公开(公告)号：US20210074310A1

公开(公告)日：2021-03-11

申请号：US16785480

申请日：2020-02-07

Applicant: Apple Inc.

Inventor： Nicholas J. BRYAN ,  Qing YANG ,  Vasu IYENGAR

IPC: G10L21/0216 ,  H04R3/00

Abstract: A device implementing a system for mitigating noise includes at least one processor configured to receive a first audio signal corresponding to a first microphone, and determine whether wind noise is present based at least in part on the first audio signal. The processor is configured to select, based on the determining, a second audio signal from between second and third microphones. The second microphone is disposed at a location that experiences less echo coupling when the device is in a particular orientation with respect to a user. The third microphone is disposed at another location that experiences less wind noise. The processor is configured to determine voice and noise reference values based on the first and the selected second audio signals, and perform noise suppression with respect to at least one of the first or the selected second audio signal, based on the voice or the noise reference value.