Dolby TrueHD is the high definition audio version of Dolby Digital. It is a completely lossless audio signal, so has not been compressed in anyway in order to fit it on a Blu-ray disc. This has only been possible since the introduction of the new Blu-ray and HD-DVD formats. The advantages are that that you will be getting the audio signal exactly as the film studio intended.
Surround Sound
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What is Dolby TrueHD?
August 3rd, 2008
What is DTS-HD Master Audio?
August 2nd, 2008
Put simply, DTS-HD Master Audio (also known as DTS-Master) is the high definition audio version of DTS. It is a completely lossless audio signal, so has not been compressed in anyway in order to fit it on a Blu-ray disc. This has only been possible since the introduction of the new Blu-ray and HD-DVD formats. The advantages are that that you will be getting the audio signal exactly as the film studio intended.