• A recorder encodes (or burns) data Cassette to CD Recorder onto a recordable CD-R, DVD-R, DVD+R, or BD-R disc (called a blank) by selectively heating parts of an animate dye layer with a laser

• This changes the reflectivity of the dye, thereby creating marks that can be read like the pits and lands on pressed discs.

Because seemly a stable transfer rate for the whole disc is not so important in most contemporary CD uses, to keep the rotational speed of the disc safely flat while maximizing data rate, a pure CLV approach needed to be abandoned. Some drives work in partial CLV (PCLV) scheme, by switching from CLV to CAV only when a rotational curb is reached.