Professional Disc (PFD) is a digital recording optical disc format introduced by Sony in 2003 primarily for XDCAM, its new tapeless camcorder system. It was one of the first optical formats to utilize blue laser, which allowed for higher density of data to be stored on optical media compared to infrared laser technology used in the CD and red laser technology used in the DVD format.
Read more about Professional Disc: Technology, Disc Sizes
Famous quotes containing the words professional and/or disc:
“The belief that there are final and immutable answers, and that the professional expert has them, is one that mothers and professionals tend to reinforce in each other. They both have a need to believe it. They both seem to agree, too, that if the professional’s prescription doesn’t work it is probably because of the mother’s inadequacy.”
—Elaine Heffner (20th century)
“Perhaps all music, even the newest, is not so much something discovered as something that re-emerges from where it lay buried in the memory, inaudible as a melody cut in a disc of flesh. A composer lets me hear a song that has always been shut up silent within me.”
—Jean Genet (1910–1986)