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:
Sep. 13, 2016
Filed:
Jun. 15, 2012
Xingbo LI, Shenzhen, CN;
Faguo Xu, Shenzhen, CN;
Ting Liu, Shenzhen, CN;
Qing MA, Shenzhen, CN;
Xiaoliang LI, Shenzhen, CN;
Xingbo Li, Shenzhen, CN;
Faguo Xu, Shenzhen, CN;
Ting Liu, Shenzhen, CN;
Qing Ma, Shenzhen, CN;
Xiaoliang Li, Shenzhen, CN;
ZTE Corporation, Shenzhen, Guangdong Province, CN;
Abstract
Provided are a method and device for eliminating echo. The method comprises: an echo path characteristic parameter of an echo signal is estimated; a source signal of the echo signal is taken as a reference signal, and an echo estimation signal is generated according to the echo path characteristic parameter; and the echo estimation signal is subtracted from a speech signal to be processed. The disclosure solves the problem in the related art that self-adaptation cannot be achieved when a returned near-end audio is suppressed, thus facilitating the enhancement of the speech quality of a conference and the improvement of user experience.