Hearing Device Adaptation via Movement Sensor Feedback
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Solution Overview
Problem
Existing methods for adapting hearing devices, particularly for small children and individuals with cognitive impairments, face challenges in determining optimal time-dependent and frequency-dependent amplification due to difficulties in reliably obtaining audiometric data.
Innovation Solution
A method utilizing a hearing device equipped with a movement sensor and a display unit to perform test measurements, where an acoustic test signal is generated, and the user's movement reaction is detected and used to adjust the signal processing unit settings, providing visual feedback for motivation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional audiometric testing methods are used with small children or cognitively impaired individuals, then the testing procedure can be simple and straightforward, but the data quality and reliability of hearing threshold measurements deteriorate because these individuals cannot reliably follow instructions
Solution Approach 1:
The patent replaces the mechanical/verbal instruction-based audiometric testing system with an automated system using acoustic test signals, movement sensors, and visual feedback. This substitution eliminates the need for complex verbal instructions that small children and cognitively impaired individuals cannot follow, while maintaining objective measurement through automated detection of movement reactions to acoustic stimuli.
Solution Approach 2:
The hearing device performs self-testing by automatically generating acoustic test signals, detecting movement reactions via integrated sensors, and adjusting signal processing settings without requiring external testing equipment or complex operator intervention. The device adapts to the user's hearing characteristics through autonomous feedback loops.
2Adaptability or versatility
If behavior tests with various noises are used to stimulate specific frequency ranges, then hearing thresholds can be determined for different frequencies, but the testing complexity and time required increase due to conditional learning methods and multiple test signals
Solution Approach 1:
The hearing device integrates multiple functions into a single system: it generates acoustic test signals across multiple frequency ranges, detects movement reactions, provides visual feedback, and automatically adjusts signal processing settings. This multi-functional integration eliminates the need for separate testing equipment and procedures for each frequency range.
Solution Approach 2:
The system performs preliminary conditioning by presenting test signals and detecting movement reactions before final hearing threshold determination. Visual feedback is provided in advance to motivate and guide the user through the testing process, ensuring reliable data collection across all frequency ranges.
3Ease of operation
If verbal instructions and keypress responses are used for audiometric testing, then the testing method can be straightforward, but the reliability of responses deteriorates because small children and cognitively impaired individuals cannot understand or follow instructions
Solution Approach 1:
The patent replaces verbal instructions and manual keypress responses with an automated system using acoustic test signals, movement sensors, and visual feedback. This substitution eliminates the need for understanding and following verbal instructions, while maintaining objective measurement through automated detection of movement reactions to acoustic stimuli.
Solution Approach 2:
The system introduces movement sensors and visual feedback as intermediaries between the acoustic test signals and the hearing threshold determination. These intermediaries translate the user's physiological responses into measurable data without requiring cognitive processing or understanding of verbal instructions.
4Reliability
If conditional learning methods are performed before behavior tests, then responses can be obtained from small children and cognitively impaired individuals, but the total testing time and procedure complexity increase
Solution Approach 1:
The system performs preliminary conditioning by presenting test signals and detecting movement reactions before final hearing threshold determination. Visual feedback is provided in advance to motivate and guide the user through the testing process, ensuring reliable data collection across all frequency ranges.
Solution Approach 2:
The testing process continues continuously with acoustic test signals being presented and movement reactions being detected without interruption. Visual feedback is provided throughout the process to maintain user engagement and motivation, eliminating the need for separate conditioning phases.
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
This approach allows for an objective and reliable adaptation of hearing device settings, even for individuals who cannot follow traditional instructions, thereby improving data quality and user motivation.
Implementation Method 1
detecting a body movement of the hearing device user in reaction to the signal
Data Source
AI summary
A method adapts a hearing device having at least one hearing aid, a movement sensor, and a display unit. At least one test measurement is carried out in which an acoustic test signal is generated. A movement sensor detects a movement of the hearing device user in response to the test signal as a test result, and visual feedback is generated on the display unit on the basis of the test result.