公开(公告)号：US20250008265A1

公开(公告)日：2025-01-02

申请号：US18705698

申请日：2021-12-09

Applicant: Goertek Inc.

Inventor： ZHONGXU ZHAO

IPC: H04R3/04 ,  H04R1/10 ,  H04R29/00

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.