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:
Dec. 21, 2021
Filed:
May. 29, 2020
Beijing Xiaomi Intelligent Technology Co., Ltd., Beijing, CN;
Haining Hou, Beijing, CN;
Beijing Xiaomi Intelligent Technology Co., Ltd., Beijing, CN;
Abstract
A method for processing audio signal includes that: audio signals emitted respectively from at least two sound sources are acquired through at least two microphones to obtain respective original noisy signals of the at least two microphones; sound source separation is performed on the respective original noisy signals of the at least two microphones to obtain respective time-frequency estimated signals of the at least two sound sources; a mask value of the time-frequency estimated signal of each sound source in the original noisy signal of each microphone is determined based on the respective time-frequency estimated signals; the respective time-frequency estimated signals of the at least two sound sources are updated based on the respective original noisy signals of the at least two microphones and the mask values; and the audio signals emitted respectively from the at least two sound sources are determined.