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.
In the digital world, an 8-bit signal provides 256 possible values (0 to 255). 235 mp4
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. Most video (the codec usually inside an MP4