UHD or 4K UHD (BD100) discs are the current standard for Ultra High Definition entertainment. A UHD disc can hold 100GB of data, so you can imagine how superior the quality should be at 4K resolution. If you own several UHD discs, it’s crucial to have backups of them before they wear out. But buying blank UHD discs for duplication is simply not an affordable option. The best option is to use UHD Creator’s burning function to save these UHD discs at a lossless 1:1 ratio.
BD-100
Copy entire 4K UHD Blu-ray discs to ISO files or folders with BD-100 2160p quality. This will be a 1:1 lossless conversion. The quality of the output disc/ISO will be the same as that of the source disc.
BD-66
Copy and compress the entire UHD Blu-ray source to BD66 folder/ISO file with 2160p quality. This is not a lossless conversion, as this output requires compressing the BD-100 media to fit under 66GB of data on the BD66 ISO. In fact, BD66 physical discs do not exist in reality. Yuhan Media uses BD66 to compress BD100 to consume less disc space while retaining 2160p quality. You can burn UHD Blu-ray sources to BD-100 discs if you select BD66 output on the advanced settings panel.
BD-50
Copy and compress entire UHD Blu-ray disc to BD50 disc/folder/ISO file with 2160p quality. It is also not a lossless conversion, since this output requires compressing BD-100 media to fit on a BD-50 disc. And again, the 2160p quality is preserved, so again you probably won’t notice any noticeable quality difference.
BD-25
Copy and compress entire UHD Blu-ray disc to BD-25 disc/folder/ISO file with 2160p quality. This is also not a lossless conversion, since this output requires compressing the BD-100 media to fit on a BD-25 disc. Here the size has been reduced by 4 times from the original disc, so you will notice the difference in quality. However, the 2160p quality is preserved.
If you want to create your own 4K UHD discs and ISOs, then Yuhan UHD Creator is for you. You just need a video in any format, then you can create a UHD ISO or burn a physical disc (BD50 or BD25) using the Yuhan Media burning engine. The only good thing about this Creator is that you can convert almost any format to UHD disc or ISO, and watch the customized UHD disc on your 4K UHD player on the big 4K TV screen. If you are using MKV or M2TS and Dolby Vision or HDR10 compliant video, then you can use the pass-through format, which will equal the original video quality of the output format. This pass-through format only lets you save UHD as ISO, with a BD100 disc configuration. Below is a screenshot of Yuhan UHD Creator.
