Contributor members participate in the development of the specification, have voting rights and are encouraged to participate in the various work groups and committees. "We are very pleased to join MoCA and are looking forward to working with the alliance to promote high-definition (HD) and high-fidelity media streaming on multiple screens throughout the home," said Rob Tobias, director of product marketing at Silicon Image, Inc. "MoCA is very complementary to Silicon Image's recently introduced LiquidHD suite of protocols as it supports whole home entertainment networking."