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Digital Video and HD
book

Digital Video and HD

by Charles Poynton
January 2003
Intermediate to advanced content levelIntermediate to advanced
736 pages
30h 54m
English
Morgan Kaufmann
Content preview from Digital Video and HD
Quantization
2
Resolution
properly refers to
spatial phenomena; see page 65.
It is a mistake to refer to a sample
as having 8-bit resolution: Say
quantizatJon
or
precision
instead.
To make a 100-foot-long fence with
fence posts every 10 feet, you need
11 posts, not ten[ Take care to
distinguish
levels
(in the left-hand
portion of Figure 2.1, eleven) from
steps
or
risers
(here, ten).
A signal whose amplitude takes a range of continuous
values is
quantized
by assigning to each of several (or
several hundred or several thousand) intervals of ampli-
tude a discrete, numbered level. In
uniform quantiza-
tion,
the
steps
between ...
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Publisher Resources

ISBN: 9781558607927