Dolby Sound Room: This is targeted at entry level users and supports 2-channel 5.1 audio using only 2 speakers.

杜比声室：这是针对入门级用户，并支持2声道音频5.1使用只有2扬声器。

youdao

I could hear the sound of clapping from the other room.

我听得见另一个房间里的鼓掌声。

《牛津词典》

Reverberation is the persistence of sound in a room after the source has stopped making sound.

回声现象就是在房间中，声源停止发声后，声音仍然持续的现象。

youdao

The room made the sound a room makes when attempting not to laugh.

NEWYORKER: Al Roosten

Other must-have features in singleton spaces: a large steam shower, a media room with a big-screen television, and sound speakers in every room "even in obscure places, like the broom closet, " says designer Lori Dennis, who has worked on several places for singles in Los Angeles and Lake Tahoe in recent years.

WSJ: Looking Out for No. 1 - WSJ Mansion

Bring high fidelity sound to any room at home with the extensive range of Fidelio Wireless Hi-Fi.

ENGADGET: Philips showcases its 2013 Fidelio audio lineup at CES, we go eyes-on