My bedroom is the equivalent of a soundproof room.

我的卧室相当于一个隔音室。

The decorator soundproofed the windows of my house.

装修工人为我家的窗户装上了隔音材料。

The earmuffs are made of soundproof material.

这种耳罩是用隔音材料制成的。

We will need to use this room for recording, so first we'll need to soundproof it.

我们要用这间房间录音，所以要先做隔音处理。

The studio isn't soundproof.

该录音室不隔音。

This material is soundproof.

这材料是隔音的。

Did you say that booth was soundproof?

你说那录音间是闭音的？

Soundproof glass muffled any noise, however.

隔音玻璃挡住了里边的动静。

Whatever happened to a big, solid, soundproof door?

那些大而结实的隔音门到哪里去了？