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.

Date of Patent:
Nov. 10, 2026

Filed:

Jul. 17, 2024
Applicant:

Tencent America Llc, Palo Alto, CA (US);

Inventors:

Hao Zhang, Columbus, OH (US);

Meng Yu, Palo Alto, CA (US);

Dong Yu, Palo Alto, CA (US);

Assignee:

TENCENT AMERICA LLC, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 21/0232 (2013.01); G10L 25/18 (2013.01); G10L 25/30 (2013.01); G10L 21/0216 (2013.01);
U.S. Cl.
CPC ...
G10L 21/0232 (2013.01); G10L 25/18 (2013.01); G10L 25/30 (2013.01); G10L 2021/02163 (2013.01);
Abstract

A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into frequency-domain Kalman filter (FDKF), input the audio signal and an output from the FDKF into a neural network, estimate, based on the audio signal and the output from the FDKF, and removing feedback signals from the audio signal by the neural network, and output a version of the audio signal in which a target vocal signal is enhanced by removal of the feedback signals from the audio signal by the neural network.


Find Patent Forward Citations

Quick Actions:

Zhang, Hao. (2026). Neural network-based method for playback vocal and music cancellation in hands-free karaoke systems (U.S. Patent No. 12793731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12793731

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