Rain and Brown Noise for Deep Sleep
A low, steady foundation softened by the natural detail of rainfall.
- Brown Noise 65%
- Rain 38%
Inside Slo
A sound you can make your own.
Start with rain. Add a steady layer of noise underneath. Bring each sound up or down until you like the balance.
Open the free mixerTry it in your browser. No account required.
Try it hereBrowser mixer
Rain, with a little brown noise.
Press play, then change the balance. Each sound has its own volume.
01 / Sound mixing
Build up from one sound.
The browser mixer puts noise colors and nature recordings in one library. Select a sound to add it to your mix; select it again to remove it.
You can keep a single sound playing or combine several.
Follow the six-step mixing guide →02 / Volume controls
More rain. Less rumble.
Each active sound has a volume slider. Turn down brown noise without changing the rain, then use master volume to lower the whole mix.
Try the two sliders above to hear how a small change shifts the balance.
Try the volume controls ↑03 / Sleep timer
Choose when the sound stops.
The full browser mixer has 15, 30 and 60 minute timers. Choose a duration and check the countdown beside the controls. You can cancel it if you want to keep listening.
15 min30 min60 min
Set a timer in the mixer → 04 / Ready-made mixes
Start with a blend, then change it.
Each preset opens with its sounds and volumes already set. Keep that balance or adjust the layers in the mixer.
River and Green Noise for Focus
A centered noise bed and flowing water for sustained desk work.
- Green Noise 60%
- River 35%
Slo on your phone
Find Slo in your app store.
The controls shown here are from the free browser mixer. For the mobile app, see the current features and plans in your store.
