Blue Noise and Rain for Reading
A light hiss with rain over it, for reading in a room that is either too quiet or too clattery.
- Blue Noise 50%
- Rain 36%
Brown noise is the best noise for reading, with pink noise as the lighter version of the same idea and steady rain when a flat wash feels cold. All three are wordless, and that is the part that matters: a lyric or a sentence you can make out will pull your eyes off the page whether you want it to or not. Press play, set it quiet, and read a chapter before you decide.
Slo plays all three free in this browser, with a volume you set yourself and a timer, and no account to make. Below, each sound in more detail, plus what to use on a train, in a loud house and in a café where you can hear every word.

Brown noise first. Pink noise if brown sounds too dark. White noise only when the thing bothering you is sharp.
Our guide to noise colors has the full set, and brown, white and pink noise compared goes into how they differ.
| What you are reading | First choice | Alternative | Avoid first |
|---|---|---|---|
| A novel | Songs you know the words to | ||
| Textbook or dense non-fiction | Podcasts and audiobooks in the background | ||
| Long articles on a screen | A playlist that changes track | ||
| Reading in bed | Thunder and other loud events | ||
| On a train or bus | Turning the volume up to beat the engine | ||
| In a café with clear conversation | in headphones | Café ambience layered on real café talk | |
| Re-reading something familiar | Nothing in particular, this one is forgiving |
Take these as starting points. The sound is doing its job when the room stops interrupting you and you forget it is on. Catch yourself listening to it and you should make it plainer or turn it off.
Reading uses the part of your mind that handles words, and it uses it the whole time. You hold one sentence open while the next arrives, and that job runs on the same equipment as listening to someone talk. A podcast, an audiobook or a song with words needs that same part, so the words you hear compete with the words on the page. Most readers notice it as reading the same line twice without meaning to, or getting to the bottom of a page with nothing to show for it.
Melody does something quieter but similar. A tune has a shape, and you can tell where it is heading, so your ear leans forward for the chorus while your eye sits still. Steady, wordless sound gives you nothing to lean toward. That is why this list looks different from our study sound guide, where lo-fi and café noise earn a place for problem sets and admin work. For reading, they drop down the order.
Brown noise sounds deep and a little muffled, closer to surf a long way off or the inside of a plane than to static. There is no event in it to follow, no beat, nothing to anticipate. It is also the sound people press play on most often here.
Best for: novels, textbooks, long reports, and any sitting past twenty minutes.
Why it suits reading: it covers the deep noise a room is full of, like traffic, a refrigerator, a boiler or someone moving about upstairs, and it adds nothing verbal of its own. The absence of hiss counts for more over an hour than over five minutes. For a hard chapter, plain brown noise and nothing else is usually the right call.
When to switch: if the bass feels heavy behind your eyes, or a small speaker turns it into an uneven rumble, drop to pink noise. A phone speaker cannot reproduce deep sound at all, so brown noise wants earbuds or a real speaker. Start with brown noise and adjust from there.
Pink noise sits between brown and white. It has less at the top than white noise, so it skips that sharp hiss, and it is lighter and airier than brown.
Best for: screen reading, shorter sittings, and anyone who finds brown noise too enclosed.
Why it suits reading: the same wordless steadiness, at a brightness some readers forget about more easily. It also covers a conversation two rooms away slightly better than brown noise manages.
When to switch: if you can still pick words out through it, either move or get headphones that seal properly. Raising the level is the one move that will not help. Pink noise is not meant to win a volume contest.
Rain is mostly hiss, with small changes running through it. For readers who find a flat wash sterile, it is the obvious swap. Of the rain recordings here, heavy rain is the one people play most.
Best for: fiction, evening reading, and rooms where an even noise floor feels clinical.
Why it suits reading: the variation is very fine. Thousands of small impacts average into one wash, so there is no single event for your ear to track. Hiss is also what softens a television murmur and a door down the hall.
When to switch: a recording with distinct drips, gutter splashes or thunder hands your ear something to follow. Steady rain and heavy rain stay uniform; storm tracks do not. A deep rumble passes straight through rain, so rain alone will not do much about a bus idling outside.
Fire is the one sound here made of events: pops, a log shifting, an uneven hiss under all of it.
Best for: a novel in an armchair, half an hour at a time, winter evenings.
Why it suits reading anyway: the crackles are irregular and carry no meaning, so most people stop registering them within a minute or two. Plenty of readers pick it for the scene it sets more than for covering anything.
When to switch: when you are following an argument closely, one loud pop is a genuine interruption. Use fire or campfire for pleasure reading and something flatter for study. Turning the fire down over a bed of brown noise also works well.
Moving water sits between rain and the noise colors. A river runs continuously, but it rolls rather than lying flat.
Best for: re-reading, light non-fiction, long articles, and rooms that already feel like outdoors.
Why it suits reading: no language, no rhythm you can count along with, and a tone most people find pleasant at low volume for an hour.
When to switch: splashy recordings with clear individual gurgles behave more like fire than like rain. If you keep hearing separate splashes, bring the water down and put a quiet noise under it.
This is the one entry that can go wrong. Café noise is popular because a busy room feels productive, and that feeling is real enough. The acoustics are the problem.
The test takes one second: if you can follow the conversations, the recording is competing with your book. Speech you can parse is the worst possible background for reading, and a well-recorded café is full of it. When the voices are a distant murmur with no words in them, it behaves like rain and does no harm.
Best for: skimming, browsing, re-reading, making notes between chapters.
When to switch: the moment you catch a sentence. Put café ambience underneath brown noise at a low level, or drop it for the chapter you actually need to take in.
A television downstairs, someone on a call, a kid on the stairs. The mix is mostly voices and clatter, so pick the hiss over the rumble: steady rain or pink noise blurs more of it. No sound erases speech, because your brain is built to listen for it, and all you can do is blur the words until they stop being words. Closing a door first is worth more than any setting.
The engine is a deep rumble, and a hiss will not touch it. Brown noise is the right shape here, but the fix that does the real work is a seal: in-ear headphones that fit, or noise-cancelling ones if you have them. Get the isolation right and you will need far less volume, which matters on a long commute.
Same problem as a loud house, harder, because the speech is close. Headphones that seal, then brown or white noise set to the point where the voices go indistinct. Chasing actual silence will tire your ears out and you will still hear the loud talker.
Pick something you can leave running after the book goes down. Gentle rain and brown noise both suit this, on a timer so it does not run until morning by accident. The sound pages here offer 15, 30 or 60 minutes and an all-night option. If falling asleep is the real aim, our sleep sound guide covers that choice properly.
Set the level once, at the start, at the quietest point where the room recedes. Louder is not better here: past a certain point the sound you added becomes one more thing competing for the page. You should still hear a doorbell and anyone talking to you directly. If your ears feel tired afterwards, or you notice ringing or muffled hearing, that was too loud, and the fix is headphones that seal better, so you can keep the volume lower.
Put the phone face down before you press play. A notification will out-compete any sound you choose.
Pick one book and two sittings of the same length, same time of day, same chair. Read the first with a sound and the second in silence, and hold everything else identical, phone included.
Write down two numbers each time: pages finished, and how many times you had to re-read a line. Those two beat how the session felt, because a pleasant sitting and a productive one are not always the same sitting. If the sound moves neither number, it is decoration, and keeping it for that reason is perfectly reasonable as long as you do not expect more from it.
Reading presets
A bright rain blend for readers who find brown noise heavy, a flat studio bed for study reading, and rain over a fireplace for the evening. Press play with the bright one quiet, and change the volume on any sound in the mixer.
A light hiss with rain over it, for reading in a room that is either too quiet or too clattery.
A steady rumble, a wide ambient sound, and typing quiet enough that you barely catch it.
Rain at the window and a fire in the room, for the hour between finishing work and going to bed.
Brown noise, and pink noise when brown sounds too dark or too enclosed. Both are wordless and steady, so there is nothing in them for your reading to trip over, and both stay comfortable over an hour in a way a bright hiss often does not. White noise earns its place when the distraction is sharp, like a keyboard two desks away or a voice through a wall. The noise color guide explains what separates them.
Yes, and it suits screen reading and shorter sittings especially well. Pink noise sounds a lot like rain behind a wall: lighter and airier than brown, without the hiss of white. It also blurs a distant conversation slightly better than brown noise does, which matters in an apartment with thin walls.
Anything with words in it will cost you pages, because reading and listening to speech both run through the same part of your attention. Instrumental music is easier, though a melody still has a shape you follow without meaning to. If you want music, keep it to the twenty minutes before you start, then switch to something steady for the reading itself.
For the hardest pages, often yes, and that is worth testing before you assume sound helps. Background noise is useful when the room keeps interrupting you: a television downstairs, someone on a call, an engine. In a quiet room with a difficult chapter, adding sound gives your attention one more thing to handle.
For reading and writing, brown noise is the usual starting point, with pink noise as the lighter option and white noise for sharper room noise. Studying covers more than reading, so problem sets and flashcards can take different sounds. Our study sound guide splits it by task, and brown, white and pink noise compared covers the acoustics.
There is no settled answer, and research on noise color and attention is thin and mixed. Try brown or pink noise at a low level and judge it by how many pages you get through. Our brown noise for ADHD guide sets out what the studies do and do not show.
People commonly reach for brown noise or rain because they are steady and have no sudden events in them, which can make a room feel more predictable while you read. This is a description of what people choose, not a treatment. Speak to a clinician about persistent anxiety.
Explore more sounds in Slo
Stack two or three sounds, keep the blend, and let the timer stop it. Slo, on iOS, Android and Mac.