Microsoft Expression Encoder 4

Expression Encoder is an application for bringing your edited video project to the web for high-quality playback in Microsoft Silverlight scenarios.
It is an advanced audio or video-encoding and live-broadcasting application especially suited for generating content that takes full advantage of the rich graphic and interactive capability of Microsoft Silverlight playback scenarios. You can generate Windows Media video and audio files that are optimized for other web playback scenarios, or appropriate for playback on portable devices.