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How Do VR Headsets Work?

How Do VR Headsets Work?

Virtual reality (VR) technology is a one-of-a-kind entertaining and fully engaging experience for everyone. Virtual reality has allowed everyone to experience new jaw-dropping realms solo or with others, from the comfort of their own space. It’s like playing a video game but more captivating and realistic. It’s pure visual and audio entertainment.

The key hardware component of VR technology is of course the VR headsets. These were once made of plastic and cardboard but now, we have state-of-the-art VR headsets using advanced digital technology to render a fully immersive 3D or 4D experience.


Types of Electronic VR Headsets

Electronic VR headsets are basically split into 2 types: PC and phone-based. The first needs your PC to connect and render images and the second connects with your smartphone. They work in similar ways and do share a few common features but they have some minor differences in sensor capability and image analysis.

Lately, we have also seen the launch of VR headsets that are standalone and are a whole category of their own. These standalone units don’t need a PC or mobile device to reproduce VR content. You simply put on your headset and you are ready to view VR content right-away.


So How Do VR Headsets Work?

The purpose of VR Headsets is to render a realistic virtual environment in 3D that basically tricks our minds to think they are somewhere in-between tangible reality and digital artificial reality. It’s like those moments where you don’t know if you are awake or experiencing a dream.

The video material of VR headsets is rendered from main source e.g. a P.C, a smartphone, an HDMI cable, a processor or the headset’s own screen in standalone units. The video or image contents are basically split into two parts with a separate viewpoint for each eye (right and left) to produce a 3-D like sensation. Plus, VR screen types will use lenses between your eyes and the screen to manipulate the image, add depth and make it look more realistic and dimensional. In nutshell, the lenses form the image from the flat screen into a stereoscopic 3D picture, using the angles and structure of the lenses. These shift the pictures, one for each eye into a suitable form that appears more realistic. The actual pictures shown for each side/eye are slightly distanced from each other. Thus, if you close one of your eyes, you will see the images on the other eye moving back and forth. The entire 3D capability depends on this concept.

VR headset technology requires some type of input/commands to customize the VR show to the user’s preferences and make it more intuitive and interactive. These may be mere head tracking/movement modes or voice commands (Think of calling Alexa and Siri but in a VR platform) or hand controllers, depending on the model. And the beauty of digital HR headsets is that they allow you to view things at a 360-degree angle and respond intuitively according to your head motion. When this occurs, it’s not the actual VR screen that moves around but the visual elements displayed by the screen. Thus, you need to have a VR headset with a robust and smart sensor to enable this virtual illusion.

VR models that come with sensors to enable head-mode tracking, a system known as 6-degrees Freedom or 6DOF. This particular technology maps your head in an XYZ level and discerns head movements in the following directions: back to front, left to right and roll and yaw. The sensors that enable this technology include gyroscopes, magnetometers, and accelerometers. Now, in order for the technology to be as realistic as possible response rates to head movements have to be lighting fast, preferably less than 50 milliseconds or our brains will get confused and we’ll end up feeling dizzy and unwell. The headsets themselves need to be fully adjustable on the exterior and comfortable for best results.


Best VR Headsets: Our pick

Wondering which are the best VR headsets to buy? There are some pretty solid options out there, but we are proud to carry a model that fits the bill. The 3D VR Headset with Build in Stereo Headphone has all the features you’ll need in a VR headset model. It connects directly to your mobile device and renders a fully realistic 3D and high-res picture, ideal for action-packed movies, videos, and videogames. Once you try these VR headsets, you’ll have a hard time taking them off as they are so engaging.