风摩全球的杜比定向逻辑环绕声以其宏大的声场和逼真的空间感而使听众为之倾倒,而杜比数字AC-3更令AV发烧友们神往。由于上述系统需要配置5-6只音箱和多声道功放,花费较大,而且对听音环境、音箱摆位也有一定的要求,对于经济不丰的二般百姓,难以适应。针对这些问题音响界又推出 Wind world around the world Dolby Pro Logic surround sound with its grand sound field and realistic sense of space and make the audience dump it, and Dolby Digital AC-3 even make AV enthusiasts fascinated. As the system needs to configure 5-6 speakers and multi-channel amplifier, costly, but also for the listening environment, speakers have certain requirements, for the economy of ordinary people, it is difficult to adapt. Audio industry has launched for these issues