The technology has several practical USES currently in play — museums and libraries can keep large Spaces quiet while offering Audio Spotlight systems in specific areas.
Not only did the two small speakers that sit above and below the screen become an instant dust-trap, they were fairly quiet and didn't exactly impress on the audio quality front.
不单单是那两个在屏幕上下的扬声器很快会变成尘土陷阱，它们完全“安静”，同时不能准确地表现音频质量。
3
Don't have quiet sorrow dark hate living, this silent wins audio. With far up, meet why had known each other.