XDCAM Sony camcorder products that use its Professional Disc (PD) technology, an application of Blu-ray Disc, as the recording medium. The product range includes camcorders, mobile and studio decks which are designed to take advantage of the size, weight, data speed and re-record features of the PD technology. See also: Professional Disc
X'Y'Z' A mathematically defined absolute color space, CIE X'Y'Z', also known as CIE 1931 color space, was created by the International Commission on Illumination (CIE) in 1931. It was not heard much of in the digital media industry until X'Y'Z' was selected by DCI as the color space for digital cinema.