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DVD机与VCD机、超级VCD机相比较,不仅在画质上有了飞跃,而且在音质方面也有提高,具体来说有两个方面的变化。从立体声格式发展到5.1声道格式。普通CD、VCD、超级VCD碟片上记录的声音信号为立体声PCM编码信号,而DVD因为记录容量大大提高,所以不仅记录立体声PCM编码信号,还可以记录经过杜比数字(简称AC-3)或数字家庭影院系统(简称DTS)编码的5.1声道(即前置左、右声道,环绕左、右声道,
DVD player and VCD machines, super VCD machine compared to not only have a leap in quality, but also in terms of sound quality has also been improved, specifically, there are two changes. From stereophonic format to 5.1 channel format. Audio signals recorded on ordinary CDs, VCDs, and super VCD discs are stereo PCM encoded signals, and since DVDs greatly increase the recording capacity, they not only record stereo PCM encoded signals but also record data passing Dolby Digital (AC-3) or Digital 5.1 Home Theater System (DTS) encoded 5.1 channel (front left, right channel, surround left and right channels,