Hearing Aid Parameter Adjustment via Component Image Recognition

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Solution Overview

Problem

Current hearing aid systems face challenges in accurately and efficiently adjusting parameters for optimal sound transmission, particularly due to the complexity of acoustic coupling components and the risk of incorrect component selection or misalignment, especially when untrained individuals attempt to assemble or adjust the devices.

Innovation Solution

A method using a communication device with a camera to record images of acoustic coupling components, identify their product identity through image recognition, and assign acoustic transmission characteristics, allowing for automatic adjustment of hearing aid parameters without the need for a professionally trained acoustician, utilizing an artificial neural network for image recognition and an electronic product catalog.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a hearing aid acoustician manually adjusts parameters using traditional methods, then measurement precision and reliability are improved, but device complexity and time consumption increase

Engineering Contradiction:
Improveparameter adjustment accuracyVSAvoidadjustment system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual mechanical adjustment methods with an automated image recognition system using a camera and artificial neural network. The system captures images of the ear canal and hearing aid components, automatically identifies anatomical features and component positions, and adjusts parameters without manual intervention, thereby maintaining precision while reducing complexity and time

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The hearing aid system performs self-adjustment by automatically analyzing images of the user's ear canal and hearing aid configuration. The artificial neural network processes the visual data and autonomously optimizes parameters based on detected anatomical features and component positions, enabling the device to adjust itself without external assistance

Inventive Principle:
Principle #25Self-service

2Ease of operation

If untrained individuals assemble or adjust hearing aid components, then ease of operation is improved, but reliability and measurement precision deteriorate

Engineering Contradiction:
Improveassembly easeVSAvoidcomponent alignment accuracy
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces manual visual inspection and judgment with an automated computer vision system. The camera captures images and the artificial neural network automatically identifies component positions and alignment, eliminating the need for trained personnel while ensuring consistent, reliable measurements and adjustments

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an intermediary image recognition system between the user and the parameter adjustment process. The system captures images of the ear canal and hearing aid components, processes them through an artificial neural network, and translates visual information into accurate parameter settings, serving as a mediator that ensures reliability regardless of user expertise

Inventive Principle:
Principle #24Intermediary (Mediator)

3Measurement precision

If traditional manual adjustment methods are used, then measurement precision is improved, but loss of time increases

Engineering Contradiction:
Improveparameter measurement accuracyVSAvoidadjustment time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces time-consuming manual measurement and adjustment procedures with rapid automated image capture and analysis. The camera quickly captures images of the ear canal and components, the artificial neural network processes them in real-time, and parameters are adjusted instantly, maintaining precision while dramatically reducing the time required for fitting and adjustment

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Adaptability or versatility

If multiple acoustic coupling components are offered with different characteristics, then adaptability is improved, but device complexity and difficulty of detecting and measuring increase

Engineering Contradiction:
Improveacoustic coupling adaptabilityVSAvoidcomponent identification difficulty
Core Design Contradiction:
Adaptability or versatilityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent replaces manual identification and selection of acoustic coupling components with an automated image recognition system. The camera captures images of the components attached to the hearing aid, the artificial neural network identifies their types and characteristics, and the system automatically selects appropriate parameters, making the process as easy as attaching the components without requiring knowledge of their specific acoustic properties

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables user-friendly, error-free adjustment of hearing aid parameters, ensuring proper acoustic coupling and amplification, even by non-professionals, reducing the need for on-site appointments and improving wearing comfort by simplifying the assembly process.

Implementation Method 1

A method using a communication device with a camera to record images of acoustic coupling components, identify their product identity through image recognition

Methodology Applied
Scientific EffectImage recognition: Image Processing

Data Source

PatentEP3528513B1Method for adjusting the parameters of a hearing system
Publication Date: 2020.10.14 SIVANTOS PTE LTD
  • EP3528513B1 patent drawingFigure 1
  • EP3528513B1 patent drawingFigure 2

AI summary

The invention relates to a method for adjusting the parameters of a hearing system (1) comprising a hearing aid (3) and a communication device (5) separate from it, wherein at least one component (9, 10) for acoustic coupling of the hearing aid (3) to the ear of a hearing aid wearer is attached to the hearing aid (3), wherein at least one image of the component or each component (9, 10) used for acoustic coupling is taken by means of a camera (14) of the communication device (5), wherein the product identity of the component or each component (9, 10) is identified on the basis of the image or each component (9, 10), wherein acoustic transmission characteristics (35) are assigned to the component or each previously identified component (9, 10), and wherein the parameters of the hearing system (1) are adjusted on the basis of these acoustic transmission characteristics (35).The invention further relates to a hearing system (1) comprising a hearing aid device (3) with at least one component (9, 10) for acoustically coupling the hearing aid device (3) to the ear of a hearing aid wearer, wherein the parameters of the hearing system (1) are adjustable on the basis of the acoustic transmission characteristics (35).