What do we know so far about HoloLens 2?


4 min read

Admittedly, a little late, but I gave you an article on everything you need to know about what do we know so far about HoloLens 2? 


Microsoft today unveiled HoloLens 2 at MWC 2019 in Barcelona. HoloLens 2 features a laser display, which brings a larger field of view than the first HoloLens and a higher pixel amount.


Microsoft Visionary Behind HoloLens 2 Alex Kipman took the stage in Barcelona to introduce the HoloLens 2, which is very similar to the previous model, plus significant hardware upgrades, comfort, and hand tracking.



Kipman says HoloLens 2 "more than doubles" the field of view of the original HoloLens, though it has yet to specify exactly what the field of view is. The original HoloLens field was around 35 degrees, so we expect HoloLens 2 to be around 70 degrees.


Of course, there is a direct inverse relationship between the field of view and the resolution, because when you stretch the field of view you reduce the pixel density. HoloLens 2 keeps this high 47 pixels, despite a jump in vision. Kipman said Target 47 PPD decided because the smallest readable font can see and read. In comparison, Vive Pro Virtual Reality glasses are around 16 PPD.



HoloLens 2 is more conveniently designed, with much more balanced support at the back of the glasses. Kipman says What do we know so far about HoloLens 2? is "three times as comfortable" from the previous HoloLens ... despite the exact weight, how they came to calculate their comfort is difficult to know. The front of the Holulence 2 made entirely of carbon fiber to reduce the weight of the Holulence 2 and offers comfort and even the ability to lift you reflect.


HoloLens 2 also brings hands-on tracking, which is effective at holding objects, sliding, gluing. Much more convenient than the inaccurate control of the first model of What do we know so far about HoloLens. Now tracking is complete, users can interact more directly with applications by touching and swiping directly and not through basic hand gestures.


What do we know so far about HoloLens 2 glasses also equipped with eye tracking? Although Microsoft did not go into details about its capabilities, it should work "real-time" eye tracking can also used for biometric verification, which should be very useful for organizations.


Microsoft says HoloLens 2 will be available for $ 3,500 (which means Microsoft doesn't appeal to consumers), orders can pre-ordered on the Microsoft website. The company says it will offer the HoloLens 2 in packages with Dynamics 365 Remote Assist (including a new Microsoft joystick) starting at $125 a month, which shows Microsoft plans to charge monthly.


HoloLens a reflection of the first mature laminated reality I know of in the realm of laminated. The glasses came into use in early 2015. Microsoft first launched HoloLens as a development kit in early 2016, and later that year made it available in a commercial edition for organizations.


 By 2017 and 2018, the company has grown the distribution channels of Layered Reality Glasses, options such as opening third-party resales and rentals, expanding regional availability, and launching first-party software tools for remote organization visualization. And if that's not enough, Microsoft recently closed a $480 million defense contract to provide the US military with AR laminated reality glasses, which are based on What do we know so far about HoloLens 2 technology rather than first-generation What do we know so far about HoloLens 2.


And now for some more technical details:


resolution:

Microsoft does not give the exact resolution, but says the resolution is "2K" per eye with 2.5K points to radian; Which works on 47 pixels, which I understand we have enhanced wee pixel density in contrast to the original first layered reality glasses (very sharp compared to the hollowness 2).


The aspect ratio

The specifications specify a 3: 2 aspect ratio that is more square than the original 16: 9 ratio. 3: 2 is better viewed because it distributes the display more evenly across all sections.


Field of view

The original HoloLens field of view is around 30 degrees horizontal and Microsoft says HoloLens 2 offers "more than double" the original field of view, but that doesn't mean exactly which dimension (which is important considering the aspect ratio change). It seems we can expect a 65-degree horizontal field of view.


"Eye-based processing"

There is minimal detail on the subject, but HoloLens 2 features an "eye-based" feature that offers "display optimization for 3D eye placement." We know that What do we know so far about HoloLens 2 goggles include eye tracking, which shows that the system considers not only the user's IPD (eye distance) but also the lens distance from the eye to fit perfectly for visual accessories. This means a more user-friendly experience, although at this stage it does not appear that all the adjustments are ready for the IPD, and we support not all IPDs.


Processor

The rumors turned out to be true. HoloLens 2 uses the 850 Snapdragon processor, along with Microsoft's second generation Holographic Processing Unit, a common processor that handles sensor input. The original HoloLens laminated reality glasses used the Intel x86 processor.


Battery life

Microsoft claims that the battery lasts for "2-3 hours of active use," remaining roughly in line with the original HoloLens, but with a USB-C connector and "fast charging," it's possible significantly extend battery life with an external battery pack.


Glasses

The specification says that HoloLens 2 "fits over glasses," which is definitely an advantage, but it's unclear if glasses will affect the eye tracking used by the glasses.


Top strap

HoloLens 2 also comes with an optional upper strap which reinforces the back side of the headstrap, which lowers pressure from the front. Microsoft did not introduce this in the show, but it is a significant convenience by distributing better weight on the top of the head.


Display

Optics: See-through holographic lenses (waveguides)

Resolution: 2K 3: 2 light engines

Holographic Density: > 2.5K radiants (light points per radian)

Eye-based Rendering: Display optimization for 3D eye position


Sensors & Audio

Depth: Azure Kinect sensor

IMU: Accelerometer, gyroscope, magnetometer

Camera: 8MP stills, 1080p30 video

Microphone Array: 5 channels

Speakers: Built-in spatial audio


Human Understanding

Hand Tracking: Two-handed fully articulated model, direct manipulation


Eye Tracking: Real-time tracking

Voice: Command and control on-device, Natural Language with internet connectivity


Environmental Understanding

6DoF Tracking: World-scale positional tracking

Spatial Mapping: Real-time environment mesh

Mixed Reality Capture: Mixed hologram and physical environment photos and videos


Compute & Connectivity

SoC: Qualcomm Snapdragon 850 Compute Platform

HPU: 2nd generation custom-built Holographic Processing Unit

Wi-Fi: 802.11ac 2 × 2

Bluetooth: 5.0

USB: USB Type-C


Power

2–3 hours of active use

Charging: USB power delivery - fast charging

Thermals: Passively cooled

Fit


Single Size: Fits over glasses, size using change dial


Software

Windows Holographic OS

Edge

Remote Assist

Layout

Guides

3D Viewer

One Drive for Business


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Virtual Reality, Augmented and Artificial Intelligence 2021 specialist Amit Caesar wrote the article.
Send me an email: caesaramit@gmail.com