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CN-122027961-A - Hearing aid fitting method and hearing aid

CN122027961ACN 122027961 ACN122027961 ACN 122027961ACN-122027961-A

Abstract

The application relates to a hearing aid fitting method and a hearing aid. Initializing signal processing parameters of a hearing aid under different frequencies based on attribute data and hearing characteristic data of a user, processing a hearing test signal to be played based on the initialized gains to obtain a processed hearing test signal, wherein the hearing test signal is used for testing the hearing level of the user wearing the hearing aid, playing the processed hearing test signal, determining a hearing test result after hearing aid of the user, adjusting the gains of the hearing aid under different frequencies based on the hearing test result under the condition that the hearing test result represents that the hearing aid does not meet a preset first hearing requirement, and continuously iterating the hearing test based on the adjusted latest gains until the hearing aid meets the preset first hearing requirement. By adopting the method, more accurate hearing aid fitting is realized, so that a better hearing aid effect is achieved.

Inventors

  • LI LEI

Assignees

  • 安克创新科技股份有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (11)

  1. 1. A hearing aid fitting method, the method comprising: initializing signal processing parameters of the hearing aid at different frequencies based on the attribute data and the hearing profile data of the user, the signal processing parameters comprising gain; Processing a hearing test signal to be played based on the initialized gain to obtain a processed hearing test signal, wherein the hearing test signal is used for testing the hearing level of a user after wearing a hearing aid; playing the processed hearing test signal, and determining a hearing test result after hearing assistance of a user; and under the condition that the hearing test result represents that the hearing aid does not meet the preset first hearing aid requirement, adjusting gains of the hearing aid at different frequencies based on the hearing test result, and continuously iterating the hearing test based on the latest gain after adjustment until the hearing aid meets the preset first hearing aid requirement.
  2. 2. The method of claim 1, wherein the hearing test signal comprises a pure tone signal or a sing tone signal, the hearing test result comprises a sound field test result, the processing the hearing test signal to be played based on the initialized gain to obtain a processed hearing test signal comprises: Based on the initialized gain, processing the pure tone signal or sing tone signal to be played to obtain a processed pure tone signal or sing tone signal, wherein the pure tone signal or sing tone signal is used for carrying out sound field test on a user; Playing the processed hearing test signal, and determining a hearing test result after hearing assistance of the user, wherein the method comprises the following steps: And playing the processed pure tone signal or sing tone signal, and determining a sound field test result after hearing assistance of the user.
  3. 3. The method of claim 2, wherein the sound field test result includes hearing aid thresholds at different frequencies after hearing aid of the user, wherein adjusting the gain of the hearing aid at different frequencies based on the sound field test result includes: determining expected intensity values of speech test signals at different frequencies based on a preset speech spectrogram; Comparing hearing aid thresholds and expected intensity values at different frequencies, and determining expected gains of the hearing aid at different frequencies; The gain of the hearing aid at different frequencies is adjusted based on the desired gain at the different frequencies.
  4. 4. The method according to claim 2, wherein the hearing test signals further comprise speech test signals of different frequencies, the hearing test results further comprising speech audiometry results, and wherein adjusting the gain of the hearing aid at different frequencies based on the sound field test results is performed until after the hearing aid meets a preset first hearing aid requirement, the method further comprising: based on the latest gain after adjustment, processing the speech test signals with different frequencies to obtain processed speech test signals, wherein the speech test signals are used for performing speech audiometry on the user; Playing the processed speech test signal, and determining a speech audiometry result after hearing assistance of the user; And under the condition that the speech audiometry result represents that the speech recognition rate of the user is smaller than a preset speech recognition rate expected value, adjusting the gains of the hearing aid at different frequencies based on the speech audiometry result, and continuously iterating to perform speech audiometry based on the latest gain after adjustment until the speech recognition rate of the user is larger than or equal to the preset speech recognition rate expected value.
  5. 5. The method of claim 4, wherein the speech audiometry results include speech recognition rates at different frequencies after the user hearing assistance; Based on the speech audiometry results, adjusting the gain of the hearing aid at different frequencies, comprising: extracting misidentification words with wrong answers from the speech audiometry result; Determining the forest six-tone of the misidentified word and the target frequency corresponding to the forest six-tone; adjusting the gain of the hearing aid at the target frequency.
  6. 6. The method according to any one of claims 1 to 5, wherein the hearing profile data comprises discomfort thresholds at different frequencies and audiograms over a preset period of time, the signal processing parameters further comprising maximum output power, and wherein initializing the signal processing parameters of the hearing aid at different frequencies based on the user's attribute data and the hearing profile data comprises: Determining gains of the hearing aid at different frequencies based on the attribute data, the discomfort threshold at the different frequencies, and the audiogram; the gain and maximum output power of the hearing aid at different frequencies are initialized.
  7. 7. The method according to claim 6, wherein initializing the maximum output power of the hearing aid at different frequencies comprises: Maximum output power at different frequencies is determined based on the discomfort threshold at the different frequencies, and the maximum output power at the different frequencies is initialized.
  8. 8. The method according to claim 5, wherein after said adjusting the gain of the hearing aid at the target frequency, the method further comprises: If the gain adjustment times reach the upper limit of the adjustment times, the speech audiometry result represents that the speech recognition rate of the user under the target frequency is smaller than a preset speech recognition rate expected value, and the sound field test result represents that the user hears a pure tone signal or sing tone signal under the target frequency, a preset rehabilitation training sample is played so as to perform rehabilitation training on the user.
  9. 9. The method according to any one of claims 1 to 5, wherein after continuously iteratively testing the hearing level of the user after wearing the hearing aid based on the adjusted latest gain, the method further comprises: obtaining hearing test data fed back by a user; and adjusting the gains of the hearing aid at different frequencies based on the hearing test data until the hearing aid meets a preset second hearing aid requirement.
  10. 10. The method according to any one of claims 1 to 5, wherein after continuously iteratively testing the hearing level of the user after wearing the hearing aid based on the adjusted latest gain, the method further comprises: obtaining hearing test data fed back by a user; and adjusting the gains of the hearing aid at different frequencies based on the hearing test data and the hearing characteristic data until the hearing aid meets a preset second hearing aid requirement.
  11. 11. A hearing aid comprising a bluetooth module, a processor and a speaker, said processor being connected to said bluetooth module and said speaker, characterized in that: The bluetooth module is configured to receive hearing test signals with different frequencies, send the received hearing test signals to the processor, execute the steps of the hearing aid fitting method according to any one of claims 1 to 10, adjust gains of the hearing aid at different frequencies, process the hearing test signals based on the adjusted gains, send the processed hearing test signals to the speaker, and play the processed hearing test signals by the speaker.

Description

Hearing aid fitting method and hearing aid Technical Field The application relates to the technical field of hearing aid fitting, in particular to a hearing aid fitting method and a hearing aid. Background Hearing aids are hearing aid devices that are mainly used to help people with hearing impairment improve hearing so that they can better hear and understand sound. Typically, the user needs to perform a hearing aid fitting prior to wearing the hearing aid in order for the hearing aid to achieve a satisfactory result for the user. Currently, fitting of hearing aids usually requires the user to go to a professional fitting center, with the help of a professional fitter and professional equipment, which is cumbersome. Thus, schemes for self-fitting by some users have emerged. However, the effect of the current user self-fitting scheme still is difficult to achieve with the fine tuning effect of the fitter. Disclosure of Invention In view of the above, it is necessary to provide a hearing aid fitting method and a hearing aid having higher fitting accuracy. In a first aspect, the present application provides a hearing aid fitting method comprising: initializing signal processing parameters of the hearing aid at different frequencies based on the attribute data and the hearing profile data of the user, the signal processing parameters comprising gain; Processing a hearing test signal to be played based on the initialized gain to obtain a processed hearing test signal, wherein the hearing test signal is used for testing the hearing level of a user after wearing a hearing aid; playing the processed hearing test signal, and determining a hearing test result after hearing assistance of the user; and under the condition that the hearing test result represents that the hearing aid does not meet the preset first hearing aid requirement, adjusting the gains of the hearing aid at different frequencies based on the hearing test result, and continuously iterating the hearing test based on the latest gain after adjustment until the hearing aid meets the preset first hearing aid requirement. In a second aspect, the application provides a hearing aid comprising a bluetooth module, a processor and a speaker, the processor being connected to the bluetooth module and the speaker, wherein: The Bluetooth module is used for receiving the hearing test signals with different frequencies, sending the received hearing test signals to the processor, executing the step of the hearing aid test method by the processor, adjusting the gains of the hearing aid under different frequencies, processing the hearing test signals based on the adjusted gains, sending the processed hearing test signals to the loudspeaker, and playing the processed hearing test signals by the loudspeaker. The hearing aid fitting method and the hearing aid are different from a mode of fitting the hearing aid by a professional fitter, and the scheme for supporting the user to self-fit the hearing aid is provided, firstly, signal processing parameters of the hearing aid under different frequencies are initialized based on attribute data and hearing characteristic data of the user, then, hearing test signals after being processed based on initialized gains are played, the hearing level of the user after wearing the hearing aid is tested, a hearing test result after hearing assistance of the user is obtained, then, the gains of the hearing aid under different frequencies are iteratively adjusted based on the hearing test result, and the hearing level of the user after wearing the hearing aid is tested again after each gain adjustment so as to find optimal gain settings which are most suitable for the user, and the hearing aid meets preset hearing aid requirements. According to the scheme, the automatic hearing test and the user feedback mechanism are combined, the hearing test is repeated on the user, the gains of the hearing aid under different frequencies are iteratively adjusted based on the hearing test result, the user can rapidly and accurately determine the optimal gain of the hearing aid on each frequency point according to the hearing experience and the use habit, and the hearing aid achieves better hearing aid effect. In addition, the whole process does not need the user to carry out the test and the match to the professional test and match room, and the user can realize the test and match of the hearing aid at home, and is more convenient. Drawings In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are needed in the description of the embodiments of the present application or the related technologies will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other related drawings may be obtained according to these drawings without inventive effort to those of ordinary skill