强大的视频 桌面录制软件 Screenium目前支持即时切换多个摄像头，连接USB和FireWire ，并完全支持内部iSights以及所有QuickTime兼容的外部摄像头。捕捉屏幕上的一切图片，制作自己的声音电影

 

Screenium - Make live movies of your Mac's screen, capture everything happening on your Desktop, in application programs, including mouse pointer, selections and movements - in real-time! Screenium even grabs live content streamed over the Internet. You can actually capture movie-in-movie: Screenium records your screen just like it is - including ongoing video playback in multiple windows.