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:
Mar. 02, 2021
Filed:
Apr. 19, 2019
Applicant:
Utah State University, Logan, UT (US);
Inventors:
Todd K. Moon, Logan, UT (US);
Jacob H. Gunther, Logan, UT (US);
Assignee:
Utah State University, Logan, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2019.01); H04R 3/02 (2006.01);
U.S. Cl.
CPC ...
H04R 3/02 (2013.01);
Abstract
For canceling acoustic echoing, a processor receives audio signals comprising a speaker output and an ambient input. The processor further calculates separated output signals from mixed signals using a separating transfer function. The processor calculates a criterion function based on the separated output signals. In addition, the processor calculates an acoustic echo transfer function based on maximizing the a criterion function. The processor separates a source signal from the audio signal using the acoustic echo transfer function.