For example, you may want to stream video on the web with two-channel stereo and release it on DVD with 5.1 surround.

许多后制工作必须同时发行立体声及环绕声两种版本。例如，也许您要在网路上以双声道立体声播放串流视讯，并以5.1声场环绕声发行dvd。

youdao

A conventional two channel stereo audio signal may be reproduced by the sum and difference system.

常规的两声道立体声音频信号可由和差系统再现。

youdao

For example, the virtual mode is ideal for enhancing traditional two-channel stereo sources such as a CD by creating rear ambience.

ENGADGET: Harman Kardon SB 30 has two listening modes, costs eight Benjamins