Strong
Rain on a Tent
Continuous rain against a tent surface for camping ambience, sleep, reading, and relaxation.
Make your own
Sleep Sounds and Focus Noise Mixer
Choose the sound, place, weather, purpose, intensity, and how long it should run.
Sleep · Focus · Calm
Build the sound you need right now.
Mix noise colors, rain, fans, ocean, machine hum, baby sounds, immersive spaces, and study music. Choose a purpose and duration, then let it run without sudden transitions.
Seamless loopsSoft fadesConstant volume30 min to 12 hrBlack screen
Right now
Trending sound environments
Specific combinations are the product, not just a color of noise.
Growing
Spaceship Cabin
Low sci-fi cabin hum for immersive study, reading, focus, sleep, and long-form background ambience.
Emerging
Green Noise + Fireplace
Green noise under a soft fireplace texture for focus, reading, meditation, and wind-down routines.
Growing
Airplane Cabin
Low cabin rumble and airflow for sleep, focus, travel ambience, and noise masking.
Strong
Soft Brown Bedroom
Gentler brown noise tuned for winding down without an aggressive low-frequency bed.
Strong
Lo-Fi + Rain Study Session
Mellow procedural study chords layered with rain for longer homework, writing, and work sessions.
Growing
Ocean Waves All Night
Slow ocean-wave movement for sleep, meditation, relaxation, and gentle background listening.
Strong
Lo-Fi Pomodoro Focus
Procedurally generated mellow chord loops with soft texture for a focused 30-minute study sprint.
Browse
Sound library
Rain, fans, machine hum, baby sleep, ocean, study environments, and noise colors.
Strong
Rain on a Tent
Continuous rain against a tent surface for camping ambience, sleep, reading, and relaxation.
Growing
Spaceship Cabin
Low sci-fi cabin hum for immersive study, reading, focus, sleep, and long-form background ambience.
Evergreen
Classic White Noise
A steady broadband sound bed for sleep, privacy, baby routines, and everyday noise masking.
Emerging
Green Noise + Fireplace
Green noise under a soft fireplace texture for focus, reading, meditation, and wind-down routines.
Growing
Airplane Cabin
Low cabin rumble and airflow for sleep, focus, travel ambience, and noise masking.
Strong
Soft Brown Bedroom
Gentler brown noise tuned for winding down without an aggressive low-frequency bed.
Evergreen
Box Fan All Night
A steady box-fan style hum for familiar bedroom noise masking through the night.
Strong
Lo-Fi + Rain Study Session
Mellow procedural study chords layered with rain for longer homework, writing, and work sessions.
Growing
Ocean Waves All Night
Slow ocean-wave movement for sleep, meditation, relaxation, and gentle background listening.
Strong
Lo-Fi Pomodoro Focus
Procedurally generated mellow chord loops with soft texture for a focused 30-minute study sprint.
Strong
Heavy Rain on a Metal Roof
A denser roof texture for listeners who want louder rain and stronger environmental masking.
Emerging
Green Noise Focus
Mid-focused green noise for a softer natural-feeling focus and sleep environment.
Steady
Vacuum Sound for Baby Sleep
A steady vacuum-like hum for babies who settle to stronger household machine sounds.
Growing
Cozy Library Rain
Rain, muted room tone, and gentle fire texture for reading, writing, study, and dark-academia ambience.
Growing
Fireplace + Rain
Soft fire texture with rain outside for a cozy sleep, reading, or relaxation environment.
Growing
Quiet Café Focus
A low café-style room murmur without speech, designed as a neutral backdrop for study and work.
Strong
Air Conditioner + Rain
Air-conditioner hum under soft rain for an enclosed, cool-room sleep environment.
Emerging
Green Noise + Ocean
Green noise layered with slow ocean motion for a natural-feeling focus or sleep mix.
Growing
Night Train Cabin
Rolling low-frequency train ambience for long sleep, reading, and travel-themed background sound.
Hot
Deep Brown Noise
Low, warm brown noise for deep sleep, focus, and masking distracting room noise.
Strong
Rain on the Window
Soft rain texture against a window for a cozy indoor atmosphere without sudden peaks.
Hot
Box Fan + Rain
The familiar hum of a fan layered with steady rain for a dense, comfortable sleep mix.
Strong
Soft Oscillating Fan
A softer fan bed for sleep, reading, and background sound without sharp changes.
Hot
Deep Brown Noise + Distant Thunder
Deep brown noise with low distant thunder movement for a heavier sleep and masking mix.
Steady
Dryer Hum
Warm low dryer noise for sleep, baby routines, and masking intermittent household sounds.
Strong
Pink Noise Sleep
Balanced pink noise with a softer top end for sleep, meditation, and calm background listening.
Strong
Womb + Heartbeat
Low womb-like noise with a repeating heartbeat pattern for baby sleep routines and settling.
Steady
Washing Machine Hum
A cyclical washer-style machine bed for familiar household ambience and noise masking.
Strong
Baby Shushing + White Noise
Rhythmic shushing layered over white noise for a simple baby-settling sound bed.
Hot
Rain on a Car Roof
Steady rain hitting a car roof for the cocooned parked-car ambience people use for long sleep sessions.
Steady
Hair Dryer Baby Sleep
A smooth hair-dryer style noise bed inspired by a familiar household sound used in baby sleep routines.
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Account
Saved mixes
Your saved mixes are written to your Kumando account, not trapped in this browser.
Log in to save your favorite mixes across devices.
Playback
Built for long listening
The sound engine uses seamless procedural audio, gentle fades, a compressor for stable loudness, a real sleep timer, and a full black-screen mode.