dedicated offline player is more reliable.