Compression
DCT was a pioneer: it was the first digital videotape with data compression, which made the files smaller to save space. The specific technique that is used to compress was called “discrete cosine transform”, or short: DCT. Now you also know the origin of the name.
Would you like to know more about the tape you are holding? Read on quickly:
Did yu know …
… that DCT was also used as a backup for servers and other IT-systems?