公开(公告)号：US11595754B1

公开(公告)日：2023-02-28

申请号：US16852203

申请日：2020-04-17

Applicant: Apple Inc.

Inventor： Martin E. Johnson ,  Darius A. Satongar ,  Antti J. Vanne ,  Tomi A. Huttunen

IPC: H04R25/00 ,  H04R1/28 ,  G06F30/10 ,  G06F30/20

Abstract: Audio processing for a headworn device can include obtaining ear geometry of a user. A frequency response or transfer function can be determined, based on the ear geometry of the user and a model of the headworn device, where the frequency response or transfer function characterizes an effect of a path between a speaker of the headworn device and an ear canal entrance of the user on sound. An equalization filter profile can be generated based on the based on the frequency response or transfer function. The equalization filter profile can be applied to an audio signal, and the audio signal can be used to drive the speaker of the headworn device.

公开(公告)号：US20220322024A1

公开(公告)日：2022-10-06

申请号：US17706504

申请日：2022-03-28

Applicant: Apple Inc.

Inventor： Vignesh Ganapathi Subramanian ,  Antti J. Vanne ,  Olivier Soares ,  Andrew R. Harvey ,  Martin E. Johnson ,  Theo Auclair

IPC: H04S7/00 ,  H04R5/04 ,  H04R5/033

Abstract: An audio system and a method of determining an audio filter based on a position of an audio device of the audio system, are described. The audio system receives an image of the audio device being worn by a user and determines, based on the image and a known geometric relationship between a datum on the audio device and an electroacoustic transducer of the audio device, a relative position between the electroacoustic transducer and an anatomical feature of the user. The audio filter is determined based on the relative position. The audio filter can be applied to an audio input signal to render spatialized sound to the user through the electroacoustic transducer, or the audio filter can be applied to a microphone input signal to capture speech of the user by the electroacoustic transducer. Other aspects are also described and claimed.