The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2013
Filed:
Jan. 20, 2010
Applicants:
Pierre Moulin, Champaign, IL (US);
Lilly Canel-katz, Clayton, MO (US);
Inventors:
Pierre Moulin, Champaign, IL (US);
Lilly Canel-Katz, Clayton, MO (US);
Assignee:
Koplar Interactive Systems International, L.L.C., St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/20 (2006.01); H04M 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be obtained. The windows may be subject to a periodic boundary condition. A plurality of echo values may be calculated for each of the respective windows. The audio signal may be altered in one or more of the windows using a windowing function and echo values. Additional methods and systems are disclosed.