TDK USA is acquiring a controlling interest in Sound Source Interactive. TDK will invest more than $5 million to acquire a 72 percent stake in children's game maker Sound Source Interactive. Sound Source, a developer of family-friendly titles based on largely on film and television licenses, will be renamed TDK Mediactive and will work closely with European TDK division of the same name. The company will remain in its current Calabasas, California, headquarters and will continue under the leadership of Sound Source CEO Vincent Bitetti. Shin Tanabe, currently executive director of TDK Recording Media Europe, will join TDK Mediactive in California as president and COO.