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:
Apr. 21, 2026
Filed:
Dec. 09, 2021
Goertek Inc., Weifang, CN;
Zhongxu Zhao, Shandong, CN;
Goertek Inc., Weifang, CN;
Abstract
A far-field muffling self-calibration method for an electronic device is disclosed, comprising: controlling the first speaker and the second speaker to play a first audio; obtaining a first frequency response curve through a sound signal acquired by the first microphone; judging whether a far-field muffling for the electronic device is qualified based on the first frequency response curve; if not qualified, adjusting a first transfer function and/or a second transfer function based on a first preset calibration rule, and returning to execute said controlling the first speaker and the second speaker to play the a same first audio; wherein the first and the second transfer functions represent sound signal transfer functions respectively from the first speaker and the second speaker to the first microphone.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile