WEBVTT

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this is after you guys spent eight hours cable managing this maybe our server

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room here at the lab looks like an absolute cluster

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fine but beneath its ugly facade a

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shockingly well-oiled machines taking form quietly humming did I say quietly

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because this space next to it for our social media team is completely unusable

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even with the door closed I mean we've

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solved some of the problems since the last progress update for example we

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sealed this Gap in the wall that was bothering our Mac people our bfcs or box

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fan cooling system has been replaced by 15

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000 watts of cooling capacity and if you just tilt the camera down a little bit

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the cable management has actually improved yeah but it's freaking loud and

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we don't even have the really loud equipment in there yet

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now you guys criticized me pretty hard when I DIY sound dead into the studio

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server room and well I get it it wasn't

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pretty but it worked shockingly well and it isn't a fire hazard Reddit though

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that doesn't mean that we're just going to do the same thing again our DIY

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philosophy isn't changing but we're gonna do it way better this time and

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we'll be doing the entire room for less than two grand which sounds like a lot

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of money because it is but compared to the cost of a professional solution it's

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a steal in the original server room we used recycled denim insulation as our

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sound absorbing material and that stuff worked great but it's on the more

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expensive side It's tricky to Source locally and it is a pain in the scrotum

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to work with so this time we're going to be using a few different materials first

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up is a layer of 3 8 inch OSB or

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oriented strand board this is a really inexpensive wood sheet product that we

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already put on the walls to make mounting our installation easier if we

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hadn't done this what we could have done is try to hit studs or use drywall

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anchors but that would have made the process take forever unless we just

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didn't worry about any of that and just hoped our nails would stick into the

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drywall next up we're adding a layer of what's called sonopan this stuff is

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super cool and I wish I'd known about it when we did my theater room it's a

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recycled wood sound insulation material that's unfortunately only really easily

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available in Canada it's kind of like if MDF and fiberglass insulation had a baby

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but in spite of the fact that it's practically made of sawdust it's still

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strong enough that you can screw it onto the wall with drywall screws if the goal

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is to eliminate Reflections within the room this might not be the best product

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for you it's a very dense material but if the goal is to prevent sound from

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escaping the room this be your guy

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and this ain't hurting things because our goal though is to both stop sound

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from escaping the room and also to eliminate Reflections which helps keep

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sound from escaping the room once the sauna pan is on we're gonna

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basically do what I did last time but way better first up instead of ultra

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touch denim batting we've gone with rockwool safe and sound which is a sound

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specific insulation material that's meant for the interior walls of houses

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yeah Linus the interior of walls why

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didn't you put it in of course I thought of that it's already in the inside it's

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still loud we're adding more and I'm adding this Segway to our sponsor build

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your dream gaming rig today where do we start a baseline loudness sound pressure

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level is measured in DB but there are different kinds of DBS you have DBA you

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have DBC the A and the C are filters and

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they exclude some part of the spectrum from the calculation so we want DBC

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because we care about this broad frequency we're going to get both of

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them first we want to see how how much noise we have in different parts of the

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spectrum for a few seconds we have to be quiet!

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impossible

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this is the spectrum of the noise we have quite a bit of noise at 120 hertz

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which is the sound of the Transformer upstairs but the rest of the noise is

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actually pretty uniform throughout the Spectrum maybe it's a bit less in the

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triple range but you have a lot of noise in the bass a lot of noise in the mid-range and this is what we would

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describe as like a white noise yes so so why Broadband noise which if you have

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all of the noise at the same level enough at all frequencies you get white

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noise but even and white noise is annoying if it's loud enough and what

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we're looking at is what about anywhere from 55 to 60 decibels yeah so the

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overall numbers that I'm getting is 65.2

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DBC and 53.8 DBA but again we care about

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DBC more because we have a quite a bit of noise in the bass range as well okay

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now that would make for a pretty unpleasant working environment yes for

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comparison here's Jake's desk so green is here red was downstairs a bit more

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noise in the base range here this is going to be less audible it's going to be more Rumble okay because that's our

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HVAC right yep DBC here is actually louder it is 67.5 downstairs was 65.2

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but DBA is a lot quieter here it's 43.3

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DBA here the low range noise is more like Rumble so it's less less bothersome

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this is more annoying from an evolutionary standpoint like we're tuned

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to hear this range way more again for first speech on dialogue yes got it last

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time around cancellation with long nails through the

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outer duveteen at the end to attack both

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my cloth and my insulation onto the wall and while it's mostly intact all these

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years later we've ended up having to do a fair bit of red green engineering to

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keep everything happy so we went back to the drawing board and designed our own

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custom insulation holding plates inspired by the plastic washers they use

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when sound deadening some music studios we even added teeth because it makes the

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rock wall stick a little better oh that's cool they're 3D printed yeah each

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plate gets an oversized number 10 washer and a four inch wood screw

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then we just hold the rock wall up

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and it's just long enough to reach through our sauna pen into our OSB

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without mushing down our insulation too much that's not something we want then

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like last time we're going to be using duvetine to keep the insulation from

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shedding all over the room and clogging up our servers all these years later

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it's still one of the cheapest fire retardant Fabrics that we could get our

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hands on and since it has some thickness to it there's a chance it could help

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contribute to our sound deadening I really don't think so anyway the plan is

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to use some custom hanger plates that we also 3D printed to hold it up to the

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ceiling then we're going to use some of the super strong magnets that are going

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to be part of our upcoming Cable Management arches and for the walls

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we're basically just going to put down the duvetine stick these magnets to our

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oversized washers and Bob's your uncle but first we need to do some prep most

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of the installation we're using is pretty good about not shedding but we're

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definitely going to want to cover up some of the non-essential equipment that's not running in the rack so it

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doesn't get so dusty garbage big

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and some tape foreign

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go down the side of that piece now oh

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you're already on it look at you go don't worry about it it's sealing to the

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wall worry about the face yeah now between each panel you can see Jamie is

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using some goop this is called acoustic seal it's kind of like a butyl rubber

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that doesn't really ever dry it sucks it sucks and you can see he's wearing

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gloves it's because it's incredibly messy if you get this on your hands like

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that's the the cheese pull you don't want sonapan recommends using this to

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improve the effectiveness by filling all of the gaps between the sheets but we

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don't technically have to use it it's just that we're going through all this effort already so adding 30 seconds to

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goop well 30 seconds of Jamie was a little faster but 30 seconds to goop uh

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it's worth it I do really like screwing

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it's a very important art form the Sona pan doesn't shed much when it's

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just sitting there but when you're bringing it into the room and like cutting holes and trying to tuck it into

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tight spots it starts to shed a lot so

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the air in here was getting kind of crusty and we devised taking this

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furnace filter and putting it on the back of this box fan to try to pick up a

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bunch of the the dust I guess and it's starting to go green can you see

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oh that's a lot of product the only

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redeeming quality about using this stuff is it doesn't really dry so if you put

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this up here and we put this sheet on in like an hour it's still going to be

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pretty much just as Supple as it is right now while the other guys are

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working on finishing up the Sona pan I'm installing a door seal on this door but

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the real secret is this drop seal it mounts on the door itself and when you

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shut the door this little pin pushes in

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there's the seal down when you open the door it goes back in

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this is really starting to feel like when you're drilling into a wall and

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it's not going anywhere and then you find out you've been drilling into a

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water pipe yeah

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the maximum Gap this seal can cover is just over 20 millimeters and I just

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measured the bottom of this door is about 13 or 14 millimeters Gap so we

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have a bunch of extra playroom that means I can mount this just flush with

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the bottom of the door thank you

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I've set that where I think it needs to go so when we shut the door it pushes

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that pin in which pushes the seal down so in theory

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cool well it sounds like a BMW nothing

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it's a metal door so we have to use self-tappers like this that drill into the door and it's a little more time

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consuming but

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it looks like a room out of a horror movie right like some bad stuff is

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happening in here yeah the results though and

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oh my God it's so much quieter it's still mostly through the door so I think

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what I should do is put another layer of the green stuff and then with the rock

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wall I think it'll be pretty good well the DBC number hasn't changed because

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we're still dominated by the 120 hertz sound from the Transformer you heard it

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here first I'm dominated but the DBA number has gone down from 54 DBA to 49

00:10:43.920 --> 00:10:48.899
DBA and this is what it looks like so

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pretty similar to Jake's desk we do have a solution for the Transformer that we're going to buy these rubber

00:10:51.060 --> 00:10:56.279
isolating pucks and put them underneath because they're hard mounted it's a

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resonance thing you can tell just from the sound of it yeah there's like

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concrete and it's just bolted to it it's like giant concrete speaker Linus was

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hyping up this bandsaw but Alex said it's really easy to cut it like this so

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let's see wow that cut through it like it wasn't even there

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as much as having a window to the outside in your server room is kind of

00:11:14.880 --> 00:11:21.600
awesome it's not very good for sound and not very good for security Now to fix

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that there is a big set of metal bars that go in front of here but we also

00:11:23.339 --> 00:11:27.839
want to sound isolate this a little bit because this reverberates back really

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hard what we're going to do is stuff rock wall behind the bars and then put

00:11:30.120 --> 00:11:36.060
the bars in place I put Rockwall on the bottom the top piece of the window I was

00:11:34.620 --> 00:11:40.040
thinking I'd just leave open because having a little bit of light is

00:11:37.620 --> 00:11:40.040
kind of nice

00:11:41.160 --> 00:11:47.760
hey watch it all right should we put duvetine behind the bar

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can you measure the height and add three inches on either side

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there you go cameraman

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oh

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thin dues

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I love just like every time I see Dan I'm like what is wrong with him but like

00:12:07.260 --> 00:12:16.320
in the best way oh this stuff Cuts wonderfully

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wow it's like paper

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so many amazing materials we're using

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in retrospect probably should have cleaned the Windows before we put the bar back on well you know I don't want

00:12:27.720 --> 00:12:32.579
it to look like but this is all stuff that I put on

00:12:30.899 --> 00:12:37.620
there myself so I'm just having fun being a glorified garbage can

00:12:35.820 --> 00:12:40.980
yeah look at how much better the window looks we've pretty much finished every

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last piece of soda pan there's a couple around the HVAC unit but it might need

00:12:43.139 --> 00:12:49.200
to get service so we're leaving those for now and it's finally time for rock wall we're trying to plan out the best

00:12:47.700 --> 00:12:52.800
way to do it and because the rock wall is roughly four feet by two feet and

00:12:51.180 --> 00:12:57.540
these sheets are roughly four feet wide we're thinking we can place them

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vertically here and vertically here and then on the top we twist them sideways

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and that should fill most of the gap

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15 minutes and we've already got that whole back wall done and this wall

00:13:12.959 --> 00:13:20.279
almost done this is way faster than hanging up the green

00:13:17.579 --> 00:13:26.220
stuff and to be honest these little hangers are working

00:13:22.100 --> 00:13:28.200
beautifully I'm actually stoked every

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part of this project so far has gone pretty close to Mint aside from a little

00:13:30.480 --> 00:13:37.260
bit of a mess up there but that's fine it looks good now though right I like the natural light so yeah I cut it

00:13:34.380 --> 00:13:40.740
perfectly right amazing see like didn't even screw up at all I didn't actually I

00:13:39.300 --> 00:13:51.070
left extra so it would butt up with this nicely

00:13:52.339 --> 00:13:59.100
these are the worst scissors ever

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oh look at that man most of the hair

00:13:59.100 --> 00:14:05.820
that I cut off has nothing in it I mean you can't look any worse than you do if

00:14:03.660 --> 00:14:11.040
this piece feels funny okay that one's good oh there's a lot in

00:14:08.040 --> 00:14:12.180
that one yeah The Rock bowl is basically

00:14:11.040 --> 00:14:18.240
done finally oh my gosh this is like almost

00:14:15.420 --> 00:14:23.279
the end of day two at let's put some duveteen on time we 3D printed some

00:14:20.519 --> 00:14:26.220
little washer plate things Alex has got one in his mouth right there to hold the

00:14:24.839 --> 00:14:29.519
duveteen on a little bit those are going to go into the ceiling and then it

00:14:27.899 --> 00:14:32.820
should just hang down we'll put the magnets on and tuck it in the bottom all

00:14:31.440 --> 00:14:36.660
right I guess it's time to go get Sam and measure how much of a difference

00:14:34.440 --> 00:14:42.360
this rockwool makes it's wild because no matter how many times I experience this

00:14:38.779 --> 00:14:45.180
it never fails to weird me out as soon

00:14:42.360 --> 00:14:49.800
as you put this less dense absorbing material on the wall

00:14:47.220 --> 00:14:53.880
it's like you can only hear the server coming from that side and then this side

00:14:51.360 --> 00:14:57.300
is just quiet and it is the rack itself is way quieter like the sound level in

00:14:55.680 --> 00:15:00.959
here is like feels like half of what it was before anyway let's fire it up so

00:14:59.160 --> 00:15:05.160
that all the exact same servers are running is when we tested before and

00:15:03.060 --> 00:15:09.899
let's get our after measurement I haven't told Jake but now what we got to

00:15:07.740 --> 00:15:17.279
do is treat the whole studio like this right

00:15:12.600 --> 00:15:19.199
that's still very impressive I mean I

00:15:17.279 --> 00:15:23.399
already know the answer because I can hear it with my ears but please do

00:15:21.300 --> 00:15:27.860
quantify I haven't measured it yet so we're going to find out together let's

00:15:24.660 --> 00:15:27.860
let's be quiet! for like a few seconds

00:15:27.899 --> 00:15:33.360
I've been really funny to slap them in the nuts

00:15:31.079 --> 00:15:41.220
all right well the first number we had was 53.8 DBA the second number was 49.1

00:15:37.860 --> 00:15:43.019
DBA the last number is 47.3 DBA so

00:15:41.220 --> 00:15:46.260
actually the wine the wine is pretty much did get rid of the wine because

00:15:44.339 --> 00:15:51.920
because curve going

00:15:48.720 --> 00:15:51.920
that was annoying and

00:15:52.500 --> 00:16:00.240
five to almost 45 yeah and you said 10 decibels is roughly half perceptually

00:15:57.000 --> 00:16:02.279
it's half as loud yeah yeah so this this

00:16:00.240 --> 00:16:07.680
looks like a pretty subtle change but because it's right in that

00:16:04.459 --> 00:16:09.959
annoying it is

00:16:07.680 --> 00:16:15.300
it's a huge difference and it affects the office side of things too

00:16:12.720 --> 00:16:18.839
that's a lot better to be clear this door is not really treated yet yeah it's

00:16:17.220 --> 00:16:22.860
going to be even better it doesn't have a proper seal on it it doesn't even have

00:16:20.519 --> 00:16:27.360
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that I did this by myself with worse tools worse materials and in a more

00:17:26.400 --> 00:17:33.240
cramped space it was truly one of the most awful working experiences I've ever

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had this was not that bad my arms are a little itchy you want some nah thanks