然后介绍了虚拟演播室技术的实现过程，并介绍了该技术在教育电视节目制作中的运用。

Then it provided ways to make virtual studio technology into realization. The paper also discussed its application in educational TV program prod…

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虚拟演播室技术是利用计算机虚拟生成演播室内的道具和布景并将其与摄像机输出的前景信号合成。

The Virtual studio System technique can make use of computer creating dummy properties and scenes and it compose those stuffs and foreground signals come from camera in studios.

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文章介绍了虚拟演播室技术，并就构建虚拟演播室系统所涉及的相关知识及问题作了简要的分析和说明。

The paper introduces the technology of virtual studio and analyzes and explains some corresponding knowledge and problems in building the studio system.

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