Methods and systems for configuring bone conduction hearing aids

Patent metadata

Field	Value
Publication number	US-2023300544-A1
Application number	US-202318323665-A
Country	US
Kind code	A1
Filing date	May 25, 2023
Priority date	Apr 27, 2021
Publication date	Sep 21, 2023
Grant date	—

Abstract

Disclosed is methods and systems for configuring bone conduction hearing aids. The method may comprise: obtaining hearing loss data of a wearer; determining a reference output parameter of the bone conduction hearing aid at each sound level in each frequency band based on the hearing loss data; obtaining an adjustment value of the reference output parameter at the each sound level in the each frequency band, wherein the adjustment value is at least related to the frequency band; and configuring the bone conduction hearing aid based on the reference output parameter and the adjustment value at the each sound level in the each frequency band.

First claim

1 . A method for configuring a bone conduction hearing aid, comprising:
obtaining hearing loss data of a wearer; determining, based on the hearing loss data, a reference output parameter of the bone conduction hearing aid at each sound level in each frequency band; obtaining an adjustment value of the reference output parameter at the each sound level in the each frequency band, wherein the adjustment value is at least related to the frequency band; and configuring the bone conduction hearing aid based on the reference output parameter and the adjustment value at the each sound level in the each frequency band.

2 . The method of claim 1 , wherein the configuring the bone conduction hearing aid based on the reference output parameter and the adjustment value at the each sound level in the each frequency band includes:
in a frequency band within a range from 0 Hz to 625 Hz, reducing the reference output parameter based on the adjustment value.

3 . The method of claim 1 , wherein the adjustment values are the same at different sound levels in a same frequency band.

4 . The method of claim 2 , wherein in a frequency band within a range from 0 Hz to 625 Hz, the adjustment value is within a range of 1 dB-12 dB.

5 . The method of claim 2 , wherein,
in a frequency band within a range from 0 Hz to 125 Hz, the adjustment value is within a range of 5 dB-12 dB; in a frequency band within a range from 125 Hz to 375 Hz, the adjustment value is within a range of 3 dB-9 dB; or in a frequency band within a range from 375 Hz to 625 Hz, the adjustment value is within a range of 1 dB-6 dB.

6 . The method of claim 2 , wherein,
in a frequency band within a range from 0 Hz to 125 Hz, the adjustment value is within a range of 5 dB-7 dB; in a frequency band within a range from 125 Hz to 375 Hz, the adjustment value is within a range of 3 dB-5 dB; or in the frequency band within a range from 375 Hz to 625 Hz, the adjustment value is within a range of 1 dB-3 dB.

7 . The method of claim 2 , wherein,
in a frequency band within a range from 0 Hz to 125 Hz, the adjustment value is within a range of 10 dB-12 dB; in a frequency band within a range from 125 Hz to 375 Hz, the adjustment value is within a range of 7 dB-9 dB; or in a frequency band within a range from 375 Hz to 625 Hz, the adjustment value is within a range of 4 dB-6 dB.

8 . The method of claim 1 , wherein the adjustment values are different at different sound levels in a same frequency band.

9 . The method of claim 8 , wherein the obtaining the adjustment value of the reference output parameter at the each sound level in the each frequency band includes:
determining a first threshold corresponding to the each sound level in the each frequency band, wherein the first threshold is related to a vibration degree that the wearer senses at the each sound level in the each frequency band; determining a second threshold corresponding to the each sound level in the each frequency band, wherein the second threshold is related to a speech recognition rate of the wearer at the each sound level in the each frequency band; and determining the adjustment value based on the reference output parameter, the first threshold, and the second threshold.

10 . The method of claim 9 , wherein the determining the adjustment value based on the reference output parameter, the first threshold, and the second threshold includes:
for a reference output parameter at a certain sound level of the each sound level in a certain frequency band of the each frequency band: obtaining a comparison value by subtracting the first threshold from the reference output parameter; obtaining a first comparison result by comparing the comparison value with the second threshold; and determining the adjustment value corresponding to the reference output parameter based on the first comparison result.

11 . The method of claim 10 , wherein the determining the adjustment value corresponding to the reference output parameter based on the first comparison result includes:
designating the adjustment value as 0 dB when the comparison value is less than or equal to 0; designating the adjustment value as the comparison value when the comparison value is greater than 0 and less than or equal to the second threshold; and designating the adjustment value as the second threshold value when the comparison value is greater than the second threshold.

12 . The method of claim 9 , wherein in a frequency band within a range from 0 Hz to 125 Hz, the first threshold is within a range of 48 dB-52 dB;
in a frequency band within a range from 125 Hz to 375 Hz, the first threshold is within a range of 49 dB-54 dB; or in a frequency band within a range from 375 Hz to 625 Hz, the first threshold is within a range of 50 dB-55 dB.

13 . The method of claim 9 , wherein in a frequency band within a range from 0 Hz to 125 Hz, the second threshold is within a range of 5 dB-10 dB;
in a frequency band within a range from 125 Hz to 375 Hz, the second threshold is within a range of 3 dB-7 dB; or in a frequency band within a range from 375 Hz to 625 Hz, the second threshold is within a range of 1 dB-4 dB.

14 . The method of claim 1 , wherein the configuring the bone conduction hearing aid based on the reference output parameter and the adjustment value at the each sound level in the each frequency band includes:
configuring the bone conduction hearing aid based on the reference output parameter and the adjustment value at the each sound level in the each frequency band using a multi-channel wide dynamic range compression system.

15 . The method of claim 14 , wherein the obtaining the adjustment value of the reference output parameter at the each sound level in the each frequency band includes:
determining a second comparison result by comparing the reference output parameter with the first threshold, wherein the first threshold is related to a vibration degree that the wearer senses at the each sound level in the each frequency band; and determining the adjustment value corresponding to the reference output parameter based on the second comparison result.

16 . The method of claim 15 , wherein the adjustment value includes a gain reduction value of the multi-channel wide dynamic range compression system when at least one sound level of the each sound level is greater than a sound level threshold; and the determining the adjustment value corresponding to the reference output parameter based on the second comparison result includes:
designating the gain reduction value as 0 dB when the reference output parameter is less than or equal to the first threshold; and designating the gain reduction value as a difference between the first threshold and the reference output parameter when the reference output parameter is greater than the first threshold.

17 . The method of claim 15 , wherein the adjustment value includes a reduction value of an output limit of the multi-channel wide dynamic range compression system when at least one sound level of the each sound level is greater than a sound level threshold; and the determining the adjustment value corresponding to the reference output parameter based on the second comparison result includes:
designating the reduction value of the output limit as 0 dB when the reference output parameter is less than or equal to the first threshold; and designating the reduction value of the output limit as a value greater than 0 dB when the reference output parameter is greater than the first threshold.

18 . (canceled)

Assignees

• Shenzhen Shokz Co Ltd

Inventors

• Yan Bingyan
• Li Bocheng
• Tang Huifang
• Liao Fengyun
• Qi Xin

Classifications

• H04R25/356 Primary

  Amplitude, e.g. amplitude shift or compression · CPC title

• H04R25/35 Primary

  using translation techniques · CPC title

• H04R25/50 Primary

  Customised settings for obtaining desired overall acoustical characteristics · CPC title

• H04R25/70

  Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting · CPC title

• H04R25/606

  acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window · CPC title