It is essentially real-time swapping out new textures, and as we can see above, also applies to remastered audio clips as well. ![]() The benefit of this operation is that this means remasters can be done without touching the underlying software that could accidentally ‘break’ things. ![]() When the game software is played, the high-res assets are called out by the emulator engine instead of the original low-res textures in the software. What occurs during the emulation of the PSP game is that each of the assets in the original version is redrawn at a higher resolution, but the assets are then stored in the emulator engine using the same identifiers as the original assets. The patent is called ‘Remastering by Emulation’, and describes the process behind how PaRappa the Rapper uses the PSP version as a base. A newly published patent that was applied for by Sony Interactive Entertainment America reveals how it was done. Earlier this month, it was reported by Ars Technica that hackers found that PaRappa the Rapper Remastered was in fact emulated from the PSP version.
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