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KaosMike on 04 April 2016
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cpg716 said:
KaosMike said:
It's most likely the PS4's VR unit, which has a processing module made by AMD. Anything 4K would be embedded in their R&D budget, which is paid for mostly by Sony/MS/Nintendo until it goes into production.

Um. No. The box has no GPU in it..  As stated : The PS4 handles all rendering and processing on its own, and the processing unit cannot be accessed by developers.  It does these things:

  • powers 3D audio
  • enables the social screen (VR gameplay displayed on TV for observers and other players)
  • enables a totally separate stream of audio and video to the TV
  • displays the PS4 interface and 2D content in Cinematic Mode
Thats it..  

Read my comment again.  Did I say 'GPU' anywhere?  The module does all the things you have mentioned, possibly offloading audio processing from the PS4 itself, and thereby freeing up some cpu [not gpu] power for VR.  The others are for processing video outputs to different screens and modes it seems like.  

http://www.amd.com/en-us/innovations/software-technologies/enhanced-media/trueaudio

  • A dedicated digital signal processor (DSP) is built in to the AMD GPU core. That’s a hefty dose of processing power committed just to generating immersive soundscapes. That doesn’t just enable new and exciting audio features in games; it also saves CPU cycles that can be used for other tasks.

Almost certainly using the above dedicated audio chip.  Or...it could be a small gpu which has this dsp chip integrated into it, as most, if not all AMD gpus have this capability these days.  It is not yet clear, but Im sure that information will be revealed at some point as to what exactly the chip is.

Regardless, this box is the definition of a semi-custom design.

Regards.