但是，虚拟角色的动作和面部表情一旦可以由演员控制，影片在真实性和观众参与方面就可以实现大幅度跃升。

But there is a huge leap in realism and audience engagement when virtual characters' movements and facial expressions can be controlled by actors.

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演员们被安置到虚拟的世界中，道具、服装和布景都是画出来而非制造出来的，这可能会使一些人工作不保，但是莱特瑞认为这更有可能带来劳动力的转移。

As actors are transported into virtual worlds where props, costumes and sets are drawn rather than built, there is the potential for job losses, but Mr Letteri thinks job transfers are more likely.

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使这成为可能的技术就叫做“表演捕捉”，实际上就是用演员的表演来控制虚拟的木偶。

The technology that makes this possible-in effect, using the performance of an actor as a means of operating a virtual puppet-is called "performance capture".

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