虚拟演播室技术及制作流程综述

虚拟演播室技术的产生，解决了传统演播室节目制作中存在的问题和局限，它具有置景费用低、更换布景方便、便于发挥主创人员创意的特点，特别适合中小型的播报类和访谈类节目。本文介绍了虚拟演播室系统的构成及摄象机跟踪、虚拟场景设计与生成、蓝箱、灯光布光等关键技术；以《民营之道》节目为例，简单介绍虚拟演播室的制作流程；并对虚拟演播室技术的发展进行了展望。

Summery of Technology and Making Process in Virtual Studio

The implementation of virtual studio technology has solved the existing problems and restrictions of traditional studio programming.It costs of scene setting is low and it is convenient to change the scene,easy to represent the innovative ideas of main producers,especially suitable for small or middle broadcasting-and talk show programs.This article introduces the key technologies such as: the composition of virtual studio system,the photography of cameras,design of virtual scene,blue case,lighting arrangement etc.and takes the <> as an example to illustrate the making process of virtual studio,and prospects the development of virtual studio technology.