[Fig.] Detailed explanation of "Dolby" certification on laptops

Dolby Laboratories is well-known for its powerful surround sound technology in the film field. In 1977, George Lucas's first "Star Wars" used 5.1 surround sound, shocking the whole world. But now Dolby Laboratories is gradually bringing this entertainment experience into laptops, mobile phones, and HD broadcast television. You can hear surround sound whether you're at home or on the move.