D
This dictionary covers design, prepress and printing topics.
It was created with the help of Stan Schwartz.
A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z
DAC
Abbreviation for Digital to Analog Convertor
dagger
A footnote reference that is used after the asterisk has been used
DAM
Abbreviation for Digital Asset Management
dampeners
Rollers on offset presses that carry and apply the dampening solution to the printing plate
DAT
Abbreviation for Digital Audio Tape: cassette tape that can be used to store digital information.
data compression
A technique to reduce the amount of data in an image file by removing large amounts of redundant data. This process reduces the storage space and the transmission time required per file.
DB
Abbreviation for Paper Density: the density of paper to the blue filter (yellow channel). This measurement is inversely proportional to a brightness measurement and is, therefore, relative to paper grade.
DBCS
Abbreviation for Double-Byte Character Set: these are actually multi-byte font encodings, a mix of 8-bit and 16-bit characters. Modern writing systems used in the Far East region typically require a minimum of 3k-15k characters.
DC
Abbreviation for Direct Current: the type of electric power that is provided by batteries or a power supply.
DCS
Abbreviation for Desktop Colour Separation. Check the DCS-page for more information
DCT
Abbreviation for Discrete cosine transform: Complex formula used in the JPEG compression algorithm.
DDAP
Abbreviation for Digital Distribution for Advertising for Publications, an approved standard for electronically communicated ad files sent to publishers and printers for reproduction. Named by Dunn Technologies.
DDCP
Abbreviation for Direct Digital Color Proof, a proof produced on a substrate directly from the digital data stored in a picture or page file in a CE’s or desktop computer. A peripheral device utilizing a photographic exposure, dot matrix, electrophotographic thermal transfer or ink jet printer is used to produce the color proof without the need for halftone films. These proofs reduce the need for some of the traditional color proofing materials that are often used during the production cycle.
DDES
Abbreviation for Digital Data Exchange Standards, a set of established protocols, formats and values that allow one vendor’s equipment to communicate with another vendor system. This is an approved ANSI/ISO standard that is used by high-end vendors.
debossing
A strong letterpress impression of an image on the front surface of a sheet of paper. The image is recessed.
debugging
Detecting and correcting defects in hardware or software that halt or alter the intended operation. The process of locating and eliminating defects in the computer program.
default
A standard computer setting designated by the system designer or by the user. The setting is permanent unless specifically changed by the operator. For example, word processing software will, by default, use a 12 point type unless the user changes the type size setting.
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