举个最简单最直观的例子说明一下原盘和刻录碟的区别——给所有还在纠结刻录的烧友

HHYYTT

抓鬼是扫描和识别成01数字信息，类比word文档
刻录是打印这个word，楼主类比缺陷

HHYYTT

cd扇区不是01这么简单，调制过的，但是是可逆调制算法

HHYYTT

erjinetac 发表于 2021-2-24 19:32
編碼與調制是兩回事
麻煩解釋下調制在哪？

https://en.wikipedia.org/wiki/Eight-to-fourteen_modulation
Eight-to-fourteen modulation (EFM) is a data encoding technique – formally, a line code – used by compact discs (CD), laserdiscs (LD) and pre-Hi-MD MiniDiscs. EFMPlus is a related code, used in DVDs and Super Audio CDs (SACDs).