Basic instruction:
Pimax 4 k VR headsets, refers to the VR headset uses 4 k resolution (3840 * 2160) display panel. Use 4 k high resolution purpose is to solve the problem of the particle are the VR headsets.
Through about the current mainstream graphics performance and game content adaptation, pimax 4 k for the resolution of the input signal can be backwards compatible, we can accept 1 k (1920 * 1080), 2 k (2560 * 1440) of the input signal, when the resolution of the input signal is less than 4 k, video processing module in headset will be higher order interpolation operation, all the signal upscale to 4 k resolution first, and then drive to the screen of a 4 k.
It is said that whatever the resolution of the input signal, Pimax 4 k always process into 4 k resolution, finally to 4 k resolution physical pixels to display, so as to solve the problem of grain feeling.
Picture 1. How does Pimax connect to computer
Pimax is connected to PC by USB and HDMI
Picture 2. How does signal show on Pimax
Picture 3. Pimax receive and manage the signal
Pimax 4 k VR in 4 k screens and HDMI input increased between separate video processing module, after video processing module is always displayed in 4 k. Input signal backward compatibility before video processing module, Internal testing can accept the following three kinds of signal: 1. 1 k / 60/75 60/75 hz 2. 2 k 60/75 hz 3. 4 k 60 hz (compression for 4 k 30 hz). If the input signal resolution is lower than 4 k, video processing module do the higher order interpolation processing, to ensure the output to the screen resolution is always 4 k. Limited and graphics processing power and drive layer support (cannot bring 4 k signal compression for 4 k 30 hz) and HDMI1.4 b port, also led to the current graphics display abnormal situation occurs on 4 k output. So set Pimax to directly by the graphics card also can appear when maximum resolution display abnormal situation.
Picture4. The processing project of 4K 60Hz
In order to break through the interface bandwidth limitation of HDMI 1.4 B, we first compress 4 k of 60 hz signal source, and then transmits the VR headsets via HDMI 1.4 B, VR headsets receive compressed signal flow, reverse decompression again, then restore 4 k of 60 hz signal, the compression and decompression is nondestructive, not lower the quality of the game content, but need graphics bottom-driver’s support and adaptation.