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Help me understand the difference between 28dB, 38dB and 48dB.

Help me understand the difference between 28dB, 38dB and 48dB. I'm thinking about buying a fridge, and the fridges I'm considering have noise levels ranging from 28dB to 47dB (according to the latest fridge assessment in Choice). Fridges with a 28dB noise level rating are too expensive for me, though, so I'm trying to find something I can afford but which won't annoy me too much (I'm sensitive to the noise of a buzzing fridge). What I can afford tends to be somewhere in the mid-30s dB range. But it's no use going into a noisy showroom and trying to properly gauge how a fridge will sound in my quiet home. So I'm wondering if there's a way I can test these different noise levels at home before I buy, to see what's the difference.
posted by paleyellowwithorange on Nov 21, 2013 - 9 answers

"difficulty tolerating everyday sounds" is putting it mildly

Anyone else with hyperacusis ? Yesterday, I described something I though was just lack-of-sleep induced ear sensitivity and learned I was instead suffering from hyperacusia. (previously) [more inside]
posted by Baud on Nov 10, 2012 - 5 answers

Reducing noise between doors

How to temporarily reduce sound through a shared door? [more inside]
posted by greta simone on Jun 27, 2012 - 14 answers

Noisy enough for privacy?

Help me make our bathroom noisy enough for privacy in a small apartment? [more inside]
posted by anonymous on Jun 18, 2012 - 22 answers

Noise mitigation in an apartment with only partial bedroom walls?

Experiences and techniques for dealing with noise mitigation in an apartment with only partial bedroom walls? [more inside]
posted by phoenixy on Jun 8, 2012 - 9 answers

Help with noisy neighbor's loud music.

Noisy Neighbors: Am I just a cranky old lady or are my neighbors inconsiderate assholes? [more inside]
posted by [insert clever name here] on May 25, 2012 - 35 answers

Why do pine trees make a thumping noise?

Help me figure out why I hear and feel a thumping noise when I sit next to pine trees. [more inside]
posted by huxham on Mar 9, 2012 - 9 answers

I don't like rattling noises.

Can you identify this bike noise? [more inside]
posted by dd42 on Feb 3, 2012 - 14 answers

my new brakes are squeaking. any quick fix?

my new brakes are squeaking. any quick fix? [more inside]
posted by krautland on Oct 3, 2011 - 11 answers

Listened to Pots Never Boil?

Why does my pot of water sound like it's boiling, but when I lift the lid nothing's happening yet? What's making all the noise?
posted by Caravantea on Aug 9, 2011 - 8 answers

Fast, cheap, good, and hypoallergenic. Oh, and noise-reducing. That too.

Give me your best machine-washable sound-dampening technologies. Curtains, mostly. [more inside]
posted by deludingmyself on Aug 1, 2011 - 6 answers

Whence that whistle?

The clichéed two-part catcalling whistle that is performed at the sight of a hottie -- almost exclusively a man whistling at a woman -- that sounds like this. Rising, then falling. Where did that particular "tune" come from? What is the earliest recorded instance of its use? How was it popularized?
posted by Greg Nog on Jun 16, 2011 - 9 answers

Noise-Canceling Things

Noise-canceling headphones, or noise-cancelling earbuds, or earmuffs, or earplugs, or some combination? I need to protect my ears from both subway noise and loud co-workers. [more inside]
posted by Chicken Boolean on Jun 6, 2011 - 17 answers

Help us reduce our new home's train noise problem.

Help me (please) soundproof our new home against the trains that run right behind our house. Materials, strategies, tips: all are appreciated. [more inside]
posted by theNonsuch on May 29, 2011 - 24 answers

home science filter: Why is my water is singing!

I just microwaved a mug of water. And after about a minute it started making a loud humming noise, like what happens when you run a wet finger around a champagne glass. It sounded like there were aliens landing in my microwave. What happened? [more inside]
posted by chocolatemilkshakes on Feb 25, 2011 - 13 answers

Big baadda boom Leeloo Dallas multipass

Every few days there is a huge BOOM! that seems to emanate from Boston Harbor. It really echoes throughout downtown. What causes it?
posted by Admiral Haddock on Jul 19, 2010 - 18 answers

How to block out unwanted sounds?

How can I block out unwanted sounds? [more inside]
posted by lilyflower on Jun 9, 2010 - 6 answers

Soon to be a major motion picutre.

How do I turn a noisy low volume DVD video into a flash movie? [more inside]
posted by Obscure Reference on Jun 3, 2010 - 9 answers

Measure how noisily I sleep :-)

I have a pretty bad case of night terrors. I am turning to the hive mind to help me identify a cheap and effective solution/device that will record the times when I'm audible throughout the night. I don't want to know what I'm saying as it sometimes freaks me out (nothing scary, I'm just weirded out by listening to myself yell/whisper subconciously). So a tape/voice recorder is out of the running. In short, I need to know what time I make noise, and maybe a little squiggle or number on a piece of paper/read out screen letting me know how loud I was relative to the rest of that night (I'm thinking of the needle that scrbbles on rolling paper with a time stamp next to it like a seizmograph). Any suggestions? This can be hand made or purchased as long as it's not too expensive :-)
posted by WhereAmI on Mar 15, 2010 - 8 answers

No whining!

Why would a car be making a high-pitched whining sound? [more inside]
posted by trillian on Feb 3, 2010 - 22 answers

Turn Off That Loud Music!

I have a problem with hearing bass music vibrating through my windows and walls into my home. It literally echos through my every vein and makes me feel insane. Is this a sign of age? Is something wrong with me? [more inside]
posted by czechmate on Aug 29, 2009 - 22 answers

The Call of the Mole

Where can I find a recording of the cry or call or shriek or squeak of the common European mole, Talpa Europaea?
posted by misteraitch on Aug 27, 2009 - 3 answers

no noise

Macbook pro sound problem. Some sounds only heard through headphones. [more inside]
posted by theyexpectresults on Jul 22, 2009 - 6 answers

How can I make a book that sings?

How can I make a book with sounds for a baby? [more inside]
posted by gwpcasey on May 15, 2009 - 4 answers

What is that noise?

2003 Dodge Neon is emitting a High-pitched squeal [more inside]
posted by longsleeves on Apr 28, 2009 - 4 answers

my Sennheiser HD595 leak sound. is this normal? my coworkers are going nuts.

my Sennheiser HD595 leak sound. is this normal? my coworkers are going nuts. [more inside]
posted by krautland on Apr 3, 2009 - 16 answers

Can we hear the sun?

A question from my five year old: What noise does the sun make? [more inside]
posted by Miss Otis' Egrets on Nov 11, 2008 - 22 answers

The Conference Room Is Too Loud

In my office there is a small conference room, 81"x96", maybe 18' ceiling. The walls are sheetrock. The echo is extremely irritating. In order to quiet the room a bit I want to mount squares of corkboard, 12"x12"x1/4". I will use 12 to 20 of these squares on one of the 81" walls. Will this be reasonably effective in lessening the echo? [more inside]
posted by ben242 on Aug 19, 2008 - 15 answers

Hush Puppy

Why doesn't my puppy make a sound? [more inside]
posted by owtytrof on May 15, 2008 - 20 answers

health effects of low frequency sound

What are some reputable resources on the deleterious health effects of low frequency sound / vibration? [more inside]
posted by fleetmouse on Jan 23, 2008 - 2 answers

Deep in-the-ear earbuds that don't leak sound.

I'm looking for cheap, deep-in-the-ear earbuds for listening to audiobooks. The sound quality doesn't have to be great, because I won't use them to listen to music. I want cheap ones, because I inevitably break headphones, and I don't want to have to spend $100 every month. On the other hand, I'm willing to spend $20 a month if I have to. In-the-ear, because I don't want to keep my wife awake with "leaking" sound. [more inside]
posted by grumblebee on Nov 20, 2007 - 22 answers

How Can I Hear Less?

What is the most effective way of reducing the sound of other people: voices, music, traffic, all the stuff that encroaches on silence. Is there a really efficient earplug or headphone that will work or some external machine that will counter noise effectively?
posted by jennydiski on Jul 29, 2007 - 16 answers

Removing video cross-feed from the audio mix

At a recent lecture, I taped from the soundboard & from some microphones. I meant to record these to separate channels, but I accidentally left it in low quality mode - mono, 22khz. It sounds like video got thrown into the mix. Can I salvage the audio? [more inside]
posted by Pronoiac on Jul 15, 2007 - 9 answers

PC sound effects

How do I stop two PCs from turning themselves into a very annoying musical instrument? [more inside]
posted by twine42 on Mar 21, 2007 - 12 answers

Keeping the Rock Alive

I've always been annoyed by people who make a racket in the neighborhood. I'm likely to be one of those people next year. How can I soundproof a room, pacify neighbors, and avoid police? [more inside]
posted by tmcw on Mar 20, 2007 - 25 answers

Sound in Firefox

Is there a way to disable sound in Firefox, expecially from Flash? [more inside]
posted by andrewzipp on Jun 9, 2005 - 5 answers

CRT whine - how to stop it?

My CRT monitor puts out a high-pitched whine that changes tone depending on certain conditions of which I'm not familiar with (in other words, the tone fluctuates). It's not overly loud but it's definitely noticeable - it's quite irritating. It used to do this about a year ago then stopped only to start again last week. Anybody know why it's happening and how to stop it?
posted by ashbury on Nov 18, 2004 - 10 answers

Why is my wall buzzing?

The Tell-Tale Buzz, or: This Wall, It Vibrates? For the last several weeks (nearly a month now), a buzzing/vibrating noise has been coming from the wall between my apartment and the next one, driving both me and my neighbor crazy. What on earth could be causing this? (more inside -- literally) [more inside]
posted by Zonker on Sep 25, 2004 - 14 answers

What's the best way to nuke noise from single coil pickups while recording my guitar?

Guitar recording question: What's the best way to nuke 60hz hum and monitor noise from my single coil pickups? [more inside] [more inside]
posted by arto on Apr 21, 2004 - 8 answers

Can I fix my guitar amp myself?

I have a Marshall Valvestate 20 (8020) practice guitar amp. The built-in reverb has stopped working, producing just noise when you turn it up and a sort of wobbly sound if you bump the amp. Also the amp itself has a lot of hum, which goes away when I touch the strings. I'm too cheap/broke to get it fixed but know how to use a screwdriver and a sodering iron. Suggestions?
posted by signal on Jan 6, 2004 - 13 answers

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