Microsoft Expression Encoder

A beta of version 2.0 was released in March 2008 which included new VC-1 codecs (Advanced, Main, and Simple profiles) and better Silverlight support.

[9] Expression Encoder 3 added multi-channel audio output, more built-in device profiles, like support for Zune HD, Xbox 360 and iPod Touch, as well as profiles for online services such as Facebook and YouTube.

Version 4 added IIS live smooth streaming, screen capture improvements and an H.264 encoder based on the MainConcept SDK.

[10] Expression Encoder 4.0 SP1 was released in January 2011 and added CUDA-enabled GPU-assisted encoding, HE-AAC, screen captures as a live source, live broadcasting templates, Selective Blend de-interlacing and other features.

[11] Service Pack 2 (SP2) with about 300 bugs fixes was released on November 2, 2011, and added new features such GPU-accelerated video encoding and the removal of 10 minutes screen recording limit.