channels to see if it works before settling on an alpha channel and
slowing it down.
- When using compressed footage, YUV colormodels \index{YUV} are usually faster
+ When using compressed footage, YUV colormodels \index{yuv} are usually faster
than RGB colormodels \index{RGB}. They also destroy fewer colors than RGB
colormodels. If footage stored as JPEG or MPEG is processed many
times in RGB, the colors will fade whereas they will not fade if