Blu-ray and HD DVD launch, to a certain extent to promote the upgrading of hardware devices, and as a home entertainment sound brand of two giants, Dolby and DTS company's latest audio format also recently formally commercialized, the two major audio formats has been fully applied to high-definition DVD format.
As a result of the 1920 × 1080 resolution of HD video formats, currently available in most video equipment video decoding chip shuffle, but facing sound effects will be difficult to decode the new film set this fate, but uses a new audio format for high-definition discs in a certain sense will enhance the functionality of the AV amplifier. But the future of audio formats and are not a mandatory requirement to be joined to the disc, but can be used by the film company or issuing company to determine if the join.
Sound name Blu-ray HD PLUS optional prerequisites DVDDolby Dolby TrueHD optional prerequisites (2 channel) DTS-HD optional optional
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