Playable audio library

Explore sounds

Find original noise colors, natural CC0 field recordings and clearly labeled synthetic sound environments. Listen directly from a sound card or open its dedicated page.

Expanding sound library

Explore the full sound directory

Browse 532 researched sound-type records across 28 logical groups. Filter by Sleep, Relax, Focus or Baby / Gentle, and distinguish current recordings from future sound ideas. Only verified current sound pages link to audio; planned sounds are clearly marked and cannot be played yet.

Explore all sound types & categories

This planning directory is available now and will be expanded as new audio is approved. It does not mean 532 MP3 files exist.

New category frameworks (audio planned):

Birds Insects & Frogs Wildlife ASMR Meditation Industrial

Browse 13 sound families

Explore the 35 current audio sources across 13 listening families. Another 57 independently reviewed candidates remain on the production roadmap, not yet playable. The Ocean family has a separate browsing section and does not replace its existing Sound Page.

Noise Colors

Reference noise spectra and deliberately shaped variants

10 catalog sources · 1 planned
Rain & Thunder

Rain intensity, surface impact and distant thunder

10 catalog sources · 5 planned · 13 mix concepts
Rivers & Water

Streams, falls, fountains and flowing household water

5 catalog sources · 7 planned · 3 mix concepts
Ocean Waves

Coastal surf and wave intensity without hijacking the existing Ocean Waves Sound Page

3 catalog sources · 0 planned · 3 mix concepts
Fire & Warmth

Real flame crackle, fireplaces and stoves

1 catalog source · 3 planned · 2 mix concepts
Fans & Ventilation

Indoor airflow from distinct physical fans and disclosed DSP approximations

3 catalog sources · 5 planned
Household Machines

Independent recordings of domestic machines rather than renamed noise textures

0 catalog sources · 5 planned
Wind & Weather

Real outdoor breezes and storms alongside labeled synthetic wind

1 catalog source · 5 planned · 1 mix concepts
Forest & Wildlife

Independently captured insects, birds and living soundscapes

0 catalog sources · 6 planned · 4 mix concepts
Transportation

Vehicle cabins, rails and travel environments

1 catalog source · 5 planned · 4 mix concepts
Urban & Indoor

Locations with meaningful human-environment context and speech-safety checks

0 catalog sources · 4 planned · 1 mix concepts
Hums & Sci-Fi

Low-frequency synthetic textures, tape/static and clearly fictional ambiences

1 catalog source · 6 planned · 1 mix concepts
Gentle & Baby

Soft non-medical sleep textures and gentle sound demonstrations

0 catalog sources · 5 planned · 2 mix concepts

35 current audio sources

The source pages below are real catalog entries; Green Noise remains pending separate listening approval. Titles and provenance are taken from the current catalog, not from the 70 planned items.

White Noise

Broadband original white noise

Owner-approved original DSP
Pink Noise

Original lower-weighted pink noise

Owner-approved original DSP
Brown Noise

Original low-frequency-weighted brown noise

Owner-approved original DSP
Green Noise

Original independently synthesized mid-band Green Noise (165 Hz HP / 1,550 Hz LP); listening review pending

Listening review pending · not curated
Blue Noise

Bright synthetic noise spectrum

Owner-approved original DSP
Violet Noise

High-frequency-weighted synthetic noise

Owner-approved original DSP
Soft White Noise

A softer white noise variation

Owner-approved original DSP
Deep Brown Noise

A low-heavy variation of brown noise

Owner-approved original DSP
Warm Pink Noise

A warmer pink noise variation

Owner-approved original DSP
Neutral Mid Noise

Synthetic mid-frequency noise

Owner-approved original DSP
Desk Fan — Synthetic

A simulated desk fan, not a field recording

Owner-approved original DSP
Box Fan — Field Recording

Owner-approved CC0 field recording; 1 minute 8 seconds of independently recorded sound, looped continuously

Owner-approved CC0 field recording
Rain on Window

A ten-minute arrangement from shorter CC0 rainfall material

CC0 arrangement · source duration disclosed
Heavy Rain

Owner-approved CC0 field recording; 3 minutes 10 seconds of independently recorded sound, looped continuously

Owner-approved CC0 field recording
Ocean Waves

Owner-approved CC0 field recording; 1 minute 30 seconds of independently recorded sound, looped continuously

Owner-approved CC0 field recording
Waterfall

Owner-approved CC0 field recording; 6 minutes 15 seconds of independently recorded sound, looped continuously

Owner-approved CC0 field recording
Shower — Synthetic

Simulated shower sound created with DSP

Owner-approved original DSP
Gentle Wind — Synthetic

Simulated wind texture created with DSP

Owner-approved original DSP
Fireplace

A ten-minute arrangement from shorter CC0 fireplace material

CC0 arrangement · source duration disclosed
Airplane Cabin — Synthetic

Simulated airplane-cabin hum created with DSP

Owner-approved original DSP
Air Conditioner — Synthetic

Simulated air-conditioner sound created with DSP

Owner-approved original DSP
Low Rumble

Steady synthetic low-frequency rumble

Owner-approved original DSP
Light Rain

Gentle CC0 field rain from a front porch; owner-approved 10-minute arrangement of 605 seconds of preview-derived source material. Soft passing outdoor sounds may be audible.

Owner-approved CC0 field recording
Rain on Tin Roof

Rain drops on a real metal shed roof; owner-approved 10-minute source-derived MP3. Quiet average bed with higher transients; listen at low volume.

Owner-approved CC0 field recording
Distant Thunder

Rural CC0 stereo field recording of distant thunder, arranged as a 10-minute master from roughly 145 seconds of independent source; events repeat.

Owner-approved CC0 field recording
Rain on Tent

Rain pattering against tent fabric in an Altay Mountains field recording. A 10-minute master repeats approximately 125 seconds of independent source material; hear the textile surface and recurring pattern.

Owner-approved CC0 field recording
Rain on Car Roof

Natural rain heard on a parked vehicle roof. The original mono recording is rendered as dual-mono MP3; about 231 seconds of independent rain recur within the 10-minute master.

Owner-approved CC0 field recording
Rolling Thunder

Rolling thunder, wind and heavy rain from a real Baltic Sea storm. The 10-minute master uses approximately 605 seconds from a longer field recording; the 10-minute cycle repeats during continuous listening.

Owner-approved CC0 field recording
Rain on Leaves

A real stereo field recording of gentle rain landing on foliage with soft wind and suburban ambience in Leipzig, Germany. The selected source contains approximately 605 seconds of independent recorded sound and plays as a ten-minute approved master.

Owner-approved CC0 field recording
Rain on Lake

A natural stereo recording of rain hitting the surface of a small Ontario lake. The approved ten-minute master is assembled from roughly 343 seconds of independently recorded sound and repeats the source approximately twice.

Owner-approved CC0 field recording
Rushing River

The real Magdalena River near Los Dinamos, south of Mexico City, was recorded in stereo by orlandorizo with a Zoom H5N. Strong continuous water rush rather than individual gentle drips. Owner-approved 600-second source-derived master from a 605-second unique section; the 10-minute master repeats only in longer listening sessions.

Owner-approved CC0 field recording
Gentle Forest Stream

A real stereo field recording of the Jadwiżanka stream in Lądek-Zdrój, Poland, originally captured in September 2021. Natural flowing creek water changes irregularly across the soundstage. Owner-approved 600-second source-derived master from a 605-second unique section; the 10-minute master repeats only in longer listening sessions.

Owner-approved CC0 field recording
Gentle Ocean Waves

A real stereo shoreline recording by Sandy-Ogilvie made with a Tascam DR-05x. Waves travel across the stereo field near distant coastal cliffs and occasional gulls are audible. Owner-approved 600-second source-derived master from a 605-second unique section; the 10-minute master repeats only in longer listening sessions.

Owner-approved CC0 field recording
Bodetal Brook & Birds

An authentic stereo field recording from Bodetal, Harz/Thale, Germany. Recorded by Borgory using a Zoom H5, this source captures a distant flowing stream and birds, not an artificially generated or close-mic bubbling brook. The owner-approved ten-minute MP3 master selects approximately 605 seconds of independent recorded source; extended sessions repeat the ten-minute cycle.

Owner-approved CC0 field recording
Crashing Ocean Waves

An authentic stereo coastal field recording of breaking waves at Wakanui Beach near Ashburton, New Zealand. The original 45-minute sound was captured by Desmond178 and released under CC0. The owner-approved ten-minute MP3 master selects approximately 605 seconds of independent recorded source; extended sessions repeat the ten-minute cycle.

Owner-approved CC0 field recording
Library foundation · staged releases

Explore sounds in development

There are 12 first-wave (P0), 26 second-wave (P1), and 19 exploratory (P2) unreleased audio concepts. These are future recording requirements, not playable files or promised releases. New tracks need source/license checks, acoustic QA and listening approval before they join the library.

Noise Colors 9 approved · 1 planned

Reference noise spectra and deliberately shaped variants. Selection themes: White / Pink / Brown / Bright colors / Filtered variations.

Current sound pages: White Noise · Pink Noise · Brown Noise · Blue Noise · Violet Noise · Soft White Noise · Deep Brown Noise · Warm Pink Noise · Neutral Mid Noise.

Still pending listening review: Green Noise. Excluded from recommended instant-play comparisons.

0 P1 concepts · 1 P2 concepts · 0 proposed mixes (not published)

Rain & Thunder 10 approved · 5 planned

Rain intensity, surface impact and distant thunder. Selection themes: Intensity / Surface / Thunder.

Current sound pages: Rain on Window · Heavy Rain · Light Rain · Rain on Tin Roof · Distant Thunder · Rain on Tent · Rain on Car Roof · Rolling Thunder · Rain on Leaves · Rain on Lake.

5 P1 concepts · 0 P2 concepts · 13 proposed mixes (not published)

Rivers & Water 5 approved · 7 planned

Streams, falls, fountains and flowing household water. Selection themes: Rivers / Streams / Falls / Indoor water / Fountains.

Current sound pages: Waterfall · Shower — Synthetic · Rushing River · Gentle Forest Stream · Bodetal Brook & Birds.

First recording targets (P0): Bamboo Water Fountain. No preview audio is available yet.

6 P1 concepts · 0 P2 concepts · 3 proposed mixes (not published)

Ocean Waves 3 approved · 0 planned

Coastal surf and wave intensity without hijacking the existing Ocean Waves Sound Page. Selection themes: Recorded surf / Gentle waves / Crashing waves.

Current sound pages: Ocean Waves · Gentle Ocean Waves · Crashing Ocean Waves.

0 P1 concepts · 0 P2 concepts · 3 proposed mixes (not published)

Fire & Warmth 1 approved · 3 planned

Real flame crackle, fireplaces and stoves. Selection themes: Fireplace / Campfire / Wood stove.

Current sound pages: Fireplace.

First recording targets (P0): Campfire · Wood Stove. No preview audio is available yet.

1 P1 concepts · 0 P2 concepts · 2 proposed mixes (not published)

Fans & Ventilation 3 approved · 5 planned

Indoor airflow from distinct physical fans and disclosed DSP approximations. Selection themes: Real fans / Synthetic fan / Ventilation.

Current sound pages: Desk Fan — Synthetic · Box Fan — Field Recording · Air Conditioner — Synthetic.

First recording targets (P0): Tower Fan · Oscillating Fan. No preview audio is available yet.

1 P1 concepts · 2 P2 concepts · 0 proposed mixes (not published)

Household Machines 0 approved · 5 planned

Independent recordings of domestic machines rather than renamed noise textures. Selection themes: Laundry / Kitchen / Dryer / Hair dryer / Vacuum.

No approved sources yet in this family.

First recording targets (P0): Hair Dryer · Dishwasher. No preview audio is available yet.

3 P1 concepts · 0 P2 concepts · 0 proposed mixes (not published)

Wind & Weather 1 approved · 5 planned

Real outdoor breezes and storms alongside labeled synthetic wind. Selection themes: Gentle / Forest / Coastal / Strong weather.

Current sound pages: Gentle Wind — Synthetic.

4 P1 concepts · 1 P2 concepts · 1 proposed mixes (not published)

Forest & Wildlife 0 approved · 6 planned

Independently captured insects, birds and living soundscapes. Selection themes: Night wildlife / Birds / Rainforest / Other wildlife.

No approved sources yet in this family.

First recording targets (P0): Crickets at Night · Morning Birds. No preview audio is available yet.

4 P1 concepts · 0 P2 concepts · 4 proposed mixes (not published)

Transportation 1 approved · 5 planned

Vehicle cabins, rails and travel environments. Selection themes: Train / Car / Aircraft / Watercraft.

Current sound pages: Airplane Cabin — Synthetic.

First recording targets (P0): Train Cabin. No preview audio is available yet.

2 P1 concepts · 2 P2 concepts · 4 proposed mixes (not published)

Urban & Indoor 0 approved · 4 planned

Locations with meaningful human-environment context and speech-safety checks. Selection themes: Coffee shop / Library / City / Park / Traffic.

No approved sources yet in this family.

0 P1 concepts · 4 P2 concepts · 1 proposed mixes (not published)

Hums & Sci-Fi 1 approved · 6 planned

Low-frequency synthetic textures, tape/static and clearly fictional ambiences. Selection themes: Low rumble / Analog texture / Sci-fi.

Current sound pages: Low Rumble.

0 P1 concepts · 6 P2 concepts · 1 proposed mixes (not published)

Gentle & Baby 0 approved · 5 planned

Soft non-medical sleep textures and gentle sound demonstrations. Selection themes: Shushing / Womb-like / Heartbeat / Gentle textures.

No approved sources yet in this family.

First recording targets (P0): Womb-like Sound · Gentle Shushing. No preview audio is available yet.

0 P1 concepts · 3 P2 concepts · 2 proposed mixes (not published)

Existing canonical sound pages, the seven intent collections, continuous playback, Sleep Timer and 45 current mixes remain unchanged. Planned IDs are scheduling identifiers only; no sound is created by listing it here.

Audio source quality and editorial status are shown separately. A technically valid recording is not necessarily approved for long listening sessions.

How to choose a sound

Choose a noise color for a uniform synthesized background, or explore machine-like and environmental textures for a more specific listening character. Sound labels distinguish independent original DSP from field recordings and disclose when a ten-minute arrangement was built from a shorter source.

All available sources have their own page and continuous listening controls. A file that passes automated checks may still require subjective approval for long sessions; planned sounds are never presented as playable masters.