In short, the second-gen PU we'll find in the final retail PSVR package carries over all of the features of the initial developer model - such as handling the social screen - but adds key functionality, such as 3D audio. It displays PS4's system software interface in cinematic mode, handling the display of traditional 2D content.We're told that this was "an innovation that came quite late" in the development of the system. It's sent compressed to the PU and then uncompressed by the device and sent to the screen. "Separate mode" - a completely separate audio and video stream you can send over to TV, as opposed to the mirrored social screen. Quality is lost in this process, so it scales the image up and crops it so you don't see edges. it displays the social screen - undistorting the VR output for display on TV.It carries out object-based 3D audio processing ("really good and important to VR").So here's the breakdown on what tasks the device does actually carry out: Some of these features are crucial to the experience, while others actually offer exciting, brand new gameplay opportunities. And it is capable of carrying out a number of functions, some of which we were not previously aware of. However, the fact is that the PU (processing unit, as Norden called it) is actively cooled, suggesting some measure of computational power. "The PS4 is perfectably capable of 120Hz all on its own," said Norden, emphasising that the main game rendering and processing is all carried out by the main console. It's not directly accessible by the developer in any way - code cannot be written to it.It's not any form of PS4 expansion or upgrade.In the wake of its GDC 2016 announcements of price-point, release date and headline software, Sony has begun to reveal more of the inner workings of PlayStation VR, starting with key information on what tasks its mysterious external processor box actually carries out.Īt a Sony presentation, senior staff engineer Chris Norden, spelled out the basics, beginning with what the processor unit doesn't provide in the wake of speculation following our December article on the device:
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