If you need to deliver a file directly from a camera without editing, 16-235 is often the safer "necessary" choice to ensure it looks correct on all displays immediately.
The standard for most compressed video distribution, including MP4. Here, 16 is defined as "Reference Black" and 235 as "Reference White". Why Does MP4 Use 16-235? 235 mp4
Most video (the codec usually inside an MP4 file) defaults to limited range for archival and YouTube distribution. This standard originated from analog television, where "footroom" (0-15) and "headroom" (236-255) were reserved to prevent signal interference or "clipping" at extreme ends of the spectrum. If you need to deliver a file directly
Typically used by PCs and digital cameras for internal processing. It uses the entire spectrum, where 0 is absolute black and 255 is absolute white. Why Does MP4 Use 16-235