Skip to Main Content
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
Compensation of undesired
phase response in a filter is
known as
equalization.
This is
unrelated to the
equalization
pulses that form part of sync.
The terms
nonrecursive
and
recur-
sive
are best used to describe filter
implementation structures.
OUT
Figure 16.22 IIR ("recursive") filter computes a weighted
sum of input samples (here, just 1/4 times the current sample),
and adds to this a weighted sum of previous result samples.
Every IIR filter exhibits nonlinear phase response.
In an IIR filter having
just
one tap, the designer's ability
to tailor frequency response is severely limited. An I IR
filter ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Digital Video and HD, 2nd Edition

Digital Video and HD, 2nd Edition

Charles Poynton

Publisher Resources

ISBN: 9781558607927