公开(公告)号：US11895467B2

公开(公告)日：2024-02-06

申请号：US18096961

申请日：2023-01-13

Applicant: Starkey Laboratories, Inc.

Inventor： Wenyu Jin ,  Henning Schepker

IPC: H04R29/00 ,  H04R25/00

CPC classification number: H04R29/00 ,  H04R25/305

Abstract: Secondary path measurements and associated acoustic transducer-to-eardrum responses are obtained from test subjects. Both a least squares estimate and a reduced dimensionality estimate are determined that both estimate a relative transfer function between the secondary path measurements and the associated acoustic transducer-to-eardrum responses. An individual secondary path measurement for a user is performed based on a test signal transmitted via a hearing device into an ear canal of the user. An individual cutoff frequency for the individual secondary path measurement is determined. First and second acoustic transducer-to-eardrum responses below and above the cutoff frequency are determined using the individual secondary path measurement and the least squares estimate. A sound pressure level at an eardrum of the user can be predicted using the first and second receiver-to-eardrum responses.

公开(公告)号：US20230300516A1

公开(公告)日：2023-09-21

申请号：US18017072

申请日：2021-07-12

Applicant: STARKEY LABORATORIES, INC.

Inventor： Terence Betlehem ,  Wenyu Jin

IPC: H04R1/10 ,  G10L21/0224 ,  G10K11/178 ,  H04R25/00

CPC classification number: H04R1/1083 ,  G10L21/0224 ,  G10K11/17854 ,  H04R25/505 ,  G10K11/17817 ,  H04R2460/01 ,  G10K2210/1081 ,  G10K2210/30232

Abstract: An ear-wearable device is operable to receive a reference signal from outside an ear canal of a user and an error signal from inside of the ear canal. A physical propagation path between the outside and inside of the ear canal defines a primary path, and amplified sound produced inside of the ear canal propagates over a secondary path to combine with direct noise at the ear canal. A noise signal inside the ear canal is estimated from the reference signal based on estimate of the primary and secondary paths. The estimated noise signal and the error signal are used to produce coefficients of an adaptive filter. The adaptive filter is used to produce an anti-noise signal, which is used actively cancel noise in the ear canal.

公开(公告)号：US20230224653A1

公开(公告)日：2023-07-13

申请号：US18096961

申请日：2023-01-13

Applicant: Starkey Laboratories, Inc.

Inventor： Wenyu Jin ,  Henning Schepker

IPC: H04R29/00 ,  H04R25/00

CPC classification number: H04R29/00 ,  H04R25/305

Abstract: Secondary path measurements and associated acoustic transducer-to-eardrum responses are obtained from test subjects. Both a least squares estimate and a reduced dimensionality estimate are determined that both estimate a relative transfer function between the secondary path measurements and the associated acoustic transducer-to-eardrum responses. An individual secondary path measurement for a user is performed based on a test signal transmitted via a hearing device into an ear canal of the user. An individual cutoff frequency for the individual secondary path measurement is determined. First and second acoustic transducer-to-eardrum responses below and above the cutoff frequency are determined using the individual secondary path measurement and the least squares estimate. A sound pressure level at an eardrum of the user can be predicted using the first and second receiver-to-eardrum responses.

公开(公告)号：US20230169987A1

公开(公告)日：2023-06-01

申请号：US17912912

申请日：2021-04-06

Applicant: STARKEY LABORATORIES, INC.

Inventor： Wenyu Jin ,  Tao Zhang

IPC: G10L21/0232 ,  H04R3/04 ,  H04R1/10

CPC classification number: G10L21/0232 ,  H04R3/04 ,  H04R1/1083

Abstract: An ear-wearable electronic device is operable to apply a low-pass filter to the digitized voice signal to remove a high-frequency component and obtain a low-frequency component. Speech enhancement is applied to the low-frequency component. Blind bandwidth extension is applied to the enhanced low-frequency component to recover or synthesize an estimate of at least part of the high frequency component. An enhanced speech signal is output that is a combination of the enhanced low-frequency component and the bandwidth-extended high frequency component.

公开(公告)号：US20220167101A1

公开(公告)日：2022-05-26

申请号：US17490057

申请日：2021-09-30

Applicant: Starkey Laboratories, Inc.

Inventor： Wenyu Jin ,  Henning Schepker

IPC: H04R29/00

Abstract: Secondary path measurements and associated acoustic transducer-to-eardrum responses are obtained from test subjects. Both a least squares estimate and a reduced dimensionality estimate are determined that both estimate a relative transfer function between the secondary path measurements and the associated acoustic transducer-to-eardrum responses. An individual secondary path measurement for a user is performed based on a test signal transmitted via a hearing device into an ear canal of the user. An individual cutoff frequency for the individual secondary path measurement is determined. First and second acoustic transducer-to-eardrum responses below and above the cutoff frequency are determined using the individual secondary path measurement and the least squares estimate. A sound pressure level at an eardrum of the user can be predicted using the first and second receiver-to-eardrum responses.