Hearing Aid Earphone Gain Processing Method

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Solution Overview

Problem

Hearing aid earphones with constant linear amplification fail to provide personalized gain settings, leading to poor user experience due to inaccurate configuration based on preset formulas, not accounting for individual user needs.

Innovation Solution

A gain processing method for hearing aid earphones that uses a pre-established gain model, based on historical user data, to determine personalized gain values for different loudness levels, allowing for dynamic adjustment and continuous database updates for improved accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If constant linear amplification gain is used in hearing aid earphone, then device complexity is reduced and manufacturing is simplified, but configuration accuracy deteriorates and cannot provide personalized gain settings for different users

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidconfiguration accuracy
Core Design Contradiction:
Ease of manufactureVSMeasurement precision

Solution Approach 1:

The patent transforms the fixed constant gain parameter into a dynamic parameter that changes based on input sound intensity. The gain value is no longer static but is determined by WDRC compression algorithms that adjust gain according to the user's hearing threshold and comfort levels, thereby achieving personalized configuration without complicating manufacturing

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent performs preliminary actions by pre-calculating and storing optimal gain configurations in a lookup table based on user hearing thresholds and comfort levels. During actual operation, the system quickly retrieves pre-computed gain values rather than calculating them in real-time, maintaining manufacturing simplicity while achieving high configuration accuracy for personalized hearing aid settings

Inventive Principle:
Principle #10Preliminary action

2Device complexity

If preset calculation formulas are used for gain configuration, then device complexity is minimized, but adaptability deteriorates because individual user needs cannot be met

Engineering Contradiction:
Improvesystem simplicityVSAvoidpersonalization capability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent enables the hearing aid earphone to serve itself by automatically determining optimal gain settings based on user-specific parameters (hearing threshold, comfort level) without requiring manual configuration by professionals. The system self-adjusts gain values using embedded WDRC algorithms and lookup tables, maintaining device simplicity while achieving high adaptability to individual user needs

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent introduces dynamics by making the gain configuration adaptive and adjustable rather than static. The system dynamically selects gain values from the lookup table based on real-time input sound intensity and user-specific parameters, enabling the simple device structure to adapt to diverse individual user requirements through software-based flexibility

Inventive Principle:
Principle #15Dynamics

3Device complexity

If clipping techniques are applied only above discomfort threshold, then device complexity remains low, but reliability deteriorates because gain is not optimized across full sound intensity range

Engineering Contradiction:
Improveprocessing complexityVSAvoiduser experience quality
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent segments the sound intensity range into multiple regions (below threshold, at threshold, above threshold) and applies different gain processing strategies to each segment. The lookup table provides pre-computed optimal gain values for each intensity region based on user hearing characteristics, enabling reliable performance across the full sound range while keeping processing complexity low through table-based lookup rather than continuous calculation

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20240406641A1Hearing aid earphone and gain processing method and device therefor, and readable storage medium
Publication Date: 2024.12.05 GOERTEK INC
  • US20240406641A1 patent drawing
  • US20240406641A1 patent drawing
  • US20240406641A1 patent drawing

AI summary

Disclosed are a gain processing method, device, and system for a hearing aid earphone, and a computer readable storage medium. The method comprises: acquiring raw user data of a user, the raw user data comprising initial hearing data; analyzing the raw user data by using a pre-established gain model to obtain gain data, the gain data comprising gain values respectively corresponding to different loudnesses under different frequencies; wherein, the gain model is established based on a plurality of user data historical samples collected in advance; and setting hearing assistive gain of the hearing assistive earphone based on the gain data.