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. 14, 2021
Filed:
May. 14, 2019
Applicant:
Nanjing Horizon Robotics Technology Co., Ltd., Nanjing, CN;
Inventor:
Changbao Zhu, Nanjing, CN;
Assignee:
Nanjing Horizon Robotics Technology Co., Ltd, Nanjing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L 21/0216 (2013.01); G10L 21/0272 (2013.01);
U.S. Cl.
CPC ...
G10L 21/0216 (2013.01); G10L 21/0272 (2013.01); G10L 2021/02166 (2013.01);
Abstract
A method and an apparatus for reducing noise of mixed signal are disclosed. The method includes: separating a collected mixed signal to obtain a first signal and a second signal; selecting one of the first signal and the second signal as a current reference signal, and the other as a current expected signal; and performing adaptive filtering based on the selected current reference signal and the selected current expected signal. By the method and the apparatus, the noise can be reduced significantly or removed in a case where reference signal cannot be directly obtained from a hardware.