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OSVR HDK2

97 bytes added, 03:15, 17 May 2017
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|Predecessor=[[OSVR HDK1]]
|Successor=
|Display=5.5 inch? OLED
|Resolution=2160 x 1200 (1080 x 1200 per eye)
|Pixel Density=441 PPI
|Refresh Rate=90 Hz
|Persistence=Low persistence
|Field of View=???110 degrees|Optics=???Dual lens
|Tracking=3DOF, 6DOF
|Rotational Tracking=[[Gyroscope]], [[Accelerometer]], [[Magnetometer]]
|Update Rate=Rotational: 400Hz, Positional: 100 Hz
|Latency=??
|Connectivity=???1 external and 2 internal USB 3.0 ports
|Input=???
|Weight=
==Hardware==
The Open-Source Virtual Reality Hacker’s Development Kit (OSVR HDK) 2 is unlike any other virtual reality headset. The HDK2 kit comprises of the headset, belt clip, manuals, box adaptor, the positional tracker with a tripod, and a cluster of connecting cables and cleaning cloth.
 
To begin with, connect the belt clip and the positional tracker to the PC using the USB port. Between the belt clip and the IR camera is a 3.5 mm mini-jack, and fixed to it is the adaptor jack. The VR headset is connected to one side of the belt clip. The belt clip has a spare USB port that can be used to connect accessories like Leap Motion. Among the cables, a 3.5 mm connector for headphones is also provided. Connecting the hardware components might look tedious, but with the manual in hand and little technical understanding, the task can be accomplished without much effort.
===Display===
===Lenses===
HTV [[HTC Vive ]] and [[Oculus Rift ]] use flannel lenses[[fresnel lense]]s; Razer has opted a different system. It uses a dual lens system. Even though the dual lens system isn’t perfect, it’s free from the [[godrays ]] issue. Furthermore, the dual lens system is heavier than the flannel fresnel lenses. The OSVR HDK2 headset has an 110-degree [[FoV ]] (Field of View).
===Infrared Positional Tracking Camera===
Razer’s infrared [[positional tracking ]] camera has a maximum range of 2.4 – 2.7 meters. Although the IR camera of OSVR HDK2 is a good alternative to other tracking cameras, it has certain limitations. The infrared range is sufficient to track standing experiences. The camera’s performance might greatly suffer if the users walk around too much. The infrared LEDs on the rear end of the VR headset allow the camera to capture 360-degree turns.
===Controllers===
The OSVR HDK2 Kit doesn’t come with a controller. Users are free to use any suitable controller with the HDK2 kit. Most developers find the [[Razer Hydra ]] controller a better choice. ==Modules=====Faceplate Module===*The OSVR HDK2 kit comes with an IR camera*The Infrared camera operates at 100 Hz*The v1.4 infrared faceplate provides positional tracking*Some of the other variations included are the IR faceplate with Leap Motion. The Leap Motion tech is used to support natural interactions, like movement of hands===Main board===*The gyroscope, accelerometer, and compass are integrated into the sensor hub *To use accessories an external USB 3.0 is provided*Additionally, for internal expansion 2 USB 3.0 is present*To add extra functionality the main board has been made re-programmable ===Display===*A dual display system with a resolution of 2160 x 1200 has been added*The OLED silver screen is low persistence, has a ppi of 441, and runs at 90 fps*To reduce the screendoor effect OSVR HDK2 has used Image Quality Enhancement technology ===Optics===*Ultra-sharp image display is guaranteed with the high performing dual lens system*HDK2 has a large eye-box to make the headset more comfortable*OSVR ensures faster rendering with color corrected images and low geometric distortion*To cater to the needs of the majority of the users HDK2 uses diopters that cover adjustments from +4.5 to -2 ===HMD Mechanical Module===*The design focuses on comfort and ease of use*Nose bridge with rubber nose inserts, extra padding to reduce pressure on the cheekbone, and bamboo charcoal micro-fiber foam layer makes the headset very comfortable ===Belt Box Module ===*Comes with signal boosters*Surround sound audio codec has been incorporated into the system*Extra USB ports
==Specifications==
|Field of View || 110 degrees
|-
|Optics || ???Dual lens
|-
|Interaxial Distance || Adjustable
| Cost || $399.99
|}
 
==Modules==
===Faceplate Module===
*The OSVR HDK2 kit comes with an IR camera
*The Infrared camera operates at 100 Hz
*The v1.4 infrared faceplate provides positional tracking
*Some of the other variations included are the IR faceplate with [[Leap Motion]]. The Leap Motion tech is used to support natural interactions, like movement of hands
 
===Main board===
*The gyroscope, accelerometer, and compass are integrated into the sensor hub
*To use accessories an external USB 3.0 is provided
*Additionally, for internal expansion 2 USB 3.0 is present
*To add extra functionality the main board has been made re-programmable
 
===Display===
*A dual display system with a resolution of 2160 x 1200 has been added
*The OLED silver screen is low persistence, has a ppi of 441, and runs at 90 fps
*To reduce the screendoor effect OSVR HDK2 has used Image Quality Enhancement technology
 
===Optics===
*Ultra-sharp image display is guaranteed with the high performing dual lens system
*HDK2 has a large eye-box to make the headset more comfortable
*OSVR ensures faster rendering with color corrected images and low geometric distortion
*To cater to the needs of the majority of the users HDK2 uses diopters that cover adjustments from +4.5 to -2
 
===HMD Mechanical Module===
*The design focuses on comfort and ease of use
*Nose bridge with rubber nose inserts, extra padding to reduce pressure on the cheekbone, and bamboo charcoal micro-fiber foam layer makes the headset very comfortable
 
===Belt Box Module ===
*Comes with signal boosters
*Surround sound audio codec has been incorporated into the system
*Extra USB ports
==System Requirements==
==Setup Tutorial==
To begin with, connect the belt clip and the positional tracker to the PC using the USB port. Between the belt clip and the IR camera is a 3.5 mm mini-jack, and fixed to it is the adaptor jack. The VR headset is connected to one side of the belt clip. The belt clip has a spare USB port that can be used to connect accessories like [[Leap Motion]]. Among the cables, a 3.5 mm connector for headphones is also provided. Connecting the hardware components might look tedious, but with the manual in hand and little technical understanding, the task can be accomplished without much effort.
 
After downloading, install the OSVR Server on the PC. Following the installation process and before running the OSVR Server for the first time, the user needs to configure the server in the control panel.
The OSVR Server is the most important element of the whole system. It’s the driving force behind the Runtime Software. It initiates and manages crucial functions such as loading of various plug-ins, communications between the software and hardware, and rendering the pipeline. To use any of the applications, users are supposed to start the OSVR Server first.
Through the control panel of the OSVR Server, a user can perform many functions including enabling the HMD, checking and upgrading the firmware, and adjust various other settings. Additionally, a user can also choose either the direct or extended mode, re-center the HDK2 headset, enter the [[interpapillary distance]], and toggle side by side. When the direct mode is chosen, the software will communicate only with the virtual reality headset, whereas, in the case of the extended mode the VR headset acts as the supplementary display option.
==Software==
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