AC-3 system with Dolby Pro Logic compatible surround sound system, the effect more excellent than THX, the future of home theater is Dolby AC-3 system for the mainstream.

• AC-3系统可与杜比定向逻辑环绕声系统相兼容，其效果比THX更加优越，未来的家庭影院应该是杜比AC-3为主流的系统。