Sigma Designs Manufactures chips used in various audio visual equipment. Many of these chips work with broadcasting and filtration technologies in some of the hottest Blue-Ray players. Brands include Sony, Samsung, Motorola, Pioneer and Dune. Many of the network-enabled devices it creates tout Windows 7 compatibility. Visit <a href="http://www.sigmadesigns.com">its </a><a href="http://www.sigmadesigns.com">website</a> to see its products.