Video compression is the process of reducing the file size of a video by removing redundant data. An uncompressed video file contains a massive amount of information—essentially thousands of high-resolution images played in rapid succession alongside multi-channel audio. Without compression, a single movie would require terabytes of storage space. Compression falls into two main categories:
: Smooth color gradients, like a sunset or a clear blue sky, separate into distinct, ugly bands of color. highly compressed movies and tv shows