HoloMeeting vs. Object Theory

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In the past few weeks we have been comparing HoloMeeting with other immersive collaboration solutions such as Arvizio’s MR Studio and Microsoft’s Remote Assist. Today I will point out the differences and similarities of HoloMeeting and Mixed Reality Collaboration Service “Prism” by Object Theory who are also a Microsoft Mixed Reality Partner.

Who is Object Theory?

Object Theory is based in Portland, Oregon and develops custom Mixed Reality solutions for companies who wish to innovate and improve certain processes. Apart from their custom solutions, Object Theory provides the Remote Collaboration Service “Prism by Object Theory”.

Objectives: HoloMeeting vs Prism

Both programmes have a very similar objective: to enhance productivity. With the aid of holographic collaboration (often referred to as holographic teleportation or holoportation) both HoloMeeting and Prism aim to improve businesses’ communication. Let’s take a closer look at the features and utilisation of these immersive solutions.


A free test version of Prism can (similar to HoloMeeting) be downloaded from the Microsoft store for Hololens. Just as HoloMeeting, Prism provides numerous features to their users and some of them are fairly similar to those of HoloMeeting.

Holographic avatars for instance are used by both solutions. While HoloMeeting’s avatars can either be life size 3D scans of their users or plain models, in Prism avatars can either appear as plain life size models or be customised with the aid of “accessories”.

To show participants what others are looking at, a gaze tracker helps users of both solutions keeping track of others’ perspectives.

The 3D audio and voice interaction are as well a key feature of both solutions: they ease communication immensely because participants can hear from where sounds come. Hence, voices don't overlap anymore like in many traditional video conferencing services.

Shared 3D content in both solutions can be displayed in life size mode so participants can navigate around and get a clear and more realistic understanding of the space.

The Prism team have highlighted architecture and construction as well as strategic planning (the example they use is planning a hike with the topography clear in view) as the key areas of use in Prism. So, while not specifically targeting any one area of industry, they have a clear idea of its usage.

The device compatibility of both applications is quite similar: both programmes are supported by Microsoft Hololens, Windows Mixed Reality Immersive Headsets and Windows 10 PCs- including tablets. Our developers are continuously working on the accessibility of HoloMeeting for more devices.

In Prism, text, drawing and voice annotations can be added to the shared model. In HoloMeeting however, the user has the advantage of a drawing mode with more features such as the option of choosing a certain line thickness for drawing into their environment - useful depending on the circumstance. Although HoloMeeting doesn't have a text function, it is possible to take notes on a whiteboard or to write directly into the user’s environment, especially when a Surface Pro tablet is used.

An important and unique feature of HoloMeeting is the Live Video featureincluding the remote inking function. Live Video (or: Live Feed) allows for real time remote assistance: by sharing one’s field of view with other participants, the person on site can be guided remotely.

Remote Inking allows remote participants to place symbols directly into the user’s shared field of view so that they become visible as holograms in his environment.

The Live Video feature includes numerous other extensions such as the screenshot function and live mode.

Similar applications highlighting the scope of the industry

Although both applications have the intention to enhance collaboration, HoloMeeting has more possibilities for its users to express their viewpoint. While in HoloMeeting up to ten people can take part at the same time, only four at a time can be present in Prism.

Also, in HoloMeeting every user can connect to his or her onedrive account, and every participant is able to upload not only 3D models but 2D files such as documents and photos.

So while quite similar in their initial scope and functionality and, I have to say, the look and feel of Prism is good, there is a fluidity that is missing in Prism that is clearly evident in HoloMeeting.

We’re curiously working on ongoing new developments for our immersive remote collaboration app and are glad to keep you posted!

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