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Sensors include head tracking, sound capture and an energy efficient depth camera with 120°×120° field of view.
For processors, in addition to [[CPU ]] and [[GPU]], HoloLens will possess an [[HPU]], [[holographic processing unit]]. HPU is a coprocessor that is dedicated to integrating real world and virtually generated content. It consolidates and processes all the data from various sensors and produces a thin stream of useful information to the other processors. HPU removes the burden of handling heavy external data from the CPU and GPU, allowing them to focus on creating content.
[[HPU ]] - processes all of the data from its sensors, depth camera, microphone etc.
The field of view where the holograms appear is quite small, estimated to be 30° by 17.5°.
