choose your sound
Nine ready-made themes, from singing bowls and rainfall to a silent practice. Pick one that feels right for this moment.
sonalune by slowfield audio
your own calm,
one sound at a time.
Create a calming soundscape in your browser.
Free to use · no account required.
slow movement. open possibilities.01 / slowfield audio
tools for listening & makingtake your time.
01 / featured experiencein your browser
your own listening space
sonalune
sound, in your own orbit.
A personal sound space for meditation, made easy to begin. Choose from nine themes: gentle tones, singing bowls, wind chimes, woodland, ocean, rain, warm ambient, solfeggio or silence.
Quick Start keeps it simple: choose your theme, set your time and press Begin. Your saved presets are close at hand. Open studio for the full sound controls whenever you want to make the session your own.
try quick startHeadphones on. Start with the volume low.
see sonalune in action.
90-second walkthrough · sound examples & captions
choose your time
Set a session length from five to ninety minutes, then press Begin. Volume, mute and pause stay within reach.
make it personal
Return to My saved presets, or open studio to blend sounds, add a recording and save your own setup.
new / quick start
choose a theme.
make time for yourself.
Quick Start opens with nine ready-made themes. Choose one, set your session length and press Begin. The detailed controls stay out of the way, while volume, mute and pause remain within reach.
gentle arrival
Soft tones and a gentle opening.
singing bowls
Recorded bowls with slow, soft strikes.
wind chimes
Sparse chimes and an open atmosphere.
woodland retreat
Rustling leaves for a quiet woodland moment.
ocean waves
Shoreline waves with a steady rhythm.
soft rainfall
Gentle rain and time to settle.
warm ambient
A warm pad and an unhurried space.
solfeggio tones
A clear, steady 528 Hz tone.
silent practice
Silence with an optional bell every five minutes.
Want to shape the sound yourself? Open studio to explore these four listening styles.
follow a tone.
Explore the frequency library and optional binaural difference, with nature underneath if you like. Stereo headphones are needed for the binaural effect.
explore solfeggio ↗a softer atmosphere.
Choose warm horizon, open air, singing bowls or wind chimes. Real CC0 bowl and chime recordings, plus two treatments of a recorded electronic pad. Each has a separate ambient volume; no pure-tone pair.
explore ambient ↗only the outdoors.
Listen to real field recordings on their own. Tones, musical textures and uploaded audio stay silent while the timer and optional bells remain available.
explore nature ↗room for silence.
Use the session timer and optional interval bells with every sound layer muted. Follow the breathing guide or hide it and settle in your own way.
explore quiet ↗bring the outdoors in
Mix real recordings of soft rain, shoreline waves, wind in the trees, rustling leaves, a babbling brook, gentle storm or thunderstorm. Give nature its own volume, listen to it on its own, or blend it with tones and your own recording.
watch your soundscape settle
Real CC0 nature footage follows your chosen recording, from raindrops and ocean waves to forest foliage and flowing water. Clips play silently alongside your mix and pause with your session. Switch video off to return to a still image; reduced-motion settings are respected automatically. Original sources and licence details are linked inside Sonalune.
leave a little room to breathe
An optional breathing guide moves with your session. Choose comfortable timings for breathing in and out, with no holds, or hide it entirely. Interval bells and a silent ending let you shape the time around your practice.
keep the balance yours
A clearer output control starts gently, while nature and your uploaded audio have separate levels. Pause and resume to keep your place, save a favourite setup in your browser, or export a WAV of your mix. Nature recording credits explain any attribution needed when sharing.
02 / listening notes
discover
the sound.
A few starting points for curious ears. Explore what the tones mean, how to listen and what the research can—and can’t—tell us.
try sonalunewhat is binaural listening?
With stereo headphones, Sonalune can send a slightly different tone to each ear. Together, they can create the perception of a gentle beat at the difference between the two frequencies.
left ear220 Hzright ear226 Hzperceived beat6 Hz
The 6 Hz is the difference between the tones, not an extra low note coming from your headphones. Use stereo headphones with mono audio switched off to keep the two tones separate.
That perceived beat does not mean your brainwaves will automatically follow it. A 2023 systematic review found inconsistent evidence for brainwave synchronisation.
what are solfeggio tones?
Solfeggio tones are a collection of pitches used in contemporary meditation and sound practices. Hz means cycles per second: these numbers describe pitch, not a binaural beat rate. The six commonly named tones run from 396 to 852 Hz; expanded collections add 174, 285 and 963 Hz.
nine tones · nine invitations
what would you like to make space for?
Choose a frequency to explore its commonly associated theme and a small listening ritual. The themes are symbolic; the rituals are suggestions from Slowfield Audio.
commonly associated theme
Comfort & grounding
Often associated with feeling grounded and at ease.
A moment to arrive
Notice the support beneath you. Let this low tone accompany a quiet pause before your practice.
commonly associated theme
Renewal & restoration
Often given a symbolic meaning of renewal. Claims of tissue repair are not established benefits of listening.
Begin again
Use the sound as a cue to pause, stretch comfortably and return to what you need today.
commonly associated theme
Letting go of fear & guilt
Commonly associated with releasing fear and guilt in contemporary sound practices.
Make a little room
Notice a thought without trying to fix it. Let listening be a gentle place to return your attention.
commonly associated theme
Change & fresh starts
Often associated with change and leaving old patterns behind.
Mark a transition
Try it between work and rest, or before journalling about one small change you would like to make.
commonly associated theme
Love & transformation
Often called the “love frequency” and linked with transformation. DNA-repair claims are not established effects of listening.
Practise kindness
Pair your listening with a kind thought towards yourself. Any sense of warmth is yours to notice, not a required response.
commonly associated theme
Connection & harmony
Commonly associated with relationships, compassion and harmony.
Bring someone to mind
Use the tone as a backdrop for a loving-kindness practice or a moment of appreciation for someone in your life.
commonly associated theme
Expression & clarity
Often associated with self-expression and clarity. Claims that it removes toxins are not established.
Give a thought some space
After listening, write a few words about what matters to you. The reflection is the practice; the pitch is a companion.
commonly associated theme
Intuition & awareness
Often linked with intuition and inner awareness in spiritual interpretations.
Listen inward
Notice sounds, sensations and thoughts as they come and go, without needing to interpret them.
commonly associated theme
Unity & spiritual connection
Often associated with unity or spiritual connection. These are personal beliefs, not measured effects of this pitch.
Widen your attention
Let your awareness include the room around you. If you prefer a lower pitch or silence, follow that preference.
This guide does not play audio. To explore a pitch, open Sonalune and choose it in the frequency library. Begin at a low, comfortable volume.
what might listening offer?
You may find a sound you enjoy, an anchor for attention or a backdrop for winding down. No one-to-one map between these frequencies and specific health benefits has been established. A higher number does not mean a stronger effect.
A 2018 pilot study with nine participants reported short-term changes in stress measures after specially tuned music containing 528 Hz. It studied music, not an isolated tone, and does not establish that Sonalune or a particular pitch produces those effects. Sonalune has not been clinically tested.
explore further
Follow your curiosity—from an accessible introduction to research and hands-on sound making. Links open in a new tab.
start here · NIH / NCCIHMusic & wellbeing A plain-language introduction to research on music and health. A useful starting point for understanding the wider picture. look closer · 2018 pilot studyWhat was studied at 528 Hz? Read the small, nine-person music study behind some frequency discussions. An early finding to explore with its limitations in mind. understand the evidence · PLOS ONEBinaural beats & brainwaves This 2023 systematic review examines the mixed evidence for brainwave synchronisation. Binaural beats are a different phenomenon from solfeggio pitches. make your own · hardware instrumentSONICWARE LIVEN Ambient Ø (Zero) Explore a hands-on soundscape synthesizer for layered drones and ambient textures. Its version 1.5 update adds solfeggio-frequency tuning. Visit the maker’s page for demonstrations and details.what might I get from listening?
You might enjoy a quiet backdrop for meditation, a sound to return your attention to, or a small ritual for winding down. Some people find steady tones soothing; others prefer softer textures or silence.
These are possibilities to explore, not guaranteed effects of a particular frequency. Research on binaural beats is still developing, and studies of other recordings do not establish benefits for Sonalune itself. Sonalune has not been clinically tested and is a listening tool, not a treatment.
Notice how the sound feels to you. There is no special state you need to reach, and no need to keep listening to a tone you find uncomfortable.
your first five minutes
- Get comfortable. Choose a quiet moment and put on stereo headphones if you want to explore binaural beats.
- Start simply. Open Sonalune in Quick Start, choose a theme you like and select 5 minutes.
- Keep it gentle. Start with your device volume low. Press Begin, then adjust only to a comfortable listening level.
- Let the sound be there. Breathe naturally. If your attention wanders, you can return to listening without forcing it.
- Find your preference. Afterwards, try a different texture or save a preset you enjoyed. Lower the volume or stop if listening feels uncomfortable.
learn at your own pace
a little further reading
Three useful starting points for meditation and comfortable listening. Links open in a new tab.
NHS · getting started
getting started with mindfulness
An approachable introduction to mindfulness, with practical ways to bring attention back to the present moment.
NIH / NCCIH · the evidencewhat the research says
A balanced overview of meditation research, including potential benefits and the limits of the evidence.
WHO · comfortable listeninglistening with headphones
Practical guidance on volume, listening time and looking after your hearing.
These independent resources discuss general practices; they are not endorsements or clinical evidence for Sonalune.
03 / the studio
a slower approach
to sound.
Slowfield Audio is an independent audio project by Andrew John, bringing a love of ambient music into tools for listening and making.
We’re interested in texture, movement and the unexpected places a sound can take you. Sonalune is an invitation to explore at your own pace.