Some people can sense the differences between the two sound effects almost instantly, while other people can't even feel the difference between them.
In fact, the answer to this question could vary from person to person. Therefore, here comes the question: Which of these two advanced sound systems is better and can bring us more sound enjoyment? Part 2: What Do You Prefer? TrueHD Or AtmosĪfter reading the introductions above, I believe you have already known that the Dolby True HD and Dolby Atmos are not the same things. If your receiver isn't Atmos compatible, the extension data is ignored and the soundtrack is decoded as regular Dolby TrueHD. That is to say, if you play a disc with an Atmos soundtrack, the Atmos extension data is decoded by an Atmos-compatible receiver. Normally, the Dolby Atmos effect is applied before the Dolby True HD if both of the options are on.
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Here is how these two sound effects work: When the soundtrack is played back in a movie theater or home environment, the audio objects are rendered by an Atmos decoder to the available speaker set, which includes overhead ceiling speakers. But Atmos data on Ultra HD Blu-ray is actually an extension to TrueHD that is folded into the bitstream to maintain backward compatibility.Īs mentioned above, although the names look similar, Dolby Atmos and Dolby TrueHD are actually two separate soundtrack formats. Also, Dolby Atmos and Dolby TrueHD are two separate soundtrack formats. First of all, Dolby TrueHD is a lossless audio codec that supports up to eight audio channels on Blu-ray Disc.ĭolby Atmos soundtracks, on the other hand, consist of up to 128 audio objects that are mixed in a 3D sound field during the production process. If you are wondering whether the Dolby TrueHD and the Dolby Atmos are the same things, then the answer is clear: they are not.Īlthough both sound technologies are developed by Dolby Laboratories, Inc, an American company specializing in audio noise reduction and audio encoding/ compression, they are actually very different from each other. Part 1: Is Dolby TrueHD The Same as Dolby Atmos
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