As video is more and more used as a way of showcasing in the digital world, it is important to understand a crucial practice related to videos, which is compression.
Every video has got two formats: the file format and the video format.
The former contains the video itself, the latter is the compression applied to it. Consequently, the video format is what controls the quality of the final file.
It it important that a designer understands compression in order to perform many actions; for example to share a video through a network, it should not be too heavy, because it would take a long time to be downloaded and it would take up a lot of memory space. In this case the solution would be a compression technique which would eliminate redundant data information.
I have exported the same video with different video formats; The video is a section of a time-lapse I created from the inking of one of my illustrations.
The first is an uncompressed 24-bit RGB format, the second is an MPEG-4 Video format. Can you appreciate the differences?
Uncompressed format: https://www.dropbox.com/s/tnw5chs75n9mngo/attempt1.mov?dl=0
MPEG-4 format: https://www.dropbox.com/s/xwt6clrkfkhne3j/attempt2.mov?dl=0
It can definitely be spotted in file sizes: the former is 469.5MB the latter is 36.9MB.
Cover image from: http://www.soundonsound.com/techniques/video-compression