Microsoft Reveals Additional Details About HoloLens and Begins to Take Pre-Orders

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Microsoft this week began to accept applications for pre-orders for its HoloLens augmented reality device. Right now, the company offers HoloLens only to software developers looking to build applications for this new environment.Interested developers will have to pay $3000 per unit for this development kit, which is a hefty sum. Moreover, additional technical specifications of HoloLens revealed by Microsoft give us a bit of insight into what is inside this augmented reality wearable.
The Microsoft HoloLens is custom-built wearable personal computer running Windows 10 operating system. The HoloLens is based on an undisclosed 32-bit Intel processor and a custom-designed Microsoft holographic processing unit (HPU) that processes data from multiple sensors. In fact, the list of HoloLens’ sensors is very impressive: the device features one 2 MP video camera, an inertial measurement unit (which means, a set of accelerometers, gyroscopes and maybe even a magnetometer), one depth camera, four environment understanding cameras, four microphones, an ambient light sensor as well as mixed reality capture IC. Since the mixed-reality headset does not use any markers or extra cameras to track movement that are located outside of itself, a sophisticated set of sensors inside it is absolutely required.The HoloLens can track gaze, understand gestures and voice commands thanks to its sensors and underlying software.
The device is equipped with 2 GB of RAM (1GB for the processor and 1GB for the HPU) as well as 64 GB of NAND flash storage. The HoloLens can connect to the Internet or other devices using Wi-Fi 802.11ac and Bluetooth 4.1 LE wireless technologies. In addition, the device is equipped with a Micro-USB 2.0 port, a 3.5 mm audio jack and a surround sound system. The HoloLens can operate for two or three hours on one charge, which is not a lot, but its unlikely you would be wearing this around for a work day. It can also charge while in use, tethering it somewhat but allowing developers to test applications on it as they work.
The AR headset from Microsoft uses its advanced sensors to track the position and orientation of the user's head relative to their surroundings. The system attempts to predict position where the user's head will be in at the exact moment and applies holograms accordingly. Microsoft makes a number of recommendations to software makers how to ensure that the hologram is added to the right place at the right time, but the system constantly monitors not only data from sensors, but also adjusts the length of the rendering pipeline.

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