Ear Canal Microphone DRCF Testing for Speech Intelligibility
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Solution Overview
Problem
Current hearing enhancement systems for improving speech intelligibility require complex procedures and clinical settings, relying on specialized instruments and trained professionals, making them inconvenient for users who need to adjust settings based on real-life listening experiences.
Innovation Solution
A method using an earphone device with an ear canal microphone to measure sound pressure levels, allowing for dynamic range compression function (DRCF) testing in everyday environments, enabling users to select their own audio content for testing and using a portable computing device to determine personalized DRCF curves for enhanced speech intelligibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If complex clinical procedures with specialized instruments are used to acquire compression curves, then measurement precision and reliability are improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The system allows users to self-administer DRCF testing without requiring trained hearing professionals. The portable computing device automatically guides users through the testing process, presenting test signals and collecting responses independently, eliminating the need for clinical professionals while maintaining measurement quality
Solution Approach 2:
The portable computing device serves multiple functions: it acts as the test signal generator, response collection interface, DRCF calculation engine, and result storage system. This multi-functional approach replaces multiple specialized clinical instruments with a single versatile device, reducing overall system complexity
2Measurement precision
If specialized clinical instruments and trained professionals are required for DRCF testing, then measurement precision is improved, but ease of operation and accessibility deteriorate
Solution Approach 1:
Users can independently perform DRCF testing at home without visiting clinical facilities. The system provides automated guidance through the entire process, from presenting test signals to collecting responses and generating results, making the procedure accessible to anyone with the portable device
Solution Approach 2:
The portable computing device serves as an intermediary between the user and the complex DRCF measurement process. It translates professional measurement requirements into user-friendly interactions, presenting audio signals through standard earphones and collecting responses via simple interface inputs
3Reliability
If traditional clinical fitting procedures are used, then speech intelligibility enhancement is improved, but loss of time and productivity deteriorate
Solution Approach 1:
The system performs DRCF testing and compression curve acquisition as preliminary steps before final hearing aid fitting. By completing the time-consuming measurement process in advance using the portable device, the actual fitting procedure becomes faster and more efficient
Solution Approach 2:
The system enables users to quickly complete DRCF testing at home without scheduling clinical appointments. The automated process rapidly presents test signals and collects responses, significantly reducing the time required compared to traditional step-by-step clinical procedures
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 users to perform DRCF tests in typical environments, improving speech intelligibility and sound quality without the need for clinical settings, using a user-friendly and portable system that can be adjusted based on personal preferences and acoustic conditions.
Implementation Method 1
an earphone device with an ear canal microphone to measure sound pressure levels
Data Source
AI summary
At least one exemplary embodiment is directed to a method of testing the earphone for proper sealing then generating a self-administered hearing test.