
stochastic screening
A digital screening process that converts images into very small
dots of equal size and variable spacing. Also referred to as
frequency-modulated (FM) screening.
substrate
Any printing surface to which ink will adhere. Also referred to as
stock.
TIFF
Acronym for Tagged Image File Format. TIFF is a file format used
to describe, store, and exchange bitmap images. TIFF is cross-
platform, highly flexible, and capable of saving a wide variety of
image types, including photographs and illustrations. Most page
makeup and image editing software supports TIFF.
TIFF/IT-P1
Acronym for Tagged Image File Format for Image Technology,
Profile 1. A file format that is similar to TIFF/IT, but provides a
minimized set of options that allows simpler implementation when
the full set of TIFF/IT options is not required.
tint
The percentage value assigned to a dot.
tonal calibration
The act of setting equipment to reproduce tonal values to specified
values on final output such as a proof, press sheet, or plate.
170 Chapter 14—Glossary
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