Sigma Designs is an American public corporation that designs and builds high-performance system-on-a-chip semiconductor technologies for Internet-based set-top boxes, DVD players/recorders, high-definition televisions, media processors, digital media adapters, portable media players and home connectivity products. In addition to platform processing and home network hardware, Sigma Designs also offers engineering support services and customized integrated circuit development. The company develops products for the following connected media platforms: IPTV (video over IP) set-top boxes, TV media players (such as Blu-ray), HDTVs, multimedia players, digital media adapters, portable media players, and home networking products, such as HomePlug AV, HomePNA and G.hn. Sigma Designs owns the intellectual property and is one of two chip makers for the Z-Wave home control technology. Sigma has alliances with other technology companies, including Microsoft, and their products are found in stand-alone full HD multimedia players. Sigma Designs was founded in 1982 and is based in Fremont, California, with locations in Canada, Denmark, France, Israel, Japan, Netherlands and Singapore. In September 2002, Sigma Designs and Thirdspace, the broadband TV enablement company, announced that they were combining technologies to improve the quality of streaming video solutions over broadband Internet Protocol (IP) networks.