Embedding supplementary data in an information signal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 29, 2009
Grant Date -
Dec 23, 2004
app pub date -
Oct 28, 2002
filing date -
Nov 16, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is a method of adjusting a supplementary data signal (wm(n)) to be embedded in an information signal (x(n)), for example an audio signal. The method comprises the steps of determining (301) a position where a predetermined property of the information signal exceeds a predetermined threshold, e.g. an attack position, and suppressing (302) the supplementary data signal in a predetermined neighbourhood of the determined position.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully