公开(公告)号：US20210349681A1

公开(公告)日：2021-11-11

申请号：US17227233

申请日：2021-04-09

Applicant: Apple Inc.

Inventor： Tyrone T. Chen ,  Joseph M. Williams ,  Juan C. Martinez Nieto ,  Tony S. Verma

IPC: G06F3/16 ,  H04R1/10

Abstract: A method performed by an audio source device. The method obtains an input audio signal and determines a sound output level of a headset based on the input audio signal, a user volume setting, and a sound output sensitivity of the headset. The method determines whether the sound output level is above a threshold. In response to determining that the sound output level is above the threshold, a scalar gain is applied upon the input audio signal to produce an output audio signal for output by the headset.

公开(公告)号：US20200380945A1

公开(公告)日：2020-12-03

申请号：US16871661

申请日：2020-05-11

Applicant: Apple Inc.

Inventor： John Woodruff ,  Tom-Davy W. Saux ,  Vladan Bajic ,  Vasu Iyengar ,  Andrew E. Greenwood ,  Tyrone T. Chen ,  Jakub Mazur ,  Tony S. Verma

IPC: G10K11/178

Abstract: An audio system has an ambient sound enhancement function, in which an against-the-ear audio device having a speaker converts a digitally processed version of an input audio signal into sound. The audio system also has an acoustic noise cancellation (ANC) function that may be combined in various ways with the sound enhancement function, and that may be responsive to voice activity detection. Other aspects are also described and claimed.