Definitions of Metaverse: The research team is reviewing the technical terms

An interdisciplinary and international team of researchers is working extensively on researching these concepts. The term metaverse is often used as a synonym for AR and VR applications.According to Professor Philip Rauschnabel
from the University of the Federal Armed Forces in Munich To this company's website Relationship Browser
. “However, this is not true. AR and VR are just portals to the Metaverse – comparable to how a smartphone or browser enables access to the Internet today.”

Scholars assert that the term metaverse has so far been more of a vision than an established concept. Colloquially, the metaverse can also be described as a 3D decentralized and decentralized interaction space that reflects communities, is accessible via XR, and contains characteristics of communities (such as transactions and the presence of people in the form of avatars or coins).

XR Technologies to Access the Metaverse

“In recent years, we have noticed a large number of terms and noted that some of them are used inaccurately, incorrectly and inconsistently”According to Professor Florian AltLook for
From the CODE Research Center at the Federal Armed Forces University in Munich. “We took this as an opportunity to create new definitions with leading experts from the XR community and to describe the differences in theory.” After about a year of work, a working review framework has now emerged: the xReality framework. “Unlike previous models, we don’t look at these new reality formats from a technical point of view, but from a user point of view.”, so Rauschnabel. Specifically, the question is whether or not the physical environment is part of the experience. If yes, then AR, if not, then VR.

Most virtual reality applications are done via head-mounted monitors – also known as virtual reality goggles. CAVE systems are more than an exception. On the other hand, AR apps can be used via fixed or mobile devices; Wearable devices, ie, augmented reality glasses, are approaching market maturity and patents for smart contact lenses point to the future. Some devices can do both AR and VR.According to Professor Chris HenchLook for from Grand Valley State University To this company's website Relationship Browser in Michigan, “But not both at the same time.”

XR, Extended to Reality or xReality?

Researchers do not use the term XR as an extended reality, as is often the case. “This is somewhat misleading, because in virtual reality, reality is not ‘stretched’, it is replaced”According to Hamza ShehabLook for
From the University of Malaya in Kuala Lumpur, Malaysia To this company's website Relationship Browser
. Anecdotal evidence: If you translate “extended reality” and “augmented reality” into German using standard translation tools, they suggest “extended reality” — that is, augmented reality — for both terms.

Mixed Reality vs. Auxiliary Reality: The Role of “Local Presence”

“AR is not equal to AR”, so Rauschnabel. If you look at classic augmented reality applications, it is clear that this virtual content can be considered artificial, such as simple text or icons in the field of view. Other applications can embed realistic and interactive 3D objects into the environment in such a way that people have difficulty distinguishing between real and virtual objects. The authors refer to the hallmark as “local presence,” which ultimately describes the extent to which people perceive things as real in their local environment.

Atomic vs. Mass Virtual Reality: The Role of Telepresence

Simple VR apps can be used via cartoons and standard smartphones. Scientists talk about “atomic virtual reality,” that is, a very simple form of virtual reality. “In contrast, there are environments that are characterized by a high level of detail and realism. These environments provide an experience in which the user is in reality in an imaginary place, which we call the maximum form of telepresence.”Alt says. Because a variety of senses are addressed, the authors call this form of VR “global virtual reality.”

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