音频与文本同步是设计开发数字语音教室的一个关键问题。
The synchronization of audio and text is a major issues in designing digital classroom for language learning.
目前，多媒体网络教学系统(如语音教室)的一般做法是，采用一台计算机服务器和数台特制数字终端构成一个多媒体教学网络。
At present, the general method of composing a multimedia network teaching system, such as a voice classroom, is formed by a computer and several digital terminals which were specially made.
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