From the article they seem to be based on cable style technologies.<p>There's a company called playcast media who's active in trying to get video games to legacy cable set-top-boxes over video.  My guess would be them or something like them.<p>Article here
<a href="http://www.itvt.com/interview/6329/itv-doctor-deploying-console-games-legacy-set-top-boxes" rel="nofollow">http://www.itvt.com/interview/6329/itv-doctor-deploying-cons...</a><p>Also I'm very bullish on this but there are likely more issues with bandwidth around this then just the video streaming.  Upstream over Aloha (which is what most Motorola based systems use for a backchannel) is nasty. Not to mention having to dedicate a stream per-user. Though that can be mitigated with moves to switched digital video.