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This is meant to be the home theater room of the tech house.

A house designed from the bones up with a certain techy inhabitant in mind.

We know it's gonna have a big screen with big sound from all around,

but exactly how big is the screen and where actually are we putting the speakers?

And I come to think of it that kind of depends on where we put the couch.

What the heck?

Before we spend a bunch of money though, we need a plan.

So I brought you these.

Lockups!

Love this.

We are going to simulate different screen sizes, viewing distances, and speaker locations to lock in a plan before we pull out the credit card.

But not before the segue to our sponsor.

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The first thing we need to figure out is the orientation of this whole setup.

And I gotta admit man, I thought it was a no-brainer this whole time that it was gonna go this way But now that I'm in here, it's way more square than I thought.

It really is, but the one thing we can be sure about, the couch doesn't go here.

The great thing about this orientation is that it's not the other orientation, which would actually put the TV in front of that window.

Which even just talking around the office has been really contentious.

Nobody wants to block a window.

Yeah, and honestly, there's a lot more room this way than I thought there was.

But we have to contend with light behind us which is a major problem for reflections.

You're cursed either way either you put the TV on this side

and the windows are behind it That looks weird

or you mean at least with this you could like use that light to read or something

And we can get blinds or blackout curtains or something.

Easy, but there's another issue that they give us

which is you want to be centered like we are now with them And if you do that, there's kind of a useless amount of room over there.

Okay, what if

Put like a table or something over there for the games

or something or you have like a little wet bar in the closet here maybe or...

I don't know.

I was into this orientation when I thought

that it would only be like three feet from the wall and we could build a bench in there.

That would be cool, but now it's like you could break dance over there.

It feels a bit weird.

And also if we add more chairs outside, the viewing angle is going to be crap.

Oh yeah, the farther sideways you are, you're already 30 degrees off axis just being on the couch.

Yeah.

And I am concerned about how big of a TV we can even put here.

So I don't know about the aspect ratio, but this is something like over 80 inches, not counting that flap on the end.

Honestly, it seems a little bit small to me.

We could go bigger than this.

Really?

Okay.

That kind of changes things.

My main concern with this orientation would be that we can only really fit a 65 or 77 inch TV, Which is a big TV,

but is it home theater big?

I have some trauma here One time a neighborhood kid came over to my house

and was like I heard you have a home theater

And then she got in there

and she was like that's just a TV I don't want the future owner of this house to go through that goddammit.

Okay.

Yeah Yeah, we do have to consider there'll be like a TV console underneath it There's a good amount of space behind it, which is a blessing and a curse It could look weird

if there's too much

But it is nice to be able to go back there actually work with your wires and stuff like that

This way you see the back of the couch

when you walk in which I don't love and also

if you're taller than me You're probably gonna hit your head on this.

This is gonna be even lower when it has drywall and stuff

It's kind of a nice view without the TV there at all actually How does that feel?

Does it feel bigger yet?

Not really Size wise it feels pretty samey to me, but we could get more people in here on like beanbags or bar stools behind the couch

So if we're gonna entertain that's kind of a big factor

But we would have to be a little more creative with how we mount the TV

right because those really big ones

and I think we can get a bigger one on this

wall with those really big ones I think some of them have to be wall mounted

and there's we're like we're gonna have to we're gonna have

to like build something picture me as a stud you know

what man let's just make the call we're all feeling it let's set up the other way

and do the screen size testing over there okay okay the

weight of this decision what will Linus think what is this Linus isn't here.

Okay, so you put your end there and I'll just put like that there.

We've got our Walmart sheet hung up here and we've got it positioned so that 48 inches

digitally is the same as 48 inches physically.

So let's try a couple different screen sizes.

50 inches basically looks like I'm holding up my phone at arm's length right now.

Pretty much, yeah.

I'll feel a little bigger.

65 is not a home theater.

Nope.

Keep going bro.

Okay, even at 80 or 85, it doesn't seem that big.

It's not big.

How far away are we from this thing?

This has got to be like 12 feet or something.

12 feet?

What?

Well, my head is more like...

Yeah.

More like 11 to the head.

I only have a 65 at home from 9 feet away, but it somehow looks bigger than this right now.

Now we're bigger than our sheet.

Yeah.

100

But honestly, it looks like if you could do it, you could go bigger than 110.

101

If a 120 shows up at our warehouse somehow...

102

We wouldn't be upset about it.

103

We wouldn't be upset about it.

104

I think we can safely design the room around 100 to 110 inches.

105

Okay, now projector or TV though.

106

Ugh.

107

Well, as you can see, we already had to block out...

108

The windows just to be able to do this experiment, so there's some drawbacks with Projectors.

109

I'm breaking my cardboard couch Especially in this layout Projector placement is just about impossible Oh,

110

yeah, because projectors typically need a long throw unless you buy a short throw projector

111

But you don't have the height like it would be right here.

112

That's gonna be hot and noisy so I'm blocking the third person

113

I think projectors are pretty much a right off here

114

and that's not really a sad thing given how the price of these large format TVs has really come down

115

and picture quality tends to be better on TVs anyway.

116

Can we get a TV up the stairs here though?

117

This is pretty much it.

118

If you can slide the box through here into this room, pivot and go up the stairs, you can make it.

119

But what about sitting off axis like if we do put a bench here?

120

It's gonna depend on the technology, but This is fairly extreme.

121

It's like a 45 degree angle

122

Wouldn't be a problem for an OLED TV or a lot of the new mini LEDs

123

So but honestly you don't want to watch a movie here anyway

124

We can do like beanbags or pillows on the floor or something.

125

This spot is more just so you can chill Have an eye line.

126

Yeah more hang out.

127

You could game from here

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Especially if you're like a four player quad screen kind of thing

129

and you have a little bottom corner screen But you're not gonna want to hang out in this spot.

130

The main spots are gonna be here.

131

Maybe a chair over here It wouldn't be where I would choose to sit

132

if I'm alone

133

But you could watch a movie from here in a chair

134

The thing you remember with the exercise we're doing here is

135

that we're not picking the ideal viewing distance for ourselves And this is subjective thing,

136

but we're picking this for the eventual owner of the tech house their partner their kids and If we're being honest Linus,

137

so how can we be sure we're picking a screen size or a viewing distance that other people will like?

138

Well, there's actually standards around this.

139

We also did a previous video around this, but basically THX, somewhat of movie buffs,

140

they think that around 40 degrees is the optimal field of view fillage of a cinema display.

141

Maybe as low as 36 or even in a pinch 26 degrees.

142

When we tested this before, most people did prefer between 35 degrees, 40 degrees, and maybe even 45 if they were gaming,

143

where they preferred it a little more immersion.

144

One neat trick you can do to figure out how much

145

of your field of view is filled by display is you put your fist out in front

146

and then count how many fists wide it is.

147

I'm counting right now about, I don't know, 43 or 45 degrees field of view from this 98 inch TV simulation.

148

Jordan has typed in the actual numbers to a website built for this

149

and he's gonna tell us whether or not that fist trick was accurate.

150

Pretty close actually.

151

So we're 98 inches of screen.

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I'm 11 feet away to my head.

153

We're aiming for 40 degrees roughly.

154

We're at 35.9.

155

This is safe and a lot of people will like this field of view.

156

We could go a little bigger, maybe 110 inch and we'd still be in a safe zone or even a preferred zone for some people.

157

110 is actually perfect.

158

40 degrees.

159

I have a feeling we're gonna get 110.

160

Now let's switch gears to audio.

161

Where are we gonna put all the speakers?

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The drawback of getting such a big TV in a room with angled ceiling like this

163

is that you're getting a lot of distance here, which is gonna be a blessing when you have to mess with stuff, but it could look visually weird.

164

However, all that is an advantage when it comes to placing the front speakers

165

because you don't really want your speakers to be very close to a wall.

166

You want them to be out in the room, and that often looks really weird.

167

But here, it'll just be in line with this TV.

168

You have all this space.

169

We can even put an acoustic panel here to suck up a lot of the energy

170

that gets put out this direction from the diaphragm.

171

And it won't look weird at all.

172

How sick are these, eh?

173

The most important speaker for movies is the center channel, because that's where most of the dialogue comes from.

174

And this is an area where a projector is actually a bit better, because if you have an acoustically transparent screen, you can actually position the center channel right around the mouths of the actors,

175

so the sound is coming from where you see it.

176

We're going to have a TV in here, so it's going to have to be a bit lower.

177

And we're gonna have to buy a console

178

that has a cutout for it to go in

179

or wall mount the TV and then just have it on its own little shelf or stand or floating or something, right?

180

Floating.

181

I got you.

182

Oh.

183

Oh.

184

Oh, God.

185

There you go.

186

The surround speakers are always placed either directly in line with your ear or slightly behind, which is not going to be a problem here.

187

Now originally when we were thinking about having the theater go this way, we were thinking we should have in-wall surrounds

188

So that we are not eating up any actual walkway more than we need to because I'm a guy who has

189

Surrounds on the wall like that

190

and I'm always worried about hitting them with my shoulder But now that we're using this orientation

191

It'll be no problem to just put these on the wall right here

192

Or even angled a bit

193

or even on this side We could have one here although

194

not having them completely symmetrical since the other one will be over here, bothers me a little bit.

195

So we'll probably tack these on something like this.

196

That's our five speakers, but the 0.1 and 5.1 is a subwoofer.

197

For that, we actually want to do something called an infinite baffle, which is, it's going to be a future video that's its own DIY project where we buy a driver

198

that does not have a big speaker cabinet behind it.

199

And what we're going to do is put it in the wall using this soffit cavity.

200

So for example, it could be mounted in here,

201

and then we'll make a box cabinet in that cavity for the subwoofer itself, which is pretty sweet.

202

And if we had just one sub, we would probably position it here, but what about second sub?

203

Placing multiple subs can be a little finicky and use some trial and error that we're not gonna do in this video, but just at a high level, it's likely that the best place for your second sub

204

is opposite in the room from the first one because you don't want destructive interference from the two hitting each other.

205

Now why even have a second, third, or even fourth sub?

206

Most people intuit that that's because you want more bass, more loud.

207

But it's actually not that.

208

It's that you want more even bass across all the listening positions.

209

I don't think we're gonna go four subs in here.

210

That's a little hardcore for Gi, I think.

211

But we probably do want to do two, and my hunch is we'll do one over there, maybe one back here or over here or something.

212

But we do need to keep in mind we did have

213

a second idea for this soffit cavity space We're thinking maybe making some drawers

214

that pull out that can store extra blankets pillows beanbag chairs or something and Then tuck them away.

215

No mess no clutter one drawer over here and one drawer over there

216

Maybe we could even have one boxed-out cabinet for both the drawer and the subwoofer with a shared wall

217

Ideas So that's 5.2, but there is another decimal place these days.

218

We're probably gonna go for a 5.2.4 setup, and the 4 would be 4 height channels.

219

You can do 6 heights and get a real complete sweep of, like, something's in front of you, then it's over you, then it's behind you, but that's overkill, especially in a small space like this.

220

All we're really looking for is something's in front of me, and there's a sense of motion going behind me.

221

So the first ones would go up here, maybe three-quarters of the way between the seat and the TV.

222

But the second ones are a little more challenging now that we've gone with this layout.

223

If I want to hear a helicopter fly overhead and then go into the distance behind me, that second height speaker should be kind of behind me.

224

But because of the angle of this roof, that kind of puts it right there.

225

Which might be acceptable if we turn the volume on it way down.

226

It's either that or maybe it goes just kind of...

227

No, that's in front of me still.

228

It would have to just be directly overhead or slightly back.

229

And you've got to keep in mind most people are kind of leaning back.

230

So, lower down might be better.

231

I don't like it.

232

Do you have to have four?

233

You don't have to.

234

You could do two.

235

It's just that then you're only going to get any movement like left to right stereo.

236

And you wouldn't get any of this kind of dimension front to back.

237

Although you might get some...

238

Surrounds might cover that a little bit.

239

Surrounds might cover that depending on how it is mixed.

240

Maybe there then?

241

I think that's the spot.

242

That's the front back dimension, but there's also the left right dimension to think about where we are actually a bit constrained here

243

because of this HVAC unit that's right there.

244

However, if we go to the inside of that,

245

I think we will still be sufficiently wide to get a stereo effect which puts us right about here.

246

Of course all of these speakers need to be wired and while we have the studs exposed, it's a great time to route that out.

247

I would actually, even though that's pretty close to the ground, it might be better for us to route it up and over into the rafters

248

and then down behind the TV where our AVR is going to be.

249

Ha!

250

Oh, damn it.

251

That's all the speakers we're going to have in this room, but if you're wondering what those other speakers in the Dolby diagram are, the ones in the back are called surround backs,

252

and a lot of people skip those because you're just not very good at hearing sounds directly behind you.

253

And these ones at the front are called front wides.

254

Those can be very cool and they kind of made a bit of a resurgence in the past couple years, but they only really move the needle if you've got a really large space.

255

And that would just be silly in here.

256

In fact, they'd block the door.

257

I stab my own finger.

258

Here we go.

259

There we go.

260

So what are we actually buying?

261

That is a question for another video.

262

Alright.

263

But now we know what we can buy, and all the stuff we do buy, you can actually view in our companion site

264

that has this cool render of the whole tech house and all the stuff in it.

265

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like chair or a cocktail bar.

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That's where you put the treadmill you never use.

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There it is.

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このレッスンの語彙とスピーキングのポイント

このB2レベルのスピーキングレッスンは、動画「I Built a Fake Home Theater…」を教材にしています。この動画には、シャドーイング用の文が284文、単語が3342語あります。音声の長さは17:08です。話す速さは速く、1分あたり約195語です。音のつながりや弱く発音される音が多くなります。単語の86%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。

この動画の重要語彙

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語	発音	意味
projector 名詞	/pɹəˈd͡ʒɛktə/	プロジェクター, 映写機
surround 動詞	/səˈɹaʊnd/	囲む, 取り巻く
orientation 名詞	/ˌɔː.ɹi.ənˈteɪ.ʃən/	方位
couch 名詞	/ˈkaʊ̯t͡ʃ/	カウチ, ソファー
drawer 名詞	/dɹɔɹ/	引き出し, 引出し
beanbag 名詞	/ˈbiːnbæɡ/	ビーンバッグ
subwoofer 名詞	/ˈsʌbˌwʊf.ə/	サブウーファー
cavity 名詞	/ˈkæv.ɪt.i/	腔
fist 名詞	/fɪst/	拳
dimension 名詞	/daɪˈmɛn.ʃən/	面積, 寸法
drawback 名詞	/ˈdɹɔˌbæk/	欠点
overhead 名詞	/ˈəʊvəˌhɛd/	オーバーヘッド, 間接費
float 動詞	/fləʊt/	浮かぶ, 浮く
pillow 名詞	/ˈpɪl.oʊ/ [ˈpʰɪɫ.ö̞]	枕
axis 名詞	/ˈæksɪs/	軸

動画に出てくる句動詞

単語	意味
go up 動詞	上がる, 登る
check out 動詞	試験する, 検査する
come down 動詞	降りる
eat up 動詞	平らげる
go back 動詞	戻る, 帰る

繰り返し練習したい文

動画に出てくる短く完結した文です。日常会話でそのまま使えます。

I'll feel a little bigger.
How far away are we from this thing?
We wouldn't be upset about it.
Where are we gonna put all the speakers?
Do you have to have four?

この動画の文法

話し手がよく使っている文型を、動画の実際の表現とともに紹介します。

文型	動画での表現
受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる	is meant · be centered · is filled
現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している	has been · has really come · has typed
関係詞節 who / which + 節 — 人や物について情報を加える	here, which is · behind, which is · guy who has

注意したい発音

話し手はwe're, gonna, don'tなど、短縮形や弱形を105回使っています。聞こえたとおりの短い形で発音しましょう。

「sh」と「zh」の音: orientation /ˌɔː.ɹi.ənˈteɪ.ʃən/, dimension /daɪˈmɛn.ʃən/, contentious /kənˈtɛn.ʃəs/, immersion /ɪˈmɝʒən/, sufficiently /səˈfɪʃəntli/
長い単語（アクセントの位置に注意）: orientation /ˌɔː.ɹi.ənˈteɪ.ʃən/, digitally /ˈdɪd͡ʒɪtəli/, inhabitant /ɪnˈhæb.ɪ.tənt/, symmetrical /səˈmɛtrək(ə)l/, visually /ˈvɪzju.əli/

日本語話者が苦手な音：

/r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: drywall /ˈdraɪˌwɔl/, symmetrical /səˈmɛtrək(ə)l/, treadmill /ˈtɹɛd.mɪl/, helicopter /ˈheliːˌkɔptə(ɹ)/, reflection /ɹɪˈflɛkʃən/
/v/ — /b/ にならないように、上の歯を下唇に当てる: cavity /ˈkæv.ɪt.i/, overhead /ˈəʊvəˌhɛd/, overkill /ˈoʊ.vɚˌkɪl/, visually /ˈvɪzju.əli/, eventual /ɪˈvɛn.t͡ʃu.əl/
/f/ — 「フ」ではなく、上の歯と下唇で出す: subwoofer /ˈsʌbˌwʊf.ə/, fist /fɪst/, soffit /ˈsɒf.ɪt/, float /fləʊt/, baffle /ˈbæf(ə)l/

この動画での練習方法

まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
まず0.75倍速で一文ずつシャドーイングし、慣れてきたら通常の速度に戻します。
自分の声を録音して元の音声と比べます。projector, surround, orientationなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →

シャドーイング練習: I Built a Fake Home Theater… - 動画で英語スピーキングを学ぶ

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このレッスンの語彙とスピーキングのポイント

この動画の重要語彙

動画に出てくる句動詞

繰り返し練習したい文

この動画の文法

注意したい発音

この動画での練習方法

シャドーイングとは？英語上達に効果的な理由