One is theory, second is practice. Here is some discussion about this patent: https://encode.su/threads/3863-RANS-Microsoft-wins-data-encoding-patent https://e

One is theory, second is practice. Here is some discussion about this patent: https://encode.su/threads/3863-RANS-Microsoft-wins-data-encoding-patent https://encode.su/threads/3863-RANS-Microsoft-wins-data-enco...