Dolby Atmos is very similar to DTS:X, but the technology itself is quite different. Both Atmos and DTS:X are object-based surround sound technologies, but Atmos puts more emphasis on height – so much so that Dolby recommends you install ceiling speakers to get the full benefit.
A 5.1 system (made up of five satellites and one subwoofer) with four Dolby Atmos speakers would be referred to as 5.1.4. 7.1.4 is the reference set-up for Dolby Atmos – in other words, the tech runs natively on a set-up comprising seven satellites, one sub and four Atmos speakers.
DTS:X has the edge in terms of sound quality because it supports higher bit rates - Dolby Atmos codecs are more efficient than DTS-X hence sound comparable or even better at a lower bit rate
Dolby Atmos is a surround sound technology, expands on existing surround sound systems by adding height channels, allowing sounds to be interpreted as three-dimensional objects. A variety of consumer technologies have been released under the Atmos brand, using in-ceiling and up-firing speakers
DTS:X.is an object-based surround sound technology that expands on conventional surround sound systems. It has no requirements for additional height channels, or requirements for a specific number of speakers in any configuration..
Dolby TrueHD is a lossless, multi-channel audio codec developed by Dolby Laboratories for home video, used in Blu-ray Disc and compatible hardware. Dolby TrueHD, along with Dolby Digital Plus and Dolby AC-4, is successors to the Dolby Digital (AC-3) lossy surround format.
DTS-HD Master Audio is a high-definition digital surround sound format supports up to eight channels of surround sound with an increased dynamic range, a wider frequency response, and a higher sampling rate than other DTS surround formats, is primarily used in the Blu-ray Disc and Ultra HD Blu-ray formats.
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Codec: E-AC-3 JOC (Dolby Digital Plus with Dolby Atmos)
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Codec: DTS Audio (dts)@768 Kbps
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