Dolby Vision S10 Engine.
By selecting this option, HDR content is processed by the VS10 engine to properly match your High Dynamic Range (including Dolby Vision capable ones) or SDR display. There is also a note in the menu description stating:
“This option support Dolby Vision standard mode and is recommended when playing HDR or Dolby Vision content on non-HDR devices.”
Well, the note is correct. Aside from demo, showcasing video files, most of your 4K movie backups should be encoded either in HDR(10) or in Dolby Vision format. As per usual, the latter includes the HDR(10) information in case your high dynamic range display does not support Dolby Vision. We should point out that the VS10 engine will only read the HDR information of your file, and not the Dolby Vision one, even if existing. By enabling this option, you will immediately realize that your display entered in its High Dynamic Range mode. Yes, even in the navigation menus! (screen gets brighter)
While browsing to get to the file explorer, we noticed a small delay in the screen transitions, meaning that the vS10 engine was indeed trying its best to apply a “per scene” high dynamic range setting based on its A.I.
Actual movie viewing encoded with Dolby Vision, and processed by VS10 engine, confirmed the menus’ description. Although there was nothing particularly bad regarding the colors of the projected image, we noticed that it was flatter, and less punchier compared to the same disc’s HDR mode playback. More than 4 test files were used, with the same results across the board. Of course, this can be heavily title-dependant. The VS10 engine performed its best when playback occurred in SDR displays. This means more options for a Dolby certified outcome for projector owners.
2. Dolby Vision Low Latency (LLDV, YUV422,12Bit)
This option works on Dolby Vision displays allowing SDR content to be processed and then converted to Dolby Vision. In simple words, SDR – > HDR Dolby Vision. The end result is impressive, considering the total lack of any high dynamic range information, but we would rather have the processing power reserved for better upscaling. Still, no complaints whatsoever.
Zidoo has confirmed that they are working on the SDK, and developing Dolby Vision support for MKV containers regarding profiles 4,5,8 & 9. Good stuff!