In my editor (Sony Vegas Pro) in the project properties I have an option called Pixel Format- The choices are: - 8 Bit - 32 Bit Floating Point Video Levels - 32 Bit Floating Point Full Range  (I included a screengrab to elaborate) What does those mean? Should I care or just leave at the 8 Bit default setting? (by the way, if that is related, I am editing 4K Motion Jpeg files from the Canon 1DC which are 8-bit 4:2:2 color)  And my second question, whilst we're at it, also what does the