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Auxiliary fitting system and method for hearing aid

A technology for hearing aids and acoustic scenes, applied in hearing aids, hearing aid testing/monitoring, electrical components, etc., can solve problems such as the lack of spatialization of the source of occurrence, inaccurate test results, and unsatisfactory hearing aids, so as to improve the listening effect and improve The effect of suitability and effectiveness for actual use

Inactive Publication Date: 2018-04-20
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has obvious deficiencies: the source of generation does not achieve spatialization; the test environment does not meet the requirements of practical applications, and the soundproof room is basically noise-free. The inspection results often deviate greatly from the daily life with noise, resulting in inaccurate final test results Make the matching hearing aids not ideal

Method used

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  • Auxiliary fitting system and method for hearing aid
  • Auxiliary fitting system and method for hearing aid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment provides an auxiliary hearing aid fitting system. The system includes a test body, a loudspeaker, a hearing aid, an audiometer, and a network terminal. The network terminal may be a wireless network terminal or a wired network terminal.

[0046] Such as figure 1 As shown, the test subject includes a signal processing module 101 , a reverberation module 102 , a noise generation module 103 , a scene generation module 104 , a signal playback module 105 , a hearing evaluation module 106 and an auxiliary fitting module 107 .

[0047] The signal processing module 101, which is the core of the entire test subject, controls the operation of the entire test subject, can call and process the data of each module, such as calling the reverberation module 102 to generate an impulse response signal, calling the noise generation module 103 Generate a noise signal, call the scene generation module 104 to generate test signals of various scenes of different loudness, and...

Embodiment 2

[0061] Such as figure 2 As shown, this embodiment provides a hearing aid auxiliary fitting method, the method includes the following steps:

[0062] S301. Outputting impulse response signals with characteristics of various acoustic scenes, specifically: measuring various acoustic scenes and outputting impulse response signals with characteristics of various acoustic scenes, or simulating various acoustic scenes and outputting signals with various acoustic scenes Characteristic impulse response signal.

[0063] S302. Generate various noise signals.

[0064] S303. Convolving the output impulse response signal with the test speech dry signal and noise signal to obtain speech test signals and noise test signals in various acoustic scenes, specifically: the output impulse response signal and the test speech dry signal and noise The signal is convoluted to obtain speech test signals and noise test signals of various acoustic scenes with reverberation;

[0065] S304. Mix test voi...

Embodiment 3

[0069] This embodiment is a specific application example. The auxiliary hearing aid fitting system includes: a test body, multiple control units placed in the test body, speakers, hearing aids, audiometers and network terminals connected to the test body. The system transmits the hearing data of the audiometer to the control unit of the test subject through the network terminal as the initial basis for the hearing aid test. According to the hearing data of the subject, according to the test subject in Example 1 and the operation steps of Example 2, multiple sets of test signals of various scenes with different loudness are generated and played out through the speakers installed in the listening room. The tester wears hearing aids to listen to test signals in different scenes and makes judgments, and corrects the characteristic parameters related to hearing aid fitting (each frequency gain, compression ratio, etc., but not limited to these parameters) according to the hearing re...

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Abstract

The invention discloses an auxiliary fitting system for a hearing aid, and the system comprises a reverberation module which is used for outputting a pulse response signal with various acoustic scenefeatures; a noise generation module which is used for generating various types of noise signals; a scene generation module which is used for obtaining the voice test signals and noise test signals ofvarious types of acoustic scenes; a signal replay module which is used for the replaying of a mixed test signal in a listening room; a listening evaluation module which is used for obtaining the listening effect of a listener in various listening environments and the corresponding parameters required by the hearing aid; and an auxiliary fitting module which is used for obtaining the parameters which enable a tested person to obtain the optimal wearing effect of the hearing aid, and writing the parameters into the hearing aid. The system can improve the actual applicability and effectiveness ofthe hearing aid, avoids the trouble caused by the mismatching of a fitting environment of a sound-insulation shielding room with an actual application environment, and improves the listening effect of a listener with a hearing air in the actual listening environment.

Description

technical field [0001] The invention relates to an auxiliary fitting system, in particular to a hearing aid auxiliary fitting system and method, belonging to the field of hearing aid fitting. Background technique [0002] Hearing aids are an effective tool to help deaf patients improve their hearing. When matching hearing aids, it is necessary to test the deaf patients, so as to match the appropriate hearing aids for deaf patients. At present, the audiometry method for deaf patients commonly used in various medical institutions is the soundproof room Real ear audiometry, that is, put the patient in a soundproof room, connect and transmit audio signals with the audiometer placed outside the soundproof room by wearing earphones, the fitter adjusts the loudness at a fixed frequency, and the patient presses the button when hearing the sound Indicates that each frequency is repeated in turn to complete the drawing of the hearing threshold curve; then the fitter performs hearing a...

Claims

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Application Information

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IPC IPC(8): H04R25/00
CPCH04R25/30H04R2225/41
Inventor 彭健新
Owner SOUTH CHINA UNIV OF TECH
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