Assistant Publications Manager
Reading, England
£30000-£30000
Digital Sales Executive
London
Competitive + bonus
Multimedia Producer
Central London
OK
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Digital glossary
- Embedded
Contained in the file and not requiring external resources.
- Workflow
Structure of information and material exchanges.
- RGB
Red Green Blue, a general description of a separation colour space.
- CMYK
Cyan Magenta Yellow Black (Key). Inks for four-colour printing.
- Preflight checking
Checking PDF files before or on receipt of delivery transmission or use.
- CIE
Commission Internationale de l'Eclairage - the body responsible for colour definition.
- LabA
Uniform colour space defined by the CIE.
- Tiff-IT
Particular form of a tagged image file format designed for page assembly.
- PDF
Portable document format which is platform independent.
- CMS
Colour management system.
- Applications
Computer programs used to construct images and its interaction with text.
- Page assembly
Programs used to combine text, graphics and scans.
- Compression
Ability in some cases to reduce the total file size of images.
- OPI
Means of substituting high resolution images with low resolution guides.
- UCR
Replacement of neutral areas on a print with black ink.
- GCR
Replacement of neutral components on a print with black ink. This includes coloured areas.
- Flight control
Term describing the process of verification and validation for files received or manipulated by suppliers to ensure their suitability for transmission and use. Factors should be agreed and specified with particular reference to items such as: document size, resolution, compression, overprinting, trapping, screen ruling, imposition, page size, image area, layout, file naming, bleed, fonts, font sizes, colour space, overprint requirements, trap, resolution, rendering.
- ATM
Acronym for asynchronous transfer mode - a broadband switching technology for transferring large volumes of digital data.
- Bleed
Term used to describe the part of an image which extends over the page boundary so that when the page is guillotined no unprinted margin remains.
- DCS
DCS (version 1 and 2) is the acronym for Desktop Colour Separations. The DCS format was developed by Quark and is an extension to the standard EPS format. DCS is for use in process colour work and allows you to save CMYK separations in a format that can be read by other applications - notably QuarkXpress and Adobe Illustrator. Adobe Photoshop has the option to export pictures in this format. DCS version 1 consists of a group of five files. Four of the files contain the high resolution CMYK information, the fifth, or 'master' file is a low resolution version for picture placement. DCS version 2 format can contain all the information in a single file, it also has the ability to hold more than four colours. Additional solid (or spot) colours may be included with the process set.
- Digital film
Finished data file which is ready for printing and is delivered in a format (such as Tiff-IT) that makes it very difficult for the file content to be edited.
- EPS
MS-DOS file extension used to identify encapsulated postscript files.
- EPSF
Acronym used by Macintosh users to identify encapsulated postscript files.
- GIF
Compuserve's graphic interchange format. A raster, computer graphic file format which incorporates LZW compression. It is popular for web pages because of its small file size.
- ICC
International Colour Consortium, a group of hardware and software companies dedicated to the development of a specification that is operating system independent and provides the digital imaging, printing and related industries with a data format for defining the colour and reproduction characteristics of devices and their related media.
- Imposition
Precise arrangement of (usually) pages into a sequence and layout onto a printing image carrier, so that when the print is folded, bound and guillotined each element of the document is correctly positioned.
- ISDN
Multiple channel ISDN service (minimum eight primary rate channels) for connection via fibre optic cable.
- JPEG
Joint Picture Experts Group. A data compression algorithm named after the group who developed it.
- Native format
Proprietary file format of a given application. A format which is not intended to be opened by any other application and is usually unsuitable for transferring data from one application to another.
- Resolution I/P
Input resolution describes the number of sampling, points per linear measurement, that a device is capable of recording. The higher the input resolution, for a given distance of original, the greater the amount of information that will be captured and the larger the data file will be. It is entirely possible for an image to be scanned with too high an input resolution for a given output requirement. Over sampling does not enhance quality and may well dramatically reduce the efficiency of the system or network trying to handle the file.
- Resolution O/P
The output resolution of a given device describes the number of separate image points, spots, that the device is physically able to write. Office laser printers typically have the ability to write 600 spots per inch. Imagesetters, which write to film, paper, or in some cases plates, have much higher resolutions - 1,200, 2,400 or 3,600 spots to the inch are typical. The output resolution of printers or imagesetters is often referred to in dots per inch (DPI). Sadly this is a highly confusing term as it makes no distinction between the fixed area dot (spot) of the output resolution and the varying area dot used in halftoning. It is common, amongst graphic arts equipment manufacturers, to refer to the smallest elements of their electronic halftone dot generators as spots or addressable points. A number of spots together build into a halftone dot. Unfortunately there are text books on the market using the same terminology in reverse.
- RIP
Raster Image Processor. A computing device which translates a page description into the particular control commands necessary to drive a raster output device. The output device could be a laser printer, an imagesetter, a digital proofer, a CTP setter or perhaps a digital press.
- Screen ruling
The number of dots per linear inch or centimetre of a given halftone screen.
- Tiff-IT P1
Profile 1 is a simplified compliance set for Tiff-IT which was adopted when TIFF/IT became ISO 12639.
- Trapping
In printing - the intentional overlapping of adjoining coloured areas so as to prevent white paper showing between them in the event that misregister occurs. Not to be confused with ink-trapping! |
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