不会。CHD采用无损压缩技术，您随时可以使用 chdman extractdvd 命令将CHD文件还原为原始ISO，获得与原始文件完全一致的镜像。压缩过程中不会丢失任何游戏数据。

: Unlike older compression methods (like .CSO), CHD allows for fast seeking, meaning games load just as quickly as—and sometimes faster than—their uncompressed counterparts.

The true brilliance of the CHD format lies in its intelligent, specialized approach to data compression. By understanding what happens inside a CHD file, you can see why it quickly became the gold standard for PS2 game storage.

Large RPGs with vast audio and video data.