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{{Infobox information appliance|name = Microsoft HoloLens|logo = File:Microsoft_HoloLens_logo_2015.png|logo_size = 250px|image = Microsoft HoloLens.jpg|logo caption = Microsoft HoloLens Logo (2015 - Current)|website = {{url|hololens.com}}|developer = Microsoft|aka = HoloLens|type = [[Augmented reality]] (AR), [[Optical head-mounted display]] (OHMD), [[Wearable technology]], [[Wearable computer]]|release date = TBF|generation = |os = [[Windows 10]]|family = [[Windows Holographic]]}}'''Microsoft Hololens''' (stylized as Microsoft HoloLens) is a [[Smartglasses|smart-glasses]] headset that is a cordless, self-contained Windows 10 computer. It uses advanced sensors, a high-definition stereoscopic 3D [[optical head-mounted display]], and spatial sound to allow for augmented reality applications, with a [[natural user interface]] that the user interacts with through gaze, voice, and hand gestures.<ref name="Colaner0430">{{cite web|last1 = Colaner|first1 = Seth|title = Microsoft HoloLens, Hands On: Promising Productivity, Little Panache|url = http://www.tomshardware.com/news/microsoft-hololens-hands-on,29027.html|website = Tom's Hardware|accessdate = 1 May 2015|date = 30 April 2015|quote = The pair of Microsoft reps in the IPD room also explained to us the three ways we were going to interact with HoloLens: "gaze," wherein you move a cursor by looking around; "gesture," where you air tap to select an item; and "voice," which is...obvious. "We call it 'GGV'," said one of the reps.}}</ref><ref name="Restart">{{cite web|last1 = Hempel|first1 = Jessi|title = Restart: Microsoft in the age of Satya Nadella|url = http://www.wired.com/2015/01/microsoft-nadella/|publisher = Wired|accessdate = 22 January 2015|date = 21 January 2015|quote = Each lens has three layers of glass—in blue, green, and red—full of microthin corrugated grooves that diffract light. [...] A “light engine” above the lenses projects light into the glasses, where it hits the grating and then volleys between the layers of glass millions of times.}}</ref> Codenamed "Project Baraboo," HoloLens had been in development for five years before its announcement in 2015, but was conceived earlier as the original pitch made in late 2007 for what would become the [[Kinect]] technology platform.<ref name="Restart" /><ref name="Hempel0121">{{cite web|last1 = Hempel|first1 = Jessi|title = Project HoloLens: Our Exclusive Hands-On With Microsoft’s Holographic Goggles|url = http://www.wired.com/2015/01/microsoft-hands-on/|website = Wired|accessdate = 22 January 2015|date = 21 January 2015}}</ref>
#REDIRECT [[Windows_Holographic#Microsoft_HoloLens]]

Microsoft expects HoloLens to be made publicly available "in the Windows 10 timeframe," with a v1 HoloLens—intended for developer and enterprise uses—to be released "within the next year" of the initial Windows 10 launch.<ref name="Click 01-08-2015">{{cite episode |title = 01/08/2015 GMT|url = http://www.bbc.co.uk/programmes/n3csy4hp|series = Click|series-link = Click (TV programme)|network = [[BBC World News]]|date = 1 August 2015}} {{cite AV media |people = Dave Lee, Satya Nadella|date = 31 July 2015|title = Microsoft boss Nadella on Windows 10|medium = Television production|url = http://www.bbc.co.uk/programmes/p02yhy3m|access-date = 23 August 2015|time = 2:48|publisher = BBC|quote = We're looking forward to getting a v1 out which is more around developers and enterprises, and [...] it's in the Windows 10 timeframe, which means that it is within the next year.}}</ref><ref name="Shaban0121">{{cite web|last = Shaban|first = Hamza|url = http://www.theverge.com/2015/1/21/7867593/microsoft-announces-windows-holographic|title = Microsoft announces Windows Holographic with HoloLens headset|publisher = The Verge|date = 2014-09-02|accessdate = 2015-01-21}}</ref> An unnamed Microsoft executive said that HoloLens would cost significantly more than a [[video game console]].<ref>{{cite web|last1 = Wingfield|first1 = Nick|title = Microsoft (Yes, Microsoft) Has a Far-Out Vision|url = http://www.nytimes.com/2015/05/03/technology/microsoft-yes-microsoft-has-a-far-out-vision.html|website = New York Times|accessdate = 6 May 2015|date = 30 April 2015}}</ref>

== Design ==
The Microsoft HoloLens design is of a visor glasses unit connected to an adjustable padded inner headband. The unit can be tilted up and down, as well as adjusted forward and backward in relation to the headband.<ref name="Davies0501">{{cite web|last1 = Davies|first1 = Chris|title = HoloLens hands-on: Building for Windows Holographic|url = http://www.slashgear.com/hololens-hands-on-building-for-windows-holographic-01381717/|website = SlashGear|accessdate = 1 May 2015|date = 1 May 2015|quote = There are arguments about whether HoloLens really does create holograms, or if Microsoft has usurped the term when in fact the digital phantoms are something else entirely. Personally, [...] I think augmented reality is at a stage where it needs all the help it can get to communicate its value to potential users.}}</ref> To wear the HoloLens, the user uses an adjustment wheel at the back of the headband to secure it around the crown of their head, supporting the weight of the unit.<ref name="hardware page">{{cite web|title = Microsoft Hololens hardware|url = http://www.microsoft.com/microsoft-hololens/hardware|publisher = Microsoft|accessdate = 1 May 2015}}</ref> The user then tilts the visor down in front of the eyes.<ref name="Davies0501" /> The release version of HoloLens is projected to weigh around 0.4&nbsp;kg.<ref name="Restart" />

In the brow of the unit is much of the sensors and related hardware, including depth sensors, photo/video camera, and holographic processing unit. The visor front is tinted;<ref name="hardware page" /> enclosed in the visor piece is a pair of transparent [[Head-up display#Overview|combiner]] lenses, in which the projected images are displayed in the lower half.<ref name="C9-08">{{cite AV media |people = Alex Kipman, Seth Juarez|date = 30 April 2015|title = Developing for HoloLens|url = http://channel9.msdn.com/Events/Build/2015/C9-08|access-date = 1 May 2015|time = 00:07:15|quote = HoloLens is the first—and so far—only holographic computer out there. [...] I hope that in the not-so-distant future there will be many such devices. [...] This is running Windows 10. All of the APIs for human and environment understanding are part of Windows, and this version of Windows that we put on this device—we call it Windows Holographic.|publisher = Microsoft}}</ref> The HoloLens must be calibrated to the [[interpupillary distance]] (IPD) of the individual user.<ref name="Hachman0501">{{cite web|last1 = Hachman|first1 = Mark|title = Developing with HoloLens: Decent hardware chases Microsoft's lofty augmented reality ideal|url = http://www.pcworld.com/article/2917613/developing-with-hololens-decent-hardware-chases-microsofts-lofty-augmented-reality-ideal.html|website = PC World|accessdate = 1 May 2015|date = 1 May 2015}}</ref><ref name="Hollister0121">{{cite web|last1 = Hollister|first1 = Sean|title = Microsoft HoloLens Hands-On: Incredible, Amazing, Prototype-y as Hell|url = http://gizmodo.com/project-hololens-hands-on-incredible-amazing-prototy-1680934585|accessdate = 1 May 2015|date = 21 January 2015|quote = One Microsoft employee [...] typed my IPD (interpupillary distance) into a connected PC. Microsoft says the final version will automatically measure the distnace [''[[sic]]''] between your eyes, but the prototypes don’t have that feature yet.}}</ref>

Along the bottom edges of the side arms by wearer's ears are a pair of small red stereo speakers. As opposed to headphones, the speakers do not obstruct external sound, allowing the user to hear virtual sounds together with the real-world environment.<ref name="hardware page" /> Using scientific models of human [[sound localization]], the HoloLens can generate [[Binaural recording|binaural]] audio which can simulate spatial effects, such that the user can perceive a sound as coming from a specific location.<ref name="Conversations0501">{{cite web|last1 = Holmdahl|first1 = Todd|title = BUILD 2015: A closer look at the Microsoft HoloLens hardware|url = http://lumiaconversations.microsoft.com/2015/04/30/build-2015-a-closer-look-at-the-microsoft-hololens-hardware/|website = Conversations: The Microsoft Devices blog|accessdate = 1 May 2015|date = 1 May 2015|quote = This custom silicon efficiently processes data from the sensors, resulting in a relatively simple yet informative output that can be easily used by developers so they can focus on creating amazing experiences without having to work through complex physics calculations.}}</ref><ref group="note">See also: [[3D audio effect]], [[virtual surround]], [[psychoacoustics]]</ref>

On the top edge are two pairs of buttons: display brightness buttons above the left ear, and volume buttons above the right ear.<ref name="Bright0501" /> Adjacent buttons are shaped differently—one concave, one convex—so that the user can distinguish them by touch.<ref name="Davies0501" />

At the end of the left arm is a power button and row of five tiny LEDs, which are together are used to indicate system status, as well as for [[power management]], indicating battery level and setting power/[[Sleep mode|standby]] mode.<ref name="Davies0501" /> A micro USB receptacle for charging and connectivity is located along the bottom edge.<ref name="hardware page" />

== Technology ==
Among the sensor types used in HoloLens is an energy-efficient [[Range imaging|depth]] camera with a 120°×120° [[angle of view]],<ref name="Hempel0121" /> a [[microphone array]], a photographic video camera, and an [[inertial measurement unit]] (IMU). The inertial measurement unit includes an [[accelerometer]], [[MEMS gyroscope|gyroscope]], and a [[magnetometer]].<ref name="Conversations0501" />

<span id="Holographic Processing Unit">In addition to a high-end [[Central processing unit|CPU]] and [[Graphics processing unit|GPU]], HoloLens features a holographic processing unit (HPU)<ref>{{cite web|title = Microsoft HoloLens {{!}} Get Ready|url = http://www.microsoft.com/microsoft-hololens/en-us/get-ready|publisher = Microsoft|accessdate = 6 March 2015}}</ref> a custom [[coprocessor]] by Microsoft which efficiently processes and integrates data from the various sensors, handling tasks such as spatial mapping, gesture recognition, and voice and speech recognition.<ref name="C9-08" /><ref name="Conversations0501" /><ref group="note">See also: [[sensor hub]]</ref> According to HoloLens chief inventor Alex Kipman, the HPU processes "terabytes of information" from the HoloLens's sensors in real time.<ref name="livestream0121">{{cite AV media |people = Terry Myerson, Alex Kipman, Jeff Norris, Satya Nadella|date = 21 January 2015|title = Windows 10: The Next Chapter|url = https://ll.ms-studiosmedia.com/events/2015/1501/Windows10CP/live/Windows10CP.html|access-date = 22 January 2015|time = 01:36:53|publisher = Microsoft}}<br>
{{cite web|title = Satya Nadella, Terry Myerson, Joe Belfiore and Phil Spencer: Windows 10 Briefing|url = http://news.microsoft.com/speeches/satya-nadella-terry-myerson-joe-belfiore-and-phil-spencer-windows-10-briefing/|website = News Center|publisher = Microsoft|accessdate = 6 March 2015|date = 21 January 2015}}</ref></span>

The combiner lenses of the HoloLens consist of three layers—for blue, green, and red<ref group="note">See also: [[RGB color model]]</ref>—each with diffractive features.<ref group="note">See also: [[diffraction grating]], [[holographic grating]], [[holographic optical element]]</ref> A "light engine" above the combiner lens projects light into the lens, a wavelength which then hits a diffractive element and is reflected repeatedly along a layer until it is output to the eye.<ref group="note">See also: [[waveguide (optics)]], [[total internal reflection]]</ref><ref name="Restart" /> Similar to that of many other [[Optical head-mounted display|optical head-mounted displays]], the display projection for the HoloLens occupies a limited portion of the user's [[field of view]] (FOV), particularly in comparison to [[virtual reality]] [[Head-mounted display|head-mounted displays]], which typically cover a much greater field of view.<ref name="CWRU PS">{{cite AV media |date = 8 July 2015|title = Microsoft HoloLens: Partner Spotlight with Case Western Reserve University|url = https://www.youtube.com/watch?v=SKpKlh1-en0|access-date = 9 July 2015|publisher = Microsoft}}</ref><ref>{{cite web|last1 = Orland|first1 = Kyle|title = See for yourself what Microsoft HoloLens’ limited field-of-view looks like|url = http://arstechnica.com/gaming/2015/07/see-for-yourself-what-microsoft-hololens-limited-field-of-view-looks-like/|website = Ars Technica|publisher = Condé Nast|accessdate = 9 July 2015|date = 9 July 2015|quote = Even this video only gives a partial impression of just how limited the effect is. That's because the aspect ratio of the video window itself cuts off a large part of the peripheral vision you have when using HoloLens in real life.}}</ref><ref name="Dingman0628" /><ref name="Kreylos0501" /><ref name="Fenlon0121">{{cite web|last1 = Fenlon|first1 = Wes|title = Microsoft HoloLens hands on: the promise and disappointment of AR|url = http://www.pcgamer.com/microsoft-hololens-hands-on-the-promise-and-disappointment-of-ar/|website = PC Gamer|accessdate = 2 May 2015|date = 21 January 2015|quote = The Microsoft HoloLens is not what I think of when I hear the word “hologram.” What Microsoft calls holograms, most of us have been calling augmented reality for years—overlaying digital images over our view of the real world.}}</ref><ref name="Bright0501">{{cite web|last1 = Bright|first1 = Peter|title = HoloLens: Still magical, but with the ugly taint of reality|url = http://arstechnica.com/gadgets/2015/05/01/hololens-still-magical-but-with-the-ugly-taint-of-reality/|website = Ars Technica|accessdate = 2 May 2015|date = 1 May 2015}}</ref><ref name="Robertson0501">{{cite web|last1 = Robertson|first1 = Adi|title = Microsoft's HoloLens is new, improved, and still has big problems|url = http://www.theverge.com/2015/5/1/8527645/microsoft-hololens-build-2015-augmented-reality-headset|website = The Verge|accessdate = 2 May 2015|date = 1 May 2015}}</ref> Based on preliminary hardware, most observers have characterized the field of view of the HoloLens as small, though subjective estimates vary significantly.<ref name="Kreylos0718">{{cite web|last1 = Kreylos|first1 = Oliver|title = HoloLens and Field of View in Augmented Reality|url = http://doc-ok.org/?p=1223|website = Doc-Ok.org|accessdate = 23 August 2015|date = 18 August 2015|quote = Initially, there was little agreement among those who experienced HoloLens regarding its field of view. That’s probably due to two reasons: one, it’s actually quite difficult to measure the FoV of a headmounted display; and two, nobody was allowed to bring any tools or devices into the demonstration rooms.}}</ref><ref name="Dingman0628">{{cite web|last1 = Dingman|first1 = Hayden|title = Microsoft's augmented reality Halo is breathtaking, but HoloLens still needs work|url = http://www.pcworld.com/article/2937446/microsofts-augmented-reality-halo-is-breathtaking-but-hololens-still-needs-work.html|website = PCWorld|accessdate = 28 June 2015|date = 18 June 2015|quote = I don’t know what the field of view is on HoloLens, but if the Oculus Rift/HTC Vive have a “looking at the world through ski goggles” feel on occasion, then HoloLens is like looking at a cell phone screen someone held up five feet in front of your face. Or like peering at the world through the slit of a welding mask.}}</ref><ref>{{cite web|last1 = Statt|first1 = Nick|title = Our inside look at Microsoft's HoloLens leaves us wanting more|url = http://www.cnet.com/news/microsoft-showed-us-the-hololens-five-most-fundamental-features/|website = CNET|accessdate = 28 June 2015|date = 1 May 2015|quote = The most noticeable differentiator with the HoloLens right now is that your field of view is limited, resembling a rectangle the size of a sheet of printer paper held a half a foot in front of your face.}}</ref><ref>{{cite web|last1 = Crecente|first1 = Brian|title = HoloLens' Project X-Ray delivers a first-person augmented reality shooter|url = http://www.polygon.com/e3-2015/2015/6/16/8791473/hololens-project-x-ray-delivers-a-first-person-augmented-reality|website = Polygon|accessdate = 28 June 2015|date = 16 June 2015|quote = The virtual screen was about the size of a deck of cards if you held it in front of your eyes with your arm half-extended.}}</ref> From the Build 2015 developer conference in May, one attendee estimated that the display field of view of the demonstration units was 30°×17.5°.<ref name="Kreylos0501">{{cite web|last1 = Kreylos|first1 = Oliver|title = On the road for VR: Microsoft HoloLens at Build 2015, San Francisco|url = http://doc-ok.org/?p=1223|website = Doc-Ok.org|accessdate = 17 June 2015|date = 1 May 2015|quote = As I was stripped of all devices and gadgets before being allowed into the demo room, I had to guesstimeasure it by covering the visible screen with my hands (fingers splayed) at arm’s length, ending up with 1 3/4 hands horizontally, and 1 hand vertically (in other words, a 16:9 screen aspect ratio) (see Figure 1). In non-Doc-Ok units, that comes out to about 30° by 17.5° (for comparison, the Oculus Rift DK2′s field of view is about 100° by 100°).}}</ref> In an interview at the [[Electronic Entertainment Expo 2015|2015 Electronic Entertainment Expo]] in June, Microsoft corporate vice president of next-gen experiences Kudo Tsunoda indicated that the field of view is unlikely to be significantly different upon release.<ref name="GBLive0616">{{cite AV media |people = Jeff Gerstmann, Phil Spencer, Kudo Tsunoda|date = 16 June 2015|title = Giant Bomb LIVE! at E3 2015: Day 01|medium = |url = https://www.youtube.com/watch?v=Pjh1Uo_xaSQ&t=3h12m31s|access-date = 4 July 2015|format = |time = 3:13:06|location = |publisher = |id = |quote = the hardware we have now [...] the field of view isn't exactly final, but I wouldn't say it's going to be [...] hugely, noticeably different, either.}}</ref>
<references />

[[Category:Products introduced in 2015]]
[[Category:Microsoft]]
[[Category:Windows 10]]
[[Category:Holography]]
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Revision as of 13:36, 21 September 2015

Microsoft HoloLens
Microsoft HoloLens Logo (2015 - Current)
File:Microsoft HoloLens.jpg
Also known asHoloLens
DeveloperMicrosoft
Product familyWindows Holographic
TypeAugmented reality (AR), Optical head-mounted display (OHMD), Wearable technology, Wearable computer
Release dateTBF
Operating systemWindows 10
Websitehololens.com

Microsoft Hololens (stylized as Microsoft HoloLens) is a smart-glasses headset that is a cordless, self-contained Windows 10 computer. It uses advanced sensors, a high-definition stereoscopic 3D optical head-mounted display, and spatial sound to allow for augmented reality applications, with a natural user interface that the user interacts with through gaze, voice, and hand gestures.[1][2] Codenamed "Project Baraboo," HoloLens had been in development for five years before its announcement in 2015, but was conceived earlier as the original pitch made in late 2007 for what would become the Kinect technology platform.[2][3]

Microsoft expects HoloLens to be made publicly available "in the Windows 10 timeframe," with a v1 HoloLens—intended for developer and enterprise uses—to be released "within the next year" of the initial Windows 10 launch.[4][5] An unnamed Microsoft executive said that HoloLens would cost significantly more than a video game console.[6]

Design

The Microsoft HoloLens design is of a visor glasses unit connected to an adjustable padded inner headband. The unit can be tilted up and down, as well as adjusted forward and backward in relation to the headband.[7] To wear the HoloLens, the user uses an adjustment wheel at the back of the headband to secure it around the crown of their head, supporting the weight of the unit.[8] The user then tilts the visor down in front of the eyes.[7] The release version of HoloLens is projected to weigh around 0.4 kg.[2]

In the brow of the unit is much of the sensors and related hardware, including depth sensors, photo/video camera, and holographic processing unit. The visor front is tinted;[8] enclosed in the visor piece is a pair of transparent combiner lenses, in which the projected images are displayed in the lower half.[9] The HoloLens must be calibrated to the interpupillary distance (IPD) of the individual user.[10][11]

Along the bottom edges of the side arms by wearer's ears are a pair of small red stereo speakers. As opposed to headphones, the speakers do not obstruct external sound, allowing the user to hear virtual sounds together with the real-world environment.[8] Using scientific models of human sound localization, the HoloLens can generate binaural audio which can simulate spatial effects, such that the user can perceive a sound as coming from a specific location.[12][note 1]

On the top edge are two pairs of buttons: display brightness buttons above the left ear, and volume buttons above the right ear.[13] Adjacent buttons are shaped differently—one concave, one convex—so that the user can distinguish them by touch.[7]

At the end of the left arm is a power button and row of five tiny LEDs, which are together are used to indicate system status, as well as for power management, indicating battery level and setting power/standby mode.[7] A micro USB receptacle for charging and connectivity is located along the bottom edge.[8]

Technology

Among the sensor types used in HoloLens is an energy-efficient depth camera with a 120°×120° angle of view,[3] a microphone array, a photographic video camera, and an inertial measurement unit (IMU). The inertial measurement unit includes an accelerometer, gyroscope, and a magnetometer.[12]

In addition to a high-end CPU and GPU, HoloLens features a holographic processing unit (HPU)[14] a custom coprocessor by Microsoft which efficiently processes and integrates data from the various sensors, handling tasks such as spatial mapping, gesture recognition, and voice and speech recognition.[9][12][note 2] According to HoloLens chief inventor Alex Kipman, the HPU processes "terabytes of information" from the HoloLens's sensors in real time.[15]

The combiner lenses of the HoloLens consist of three layers—for blue, green, and red[note 3]—each with diffractive features.[note 4] A "light engine" above the combiner lens projects light into the lens, a wavelength which then hits a diffractive element and is reflected repeatedly along a layer until it is output to the eye.[note 5][2] Similar to that of many other optical head-mounted displays, the display projection for the HoloLens occupies a limited portion of the user's field of view (FOV), particularly in comparison to virtual reality head-mounted displays, which typically cover a much greater field of view.[16][17][18][19][20][13][21] Based on preliminary hardware, most observers have characterized the field of view of the HoloLens as small, though subjective estimates vary significantly.[22][18][23][24] From the Build 2015 developer conference in May, one attendee estimated that the display field of view of the demonstration units was 30°×17.5°.[19] In an interview at the 2015 Electronic Entertainment Expo in June, Microsoft corporate vice president of next-gen experiences Kudo Tsunoda indicated that the field of view is unlikely to be significantly different upon release.[25]

  1. ^ Colaner, Seth (30 April 2015). "Microsoft HoloLens, Hands On: Promising Productivity, Little Panache". Tom's Hardware. Retrieved 1 May 2015. The pair of Microsoft reps in the IPD room also explained to us the three ways we were going to interact with HoloLens: "gaze," wherein you move a cursor by looking around; "gesture," where you air tap to select an item; and "voice," which is...obvious. "We call it 'GGV'," said one of the reps.
  2. ^ a b c d Hempel, Jessi (21 January 2015). "Restart: Microsoft in the age of Satya Nadella". Wired. Retrieved 22 January 2015. Each lens has three layers of glass—in blue, green, and red—full of microthin corrugated grooves that diffract light. [...] A "light engine" above the lenses projects light into the glasses, where it hits the grating and then volleys between the layers of glass millions of times.
  3. ^ a b Hempel, Jessi (21 January 2015). "Project HoloLens: Our Exclusive Hands-On With Microsoft's Holographic Goggles". Wired. Retrieved 22 January 2015.
  4. ^ "01/08/2015 GMT". Click. 1 August 2015. BBC World News. Dave Lee, Satya Nadella (31 July 2015). Microsoft boss Nadella on Windows 10 (Television production). BBC. Event occurs at 2:48. Retrieved 23 August 2015. We're looking forward to getting a v1 out which is more around developers and enterprises, and [...] it's in the Windows 10 timeframe, which means that it is within the next year.
  5. ^ Shaban, Hamza (2014-09-02). "Microsoft announces Windows Holographic with HoloLens headset". The Verge. Retrieved 2015-01-21.
  6. ^ Wingfield, Nick (30 April 2015). "Microsoft (Yes, Microsoft) Has a Far-Out Vision". New York Times. Retrieved 6 May 2015.
  7. ^ a b c d Davies, Chris (1 May 2015). "HoloLens hands-on: Building for Windows Holographic". SlashGear. Retrieved 1 May 2015. There are arguments about whether HoloLens really does create holograms, or if Microsoft has usurped the term when in fact the digital phantoms are something else entirely. Personally, [...] I think augmented reality is at a stage where it needs all the help it can get to communicate its value to potential users.
  8. ^ a b c d "Microsoft Hololens hardware". Microsoft. Retrieved 1 May 2015.
  9. ^ a b Alex Kipman, Seth Juarez (30 April 2015). Developing for HoloLens. Microsoft. Event occurs at 00:07:15. Retrieved 1 May 2015. HoloLens is the first—and so far—only holographic computer out there. [...] I hope that in the not-so-distant future there will be many such devices. [...] This is running Windows 10. All of the APIs for human and environment understanding are part of Windows, and this version of Windows that we put on this device—we call it Windows Holographic.
  10. ^ Hachman, Mark (1 May 2015). "Developing with HoloLens: Decent hardware chases Microsoft's lofty augmented reality ideal". PC World. Retrieved 1 May 2015.
  11. ^ Hollister, Sean (21 January 2015). "Microsoft HoloLens Hands-On: Incredible, Amazing, Prototype-y as Hell". Retrieved 1 May 2015. One Microsoft employee [...] typed my IPD (interpupillary distance) into a connected PC. Microsoft says the final version will automatically measure the distnace [sic] between your eyes, but the prototypes don't have that feature yet.
  12. ^ a b c Holmdahl, Todd (1 May 2015). "BUILD 2015: A closer look at the Microsoft HoloLens hardware". Conversations: The Microsoft Devices blog. Retrieved 1 May 2015. This custom silicon efficiently processes data from the sensors, resulting in a relatively simple yet informative output that can be easily used by developers so they can focus on creating amazing experiences without having to work through complex physics calculations.
  13. ^ a b Bright, Peter (1 May 2015). "HoloLens: Still magical, but with the ugly taint of reality". Ars Technica. Retrieved 2 May 2015.
  14. ^ "Microsoft HoloLens | Get Ready". Microsoft. Retrieved 6 March 2015.
  15. ^ Terry Myerson, Alex Kipman, Jeff Norris, Satya Nadella (21 January 2015). Windows 10: The Next Chapter. Microsoft. Event occurs at 01:36:53. Retrieved 22 January 2015.
    "Satya Nadella, Terry Myerson, Joe Belfiore and Phil Spencer: Windows 10 Briefing". News Center. Microsoft. 21 January 2015. Retrieved 6 March 2015.
  16. ^ Microsoft HoloLens: Partner Spotlight with Case Western Reserve University. Microsoft. 8 July 2015. Retrieved 9 July 2015.
  17. ^ Orland, Kyle (9 July 2015). "See for yourself what Microsoft HoloLens' limited field-of-view looks like". Ars Technica. Condé Nast. Retrieved 9 July 2015. Even this video only gives a partial impression of just how limited the effect is. That's because the aspect ratio of the video window itself cuts off a large part of the peripheral vision you have when using HoloLens in real life.
  18. ^ a b Dingman, Hayden (18 June 2015). "Microsoft's augmented reality Halo is breathtaking, but HoloLens still needs work". PCWorld. Retrieved 28 June 2015. I don't know what the field of view is on HoloLens, but if the Oculus Rift/HTC Vive have a "looking at the world through ski goggles" feel on occasion, then HoloLens is like looking at a cell phone screen someone held up five feet in front of your face. Or like peering at the world through the slit of a welding mask.
  19. ^ a b Kreylos, Oliver (1 May 2015). "On the road for VR: Microsoft HoloLens at Build 2015, San Francisco". Doc-Ok.org. Retrieved 17 June 2015. As I was stripped of all devices and gadgets before being allowed into the demo room, I had to guesstimeasure it by covering the visible screen with my hands (fingers splayed) at arm's length, ending up with 1 3/4 hands horizontally, and 1 hand vertically (in other words, a 16:9 screen aspect ratio) (see Figure 1). In non-Doc-Ok units, that comes out to about 30° by 17.5° (for comparison, the Oculus Rift DK2′s field of view is about 100° by 100°).
  20. ^ Fenlon, Wes (21 January 2015). "Microsoft HoloLens hands on: the promise and disappointment of AR". PC Gamer. Retrieved 2 May 2015. The Microsoft HoloLens is not what I think of when I hear the word "hologram." What Microsoft calls holograms, most of us have been calling augmented reality for years—overlaying digital images over our view of the real world.
  21. ^ Robertson, Adi (1 May 2015). "Microsoft's HoloLens is new, improved, and still has big problems". The Verge. Retrieved 2 May 2015.
  22. ^ Kreylos, Oliver (18 August 2015). "HoloLens and Field of View in Augmented Reality". Doc-Ok.org. Retrieved 23 August 2015. Initially, there was little agreement among those who experienced HoloLens regarding its field of view. That's probably due to two reasons: one, it's actually quite difficult to measure the FoV of a headmounted display; and two, nobody was allowed to bring any tools or devices into the demonstration rooms.
  23. ^ Statt, Nick (1 May 2015). "Our inside look at Microsoft's HoloLens leaves us wanting more". CNET. Retrieved 28 June 2015. The most noticeable differentiator with the HoloLens right now is that your field of view is limited, resembling a rectangle the size of a sheet of printer paper held a half a foot in front of your face.
  24. ^ Crecente, Brian (16 June 2015). "HoloLens' Project X-Ray delivers a first-person augmented reality shooter". Polygon. Retrieved 28 June 2015. The virtual screen was about the size of a deck of cards if you held it in front of your eyes with your arm half-extended.
  25. ^ Jeff Gerstmann, Phil Spencer, Kudo Tsunoda (16 June 2015). Giant Bomb LIVE! at E3 2015: Day 01. Event occurs at 3:13:06. Retrieved 4 July 2015. the hardware we have now [...] the field of view isn't exactly final, but I wouldn't say it's going to be [...] hugely, noticeably different, either.


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