Very much so. I-MOV yi-QuickTime, i-Apple-esemthethweni, nekhaya eliqhelekileyo le-ProRes nevidiyo ye-alpha-channel engayithuthi i-MP4. That determines both the headroom available and whether the saving costs you anything in fidelity.
Yes — I-MOV inokuthwala i-ProRes kunye nesiqhagamshelanisi se-alpha esinyanzelekileyo, ngoko ke ukukopela kwakhona kwi-H.264 inkangeleko isusa zombini. It is worth knowing before you overwrite an original you might need again.
Yintoni impazamo eqhelekileyo xa uxinzelela MOV videos?