The Evolution and Function of Modern VR Helmets

What is Virtual Reality Headset?

Benjamin Arango

Mar 27, 2024• Proven solutions

A Virtual Reality headset, commonly known as VR headset, refers to a device worn over the eyes like a pair of goggles for the purposes of watching VR content or when playing virtual reality video games. Most of the headsets have the ability to track the user’s head movements so that the wherever the user looks, the character in the virtual reality also looks. If done in the right manner, the headsets give an impression of the user being actually inside the game or the movie, hence the name “virtual reality”.

How does Virtual Reality headsets work

The principle goal of the virtual reality headsets is to create life-size, 3D virtual environments with no boundaries like those associated with computer or television screens. In case of the Rift or HTC’s Vive, video is sent from the computer or the console to the headset through a HDMI cable, while for the Google Cardboard or Samsung’s Gear VR, the videos are already on the smartphone mounted on the headsets.

The VR headsets may use a single feed or two feeds sent directly to either one or two LCD displays, one for each eye. There are also a set of lenses placed between the user’s eyes and the pixels and this is the reason why the devices are sometimes referred to as goggles. In some cases, the lenses can be adjusted to match the distance between the eyes and this distance will also vary from one user to another.

The lenses will focus and reshape the images for each eye before creating a stereoscopic 3D image by positioning the 2D images to portray how each of the two eyes see the world. One way in which the virtual reality headsets increases immersion is by increasing the field of view or simply how wide a picture appears. A 360 degrees display may not be convenient and most of the high end VR headsets usually use 100 or 110 degree field of views, which is usually sufficient enough to give the effects.

And for the final images to be totally convincing, the VR headsets use minimum frame rates of 60fps to do away with shuttering or make the users feel sick.

Top VR headsets overview

The race by tech giants to get their share of the virtual reality market is on and company after company is burning the midnight oil to produce the next best headset.

Below is a list of the various VR headsets currently available to purchase:

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HTC Vive

HTC Vive VR headset is made in collaboration with Valve and it plugs directly into PCs and uses Valve’s humongous gaming ecosystem. The headset has over 70 sensors to allow for 360 degrees head tracking and it also boasts of a 90Hz refresh rate responsible for keeping down the latency, which in turn saves the users from suffering motions sickness. This headset is currently available for purchase from $799.

Samsung Gear VR

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The Samsung Gear VR is essentially Oculus Rift lite, owing to the fact that the two companies worked on the technology together. The Gear VR uses a Samsung Galaxy smartphone for the display and as the processor. The phone slots in front of the lenses and into a Micro USB slot, and uses the super AMOLED display as the screen. With the Gear, all you have to do is to slot in the phone, put on the headset and start enjoying the virtual reality experience.

Oculus Rift

Oculus Rift headset was responsible for the current hysteria in virtual reality. The Rift plugs into the computer’s USB and DVI ports and tracks the movements of the head to provide 3D displays on its stereo screens. The consumer edition of the Rift comes with a 2160 x 1200 resolution as well as a refresh rate of 90Hz. The Rift matches HTC Vive in terms of the refresh rate, but lags behind Sony’s PlayStation VR, though it is a pretty advanced VR headset in terms of the technology used.

Sony PlayStation VR

Sony has finally announced the launch date for the PlayStation VR headset and this is expected to be 13th October 2016. A new version though, was announced way back in 2015 and it featured a 5-inch LCD display of the original prototype. For the version to be released, it is expected to have a 5.7 inch OLED to allow for low persistence which will in turn translate to less motion blur. The refresh rate for Sony’s PlayStation VR has been ramped up to 120Hz, making it possible to have 120fps gaming.

Google Cardboard

Not to be left behind, Google also has a cardboard virtual reality headset. With this headset, it sounds like popping your smartphone in a cardboard container and putting it over your head for a virtual reality experience. Sounds like a joke, but you will be pleasantly surprised to learn that it works like charm and it is also low cost. If anything, the smartphone you have already has all the gyroscopic sensors as well as the positioning devices needed to track your head movements.

Since the Cardboard has grown so much in terms of popularity, Google has planned to release a better version known as Daydream. This will be a device like the Gear VR, but it has been designed to work with android phones which are currently being revamped to over better VR experiences. It is still not know when the new device will be available, but the Cardboard is retailing at $16.99 at Amazon.

Benjamin Arango

Benjamin Arango is a writer and a lover of all things video.

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