Lecture Capture: Lights! Camera! Action! — from CampusTechnology.com by John Waters

A solid article that includes the following list of lecture capture vendors (along with this excerpt):
Lecture capture isn’t a new concept. College and university professors have been videotaping their courses for about 25 years. But in the past 10 years–thanks to the advent of warp-speed processors, broadband connectivity, and cloud-based data storage–the technology for recording and publishing class lectures has evolved dramatically.  The current lineup of lecture capture solutions includes products that rely on proprietary hardware, specialized software platforms, web-based systems, and combinations of all three. Profiled below are a few of the principal vendors.