The Quietest Place On Earth Will Cause You To Hallucinate In 45 Minutes 332
Hugh Pickens DOT Com writes "Industry Tap reports that there is a place so quiet you can hear your heart beat, your lungs breathe and your stomach digest. It's the anechoic chamber at Orfield Labs in Minnesota where 3ft of sound-proofing fiberglass wedges and insulated steel and concrete absorbs 99.99% of sound, making it the quietest place in the world. 'When it's quiet, ears will adapt,' says the company's founder and president, Steven Orfield. 'The quieter the room, the more things you hear. You'll hear your heart beating, sometimes you can hear your lungs, hear your stomach gurgling loudly. In the anechoic chamber, you become the sound.' The chamber is used by a multitude of manufacturers, to test how loud their products are and the space normally rents for $300 to $400 an hour. 'It's used for formal product testing, for research into the sound of different things — heart valves, the sound of the display of a cellphone, the sound of a switch on a car dashboard.' But the strangest thing about the chamber is that sensory deprivation makes the room extremely disorienting, and people can rarely stay in the dark space for long. As the minutes tick by in absolute quiet, the human mind begins to lose its grip, causing test subjects to experience visual and aural hallucinations. 'We challenge people to sit in the chamber in the dark — one reporter stayed in there for 45 minutes,' says Orfield who says even he can't stand the quiet for more than about 30 minutes. Nasa uses a similar chamber to test its astronauts putting them in a water-filled tank inside the room to see 'how long it takes before hallucinations take place and whether they could work through it.'"
Nein (Score:4, Funny)
Cool, a real geodesic psychoisolation chamber
Re:Nein (Score:4, Insightful)
Cool, a space that can be built for a few thousand $ that rents for $300-$400/HR!
That's nothing (Score:3)
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In my defence, I need the music to drown out the voices in my head.
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They're the ones that told you to turn the music on. They just want it so you can't hear them talking behind your head.
45 minutes? (Score:3)
Re:45 minutes? (Score:5, Funny)
In there, no-one can hear you barf
Sensory deprivation tanks (Score:2)
I've spent over an hour in a sensory deprivation tank and it wasn't nearly as trippy as this makes is sound.... Maybe longer would do it.
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Me too. It was no big deal.
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I remember reading abobut this in Feynman's autobiography. IIRC he wanted to experience some halucinations without subjecting his brain to any chemicals. I've always wanted to try it, but have never had access to a sensory deprivation tank. Fortunately there were plenty of chemicals.
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There's probably some substantive difference in hallucinations induced by drug stimuli versus those induced by removal of stimuli.
And a sensory deprivation tank itself is probably different than an anechoic chamber, since the tank is designed to remove all stimuli. The tanks are supposed to be dark and immerse you in water so you minimize all stimuli, where the anechoic chamber is quiet, but you still have physical stimuli since you're not in the dark, etc.
Drug induced hallucinations are probably more simi
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The tanks are supposed to be dark and immerse you in water so you minimize all stimuli, where the anechoic chamber is quiet, but you still have physical stimuli since you're not in the dark, etc.
Um... What parts of "But the strangest thing about the chamber is that sensory deprivation makes the room extremely disorienting, and people can rarely stay in the dark space for long." and "We challenge people to sit in the chamber in the dark..." make you think that you're not in the dark?
They test the volume of cell phone displays in there, for Pete's sake. Do you really think they'd have fluorescents running if they're trying to find out how loud an LED is?
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I remember reading abobut this in Feynman's autobiography. IIRC he wanted to experience some halucinations without subjecting his brain to any chemicals. I've always wanted to try it, but have never had access to a sensory deprivation tank. Fortunately there were plenty of chemicals.
You remember correctly. In Surely You're Joking, Mr. Feynman!" [fsu.edu] on page 128 in the chapter titled "altered states" he recounts his experiments with sensory deprivation. There was some chemical usage, too:
I must have gone about a dozen times, each time spending about two and a half hours in the tank. The first time I didn't get any hallucinations, but after I had been in the tank, the Lillys introduced me to a man billed as a medical doctor, who told me about a drug called ketamine, which was used as an anesthetic. I've always been interested in questions related to what happens when you go to sleep, or what happens when you get conked out, so they showed me the papers that came with the medicine and gave me one tenth of the normal dose.
(It is unclear to me whether that was a one-time thing, or whether he used the ketamine for all his subsequent visits.)
I *highly* recommend reading the entire work!
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Not with Richard Feynman, but instead with William Hurt and Blair Brown, I rather enjoyed "Altered States", even though it was filled with William Hurt pretentiousness - it fit because he played a pompous academic.
As for related, the movie involved sensory deprivation chambers, with and without chemical assistance.
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Sorry for replying to myself... left out the href...
See the chapter "Altered States" on page 128 of Surely You're Joking, Mr. Feynman!" [fsu.edu].
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Is a sensory deprivation tank as quiet as this? From what I understand of their design, it doesn't seem as though they would be. Water is a great conductor of sound, and you can hear things through bone conduction (maybe even soft tissue to some degree? we are ugly bags of mostly water).
Re:Sensory deprivation tanks (Score:5, Interesting)
Maybe longer would do it.
Yep, longer will do it, I'd find it very difficult to believe someone can go without sleep for five days without hallucinating. I worked on a fishing trawler in the southern ocean. Every voyage lasted about 3 days. That's no sleep for 70+ hours, 30-35 of them working straight through to fill the hold, only stopping for 30 min every 5hrs to get something to eat, the other half of the time was normally spent holding on for dear life in the "roaring forties" between the Islands and the mainland
Driving home in twilight on a country road after my first voyage, a row of white goblins suddenly ran single file across the highway, they were about 3 foot tall with one big red "Cyclops" eye that took up their entire face . They kept coming out of the thick scrub all in neat single file, every one of them looking straight at me, running for their lives and showing no signs of breaking formation even though I'm driving straight at them at 100km/h.
I hit the brakes even though I kept telling myself in my head that it wasn't real, I hadn't yet realised I was hallucinating and could not work out what the fuck was going on, and whatever they were I certainly didn't want to hit them. I noticed that as I slowed down so did the "goblins", when I was nearly stopped I just as "suddenly" realised it was the row of white guide posts with the red reflectors that you get on hazardous stretches of highway. They appeared to be running across the road because I was approaching a long right hand bend. I hadn't been looking at where the goblins were going until I was almost stopped. What was left of my attention was focused on where the goblins were coming from. As soon as I looked to the left to see where they were going, it broke the illusion.
It was only then I realised I had been hallucinating. Further down the road on that 30 minute trip I saw a large "beast" on a semi trailer. it looked a bit like an elephant or a hippo lying on it's back with it's legs straight up and in chains, before I could put a finger on what type of animal it was it morphed into a log truck carrying two stacks of short logs. A bit further down the road there was a (very fat) aborigine sitting under a tree at the side of the road sporting a loin cloth and yellow corroboree spots on his body, that turned out to be a large lichen covered rock. As I was showering and crawling into bed someone kept speaking my name every few minutes.
I worked the boats for about 6 months (circa 1980), the goblins were the best but also the most disorientating. Once you realise what's going on and start expecting it to happen they don't seem to last as long or appear as frequently. Some people can sleep on a 60' fishing trawler in high seas, most can't, some of those (ordinary) people see really fucked up shit that stops them going out to sea again. Personally I quite enjoyed the audio and visual effects my brain throws back at me when it's protesting a lack of sleep. I can see why Alice was so curious about the rabbit hole, needless to say I got the wife to pick me up from the docks after that first voyage. I slept a solid 24hrs after every "trip", curiously about the same amount of sleep I had missed over the previous 3 days.
Chamber (Score:5, Informative)
I've been in an anechoic chamber - it is quite strange, when you talk it feels like your voice is being sucked out of you.
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Hush [wikipedia.org]!
Re:Chamber (Score:4, Insightful)
I've only managed to stick my head into a much smaller quiet space for a few seconds. The silence hits you like the chiming of Old Tom at Unseen University.
Or so I've heard...
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meditation chamber (Score:3)
Not having reached the point that I can ignore all external stimuli, that sounds like a place I could work on inner stillness, at least. Too bad it's so far from where I live; I'd like to try a few individual hours.
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Not having reach the point where I can silence all external stimuli, that sounds like a place where I could think in peace. Too bad I'd get nagged to take the kids in there with me.
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So, build your own (Score:5, Funny)
Dig a hole about forty or fifty feet deep. Make a monolithic pour of waterproofed concrete. Install the insulation and the anechoic surfaces. You'll want at least a couple soundproof hatches in the access tunnel, maybe three or four, to eliminate noise from the wind or whatever.
With your own chamber in your back yard, you can deprive yourself anytime. When you tire of that, you can use it to hide your armory, or your gold, or dead bodies. Whatever needs to be hidden, you've got the place to hide it. Plan for the future though - a guy never knows just how many people he might meet who desperately need to be bludgeoned to death!
Re:So, build your own (Score:5, Insightful)
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So long as you're digging, make a few chambers at the bottom.
You might want one for, uhh, disposal, one for storage, and maybe a survival shelter, in addition to the anechoic chamber.
They don't all need to be furnished at once, but I imagine it will be less expensive to have the deep hole excavated once, rather than bringing back the heavy equipment when you want to expand the underground lair.
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It's not hallucinating (Score:3)
it's looking into the future
Not if you have tinnitus? (Score:4, Insightful)
With this condition you will always be exposed to some other forms of sound - would this prevent the hallucinations?
After all, your senses are not fully deprived of input.
Re:Not if you have tinnitus? (Score:4, Interesting)
Yep (Score:5, Interesting)
Tinnitus is no fun in low noise environments as your ears seem to be awash in it. It seems really loud and overbearing, since it is all you hear. That kind of thing happens when you get your hearing tested and you have it (as I do). When they start doing threshold of hearing tests and the sounds they make are really quiet, the tinnitus seems massive and overpowering. Then you take off the headphones and leave the booth and it vanishes.
Re:Not if you have tinnitus? (Score:5, Interesting)
I have mild tinnitus. In normal environments I'm not aware of it, but when the room is quiet I notice it. In this chamber it'd probably drive me crazy, hallucinations or no.
FWIW, mine started after a severe cold and has never diminished in the seven years since.
Re:Not if you have tinnitus? (Score:5, Insightful)
I have tinnitus from going to night clubs and frat parties in college. I can't sleep at night without a fan and this chamber would drive me nuts.
Kids: Wear your friggen earplugs. You may look like a dork, but trust me, someday you will wish you had. You know that ringing you hear after leaving a concert? Someday you'll hear that all the time and it never, ever goes away.
Re:Not if you have tinnitus? (Score:4, Informative)
The way I understand tinnitus, I don't think it would make a difference.
Here's what I know: Our inner ears contain hair cells which would normally be responsible for perceiving specific frequencies when stimulated by the basilar membrane inside the cochlea (which is simulated by the 3, tiny bones which are stimulated by the attached ear drum, which is stimulated by...you get the idea.). With tinnitus, however, some of these hair cells are damaged and can no longer detect vibrations. As a result, the accompanying neurons associated with those damaged cells become "hungry" for stimulation because the brain sends an increasing level of "outbound" signal since it never receives any "inbound" signal, thereby causing the ringing sound we hear...a "loop" of information, if you will. This is very similar to the phantom-limb pain we can feel after having lost an arm or leg; this situation also causes the associated part of the brain to stop receiving signals from the amputated or damaged limb and the increased level of outbound signal causes (severe, in many cases) pain. Tinnitus works the same way, but on a much smaller scale because fewer neurons are left wanting, plus we still have many hair cells remaining which function normally and help "drown out" the ringing.
So, by that rationale I imagine that the ringing would be much more apparent initially but would eventually be drowned out by the sounds perceived by the working cells, like heart beat, breathing and digestion. Then when those sounds are not enough, our brain starts creating "phantom" stimulus which causes the hallucinations.
In short, I would think the answer is no.
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The physiological causes of tinnitus are not the only basis for the condition. It can also be purely neurological. For example, cessation of Benzodiazapenes (typically Xanax or Klonopin - generically Alprazolam) after long-term use is known to often cause tinnitus for ~two years or perhaps more. I have relatively severe tinnitus of this causation. I agree with others' experiential anecdotes - it really can be quite debilitating in a very silent situation.
The CIA (Score:2)
I think they just found a new enhanced interrogation technique.
Re:The CIA (Score:5, Informative)
I think they just found a new enhanced interrogation technique.
A new one, hardly. They've been using it for 50 years. http://www.salon.com/2007/06/07/sensory_deprivation/ [salon.com]
Re:The CIA (Score:5, Interesting)
Sadly not surprising. Hell, I believe even solitary confinement should be tossed out as a form of psychological torture.
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yogi (Score:5, Interesting)
It would be interesting to see the reaction of a competent yogi in there. They study exactly that: excluding sensory input and generating alternate mind states.
I can confirm this (Score:5, Interesting)
I had a go in the UK Plantronics anechoic chamber last year on a factory visit. They have a webcam, and an egg timer on the wall. It's not odd for people to weird out if they spend any time in the chamber. The (digital) egg timer was there so you could set it for 30 minutes and it would hopefully snap you out of any spin you got yourself into.
I was in there for no more than five minutes, and it was extremely disorientating. You really can hear the blood in your ears. It's very much like the sound you get from sea shells. I can easily imagine losing my shit in short order in there.
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I can easily imagine losing my shit in short order in there.
I really don't want to know what that sounds like.
But have you... (Score:3)
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Try a sensory deprivation tank (Score:5, Interesting)
Back in the 90's I spent some extended time in a sensor deprivation chamber.
Nothing as fancy as this place. Not even remotely close. Just a salt water tank and a really really dark and quite environment.
I can tell you I was Hallucinating in far less than 45 minutes when I was in a sensory deprivation tank. Auditory hallucination was the first. Then physical sensory. Then finally visual. I can't comment on temperature. I had no memory of anything to do with temperature. Pain was there, but I am a bit confused if it was a memory of a memory or if I actually felt in while in the tank.
I was in their for about a week. It was suppose to be longer. But I got pulled out when people got worried. Apparently I was not exhibiting an EEG with in expected norms. What ever that means. I used to know more about the results. But that was 20 years ago.
The hallucinations got so intense that I believed them. This only took a relatively short time. No way of telling how short really. Nothing really weird, or dangerous. I substituted what I believed to be a real world environment. Yes responses from others were to easy and terse. Which was odd. The most unusual thing was travel. Traveling distances took little time at all. Rather I don't remember details of travel. Things that you would normally remember. There is always something about a journey you remember. In the tank I didn't have those memories. I always felt rather dis-connected after travel in my hallucinations.
I was completely freaked out when they started to revive me. They started with light and then some sound in the tank. Apparently I resisted it. I forced my eyes shut and made funny faces when the light and sound started. It really was hard to accept my environment. It felt like it all went down in a few minutes. But apparently the process was over an hour.
What you do for a little Uni cash.
PS. Yes they hooked up tubes to my bits. That was more disturbing coming out than in. I'll never forget that.
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Siberia (Score:2)
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It was snowing last time I was up there, that made it even quieter.
I could finally hear myself think.
My bedroom? (Score:3)
Zen (Score:2)
Sounds like (no pun intended) it would be a great place to practice insight meditation
Brain (Score:5, Interesting)
Soundsoak (Score:3)
I had a small computer room lined with Armstrong's 'Soundsoak' panels and before the equipment was installed, the effect was stunning. I found the silence to be literally painful to my ears.
Re:BULL CRAP! (Score:5, Funny)
And people who are deaf are all out of their minds?
No wonder deaf people are always flailing their arms at each other. It all makes perfect sense now!
Wait a second! (Score:5, Interesting)
Are you sure that deaf people don't hear ANYTHING? Or, maybe they simply can't hear the same way you or I do?
I know for a fact that deaf people can sense vibrations, and sound is nothing more than vibration. Your ear is specially designed to make sense of a particular type of vibrations.
What about bone induction?
I googled "hearing without ears" and got a boatload of hits. Some look pretty interesting, some look less interesting. Try it yourself.
Re:Wait a second! (Score:5, Insightful)
Right. There is a difference between no skund and not being able to hear it. Also this chamber locks out about all other external stimulus except for gravity.i would think that might be a bit different then just being deaf
Re:BULL CRAP! (Score:4, Informative)
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No, that doesn't work. Too much information is lost. Unless you have a very narrow range of guesses of what they might be saying, you have no chance of understanding.
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Now now, relax, being curious about something is not the same as how you interpreted it.
I think he meant that he would love experience the room, not being deaf.
If he did mean being deaf "Do not attribute to malice, that which can be adequately explained by stupidity".
Vacuum (Score:5, Insightful)
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i just gave it doubt because 3ft of insulation isn't all that much really.
one of the quiet places sure...
Re:Vacuum (Score:5, Interesting)
Interesting point. But can we really call a place where sound doesn't exist "quiet". In the same way we can't call vacuum "cold" because there is no temperature.
The air in an anechoic chamber actually makes things stop vibrating whereas vacuum merely prevents the sound from propagating.
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If a tree falls in a vacuum chamber in the woods, the sound is carried by the container to the surrounding air...
Re:Vacuum (Score:5, Funny)
If a tree falls in a vacuum chamber in the woods, the sound is carried by the container to the surrounding air...
... whether or not there is anyone there to asphyxiate while trying to hear it.
Re:Vacuum (Score:5, Informative)
But can we really call a place where sound doesn't exist "quiet".
Yes, "quiet" is defined as the absence of sound without specification of the reason for its absence. If not we will need a new word to describe the "quiet due to the absence of anything to vibrate"-ness of space.
In the same way we can't call vacuum "cold" because there is no temperature.
That's not actually correct - we can measure the temperature of a vacuum from the blackbody radiation spectrum it contains. For example deep space, away from any nearby heat source like a star, has a temperature of 2.7K due to the cosmic microwave background radiation.
Re:Vacuum (Score:5, Insightful)
You're not measuring the temperature of a vacuum, there's nothing to measure.
Yes there is. If you put a thermometer inside a perfect vacuum chamber, and put that chamber inside a room at 20 Celsius, the thermometer will (eventually) reach thermal equilibrium and read 20 Celsius. Objects exchange heat with their environment in three ways: conduction, convection, and radiation. A vacuum only stops the first two.
Re:Vacuum (Score:5, Insightful)
Wouldn't that just tell you the temperature of the thermometer itself? If the thermometer isn't there to receive heat by radiation, does the vacuum have a temp?
Re:Vacuum (Score:5, Informative)
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You're missing the point -- the vacuum itself has no temperature; that was the statement. Sure, an object placed into a vacuum can have a temperature, but that object *is not a vacuum* and is thus destroying the experiment.
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But in that case the thermometer is measuring its own temperature, not "the temperature of the vacuum", whatever that means. And selective coatings with different absorption and emission spectra could change the reading of the thermometer. Does that change the "temperature of the vacuum"?
Re:Vacuum (Score:5, Informative)
And selective coatings with different absorption and emission spectra could change the reading of the thermometer.
This is absolutely untrue. If it was true, it would be trivial to build a perpetual motion heat engine powered by the temperature difference between the thermometer and its environment. Maintaining a heat gradient requires an input of energy, not just a passive "special coating".
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A thermometer coating with high absorption for solar wavelengths and low emissivity at longer wavelengths would get hotter than one with the opposite characteristic when placed near the Sun. Indeed you could run a heat engine off this temperature difference and as you say it would ultimately be powered by the continuing incident radiation. But the vacuum environment has no inherent temperature of its own, rather a radiation flux which can heat different objects to different temperatures even when both are i
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And if you stay in there for a while you can hear yourself cracking.
Re:BULL CRAP! (Score:5, Insightful)
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Not what it says. It says when it gets THAT quiet, and you start hearing your own bodily functions,
Correct. And THOSE sounds are what cause people to hallucinate. The this is an evolutionary defensive mechanism: Fixating on the subconscious thoughts that only those like me with Sleep Paralysis normally see while awake prevents humans from realizing that some truly heinous shit is brewing deep inside of everyone.
Re:BULL CRAP! (Score:5, Interesting)
Hallucinations are normal, some have more than others. Probably the worst thing you can do is treat them as an illness (or demon). [ted.com]
Re:BULL CRAP! (Score:5, Funny)
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Re:BULL CRAP! (Score:5, Insightful)
By the same token, people who were deaf who through new surgical methods are made to be able to hear, actually have a very hard time adapting to it. We who can hear take for granted the period in infancy when we develop the mental capacity to reflexively filter out background noises and such. People who were deaf lack the automatic mental controls, and in a sense, can't stop hearing, which makes it hard for them to focus on specific sounds (and hard to sleep). It's so bad that some even have the surgery reversed and voluntarily go back to being deaf because to them it's better than a sense of hearing that they can't control.
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Just to add one more element to the mix, Autism can often be marked by an inability to filter out noises and other sensory input. So the brain gets bombarded by input from all directions. Whereas neurotypical (those without Autism) can filter it out, those with Autism can feel like they are struggling to stay afloat in the sensory sea. People with Autism will often need time in a calm, low-sensory input environment to decompress after too much sensory input. (I know this both personally - I have Asperge
Re:BULL CRAP! (Score:5, Interesting)
When I got my cochlear implant, we worked on improving the sound quality for a period of about six weeks, and at the end of the sessions, my hearing was about as good as I remembered, except in noisy situations, where comprehension drops greatly because I don't have the filtering ability anymore: it all comes as one block of sound and the CI can't adapt like our brain does, automatically. Other than that, I had no problem adjusting to hearing again. In fact, it was like a new lease on life. But, I know of congenitally deaf people, as you describe, that reject CIs because they don't know what to do with the new sensory input. That, plus growing up deaf, learning things through sign language instead of speech, it makes it a bizzaro world transition: they don't know how to handle our "normal." I feel bad for those folks.
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Yes. And people who are deaf are all out of their minds? Wow. What crap!
It's also about the contrast, for the people who are not deaf.
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The ones who suddenly lose the majority of other sensory inputs they've gotten accustomed to, yes.
It's not "lack of sound" that causes hallucinations. It's the unusual circumstances that your brain isn't able to understand as easily as the normal world.
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You can still hear, though. Sound waves can travel through your nose and mouth, and through your bones. In that room there's no sound, at all. Anything you hear will come from inside your own body.
I wouldn't last more than a minute there, though. I become anxious within a few minutes of wearing earplugs, and I need them to swim underwater.
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In that room there's no sound, at all...
So? Make some, its not like that they filled that chamber with a gas that you can breathe but it's soundproof.
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Earplugs don't stop all outside sound but I was thinking the same thing....
anechoic chamber + nice bed = best sleep ever
Re:Where can I get in one? (Score:5, Funny)
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That's what she said...
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Any decent recording studio will be pretty close to this.
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Oh - because that was set up for a "wall of sound" with as much echo as possible rather than being anechoic.
In my voice-recording experience, isolation booths in radio studios are vaguely close to this, but nothing really compares to the absolute silence of test facilities I've seen, but not heard, in engineering companies.
Re:Simulating the quitest place on earth? (Score:4)
Having worked in a decent recording studio, absolutely not.
A good studio has little echo, but still some. A missing echo makes instruments sound like they're synthesized; especially percussion and hammered strings. When people hear a drum beat, the first thing they get is the loud thump as expected, but that's mixed with an echo a few milliseconds later as that thump bounces off the walls and ceiling of the studio. While humans can't really perceive the echo as a second drumbeat (because they'll also be hearing the drum head still vibrating from the initial hit), the extra echoes add complexity to the wave, making the drum sound more vibrant.
Without echoes, everything sounds dead, much like a digital sample that's been compressed too heavily at too low a bitrate. Sure, there's a drum, but it's not quite as good as a real drum. There's a singer, but they sound like they're talking more than singing. About the only instrument that sounds right is the electric keyboard, but that's not much of a song. This is actually one of the reasons that recordings made outside sound different. There are no nice walls to brighten up the mix. A good recording engineer can then add echo while preserving the wind and ambiance, so the final copy still sounds like an outdoor recording, but the band sounds natural.
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I can tell you've never been in a recording studio, therefore have no idea what you're talking about.
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How long is a piece of string?
Re:Simulating the quitest place on earth? (Score:5, Interesting)
Years later when I went into an anechoic chamber for a hearing test, I recognized the same feeling. It isn't "silence" like when you're in a quiet room. The minute echos tell you you're still in a room. It's more like an open emptiness, with a similar feeling of low pressure against my ears. Close your eyes and you can't tell you're in a room.
I think the low pressure sensation is psychosomatic. When you ride a plane, the pressure change mutes the sounds you can hear as well as puts pressure on your eardrum. The quiet of the anechoic chamber or the paper mache balloon is very much like the muting of sound you get from a pressure change. And I think the brain automatically concludes you must be experiencing a pressure change, and makes up the sensation of low pressure.
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You know your grandparents are turning in their graves every time you open your ignorant mouth to correct other people's vocabulary, right?
Not entirely lame (Score:3)
It isn't being advertised as a "sensory deprivation chamber". It's being advertised as a sound testing chamber. You are deprived of one sense, and one sense alone, in this chamber.
Phhttt.....
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