Four-color fundamentals; your guide to spot color, process color, and the ABC's of CMYK

Article Abstract:

Colors printed in magazines are reproduced using three industry-standard colors plus black. The four inks can reproduce an unlimited variety of shades. Halftone dots on the paper are blended by the eye to look like one continuous tone. Offset letterpress used in newspapers has from 85 to 100 dots per inch (dpi) resolution. Four standard colors are cyan (greenish-blue), magenta (hot pink), yellow and black. Desktop publishers can use one of three methods to deal with color jobs: total traditional, semi-traditional and total desktop. A state-of-the-art option gives users the means to do the total job on the desktop. A large investment in the latest technology includes purchase of a 24-bit color slide scanner ($10,000 to $20,000). Expertise gained through years of experience with color separation cannot be purchased. Users need an understanding of color photography and the limitations of color printing.

Quality control, Printing industry, Screens (Separation), Comparison, Screens, Offset Printing, State-of-the-Art

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Putting the big squeeze on bulky color files: a new industry standard and the C-Cube chip will cut your color files down to size

Article Abstract:

C-Cube Microsystems has developed the C-Cube CL550 chip, an image compression processor based on the color-image compression standard of the Joint Photographic Experts Group (JPEG). The CL550 can squeeze still images and video to 5 percent of their original size, without degrading image quality, by discarding redundant color information. A full-color 25Mbyte image can be compressed to 1Mbyte in one second. Incorporating the CL550 into various products will save users both time and money. Source code version of JPEG compression algorithms are now available to software developers, and both Intel and Sony-Philips are developing their own standards for full motion and still image compression hardware. Swift advances in color desktop publishing, digital photography, and multimedia production are anticipated.

Semiconductors and related devices, Usage, Integrated circuits, Microprocessor, Product information, CPUs (Central processing units), C-Cube Microsystems Inc., Data compression, C-Cube Microsystems CL550 (Integrated circuit)

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The revolution in color

Article Abstract:

Desktop publishing products that use color will become cheaper and easier to use in the years to come. Purchases of such color products as monitors, plotters, video cards, and software are expected to grow from an estimated $729 million in 1988 to $2.4 billion by 1991. Most new color systems are expected to use Apple Macintosh IIs or IBM PCs. Full-color desktop publishing is already possible on such printers as the QMS Colorscript 100 ($24,495), but by 1993 complete systems that interface with the Scitex color prepress system should be available for under $10,000.

Display adapters, Plotters, column, Trends, Market Analysis, Monitors, Plotter, Graphics System, Enhancements, Graphics Accelerator/Display Board

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