The standard used for broadcast television in the U.S., whose resolution is 525 horizontal lines at 30 frames per second. To write on the fly means to write directly from source data to CD data without first writing a disc image . A special area near the center of the recordable disc. Before writing a track on a disc, the CD recorder must adjust the amount of power applied to the writing laser to an optimum level for each individual disc. The optimum calibration area is reserved for this purpose.
Packets can be of fixed or variable length .
Adaptec's DirectCD software requires packet writing. For more information . PAL Phase Alteration by Line. The standard used for broadcast television in much of Europe and Asia, with a resolution of 768 pixels x 576 horizontal lines at 25 frames per second. PCA Power Calibration Area.