In-Line Audio Adapter for Hearing-Tuned Radio Communication
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Solution Overview
Problem
Military and civilian radio operators often suffer from hearing impairments due to exposure to harmful audio levels while trying to compensate for their hearing loss, as existing solutions like hearing aids and noise-canceling headsets are either cumbersome, require specialized technicians, or are not adaptable to changing environments.
Innovation Solution
A digital audio signal enhancement adapter that dynamically adjusts audio processing based on the user's hearing needs and ambient environment, using a microcontroller and programmable memory to enhance audio signals in real-time, compatible with both military and commercial audio connectors, and capable of remote programming via wireless transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hearing aids are used to compensate for hearing loss, then hearing ability is improved, but comfort and acoustic seal are worsened
Solution Approach 1:
The hearing assistance function is segmented from the traditional hearing aid device and integrated into the existing radio headset system. The audio processing is divided into frequency-specific channels that can be independently adjusted, allowing hearing compensation without requiring separate ear-insert devices that compromise acoustic seal.
Solution Approach 2:
The patent combines multiple functions (radio communication, hearing assistance, noise cancellation) into a single integrated headset system. This merging eliminates the need to wear separate hearing aids alongside radio headsets, thereby maintaining comfort and acoustic seal while providing hearing enhancement.
2Reliability
If noise-canceling headsets are used to filter environment noise, then audio signal quality is improved, but adaptability to changing environments is worsened
Solution Approach 1:
The audio processing parameters are made dynamic rather than fixed. The system continuously adapts to changing environmental conditions and user needs by allowing real-time adjustment of frequency-specific gain and noise cancellation levels, enabling the headset to respond to varying soundscales and operational requirements.
Solution Approach 2:
The system pre-configures multiple audio processing profiles for different operational environments (e.g., urban, rural, combat scenarios). These profiles can be quickly switched or automatically selected based on detected environmental conditions, allowing rapid adaptation without manual reconfiguration.
3Reliability
If specialized hearing aid technology is used to manipulate audio signals, then hearing compensation is improved, but ease of operation is worsened
Solution Approach 1:
The system enables users to self-adjust audio processing parameters through intuitive controls on the headset or via a mobile application. Operators can independently modify frequency-specific gain and noise cancellation settings without requiring specialized technicians, making the system accessible and easy to operate.
Solution Approach 2:
The patent implements adjustable audio processing parameters that can be modified by the user based on their specific hearing needs and operational requirements. Frequency response curves, gain levels, and noise cancellation thresholds can be changed to optimize performance for different users and situations.
Data Source
AI summary
Provided herein are novel methods for providing an enhanced audio signal adapter. The invention provides an in-line audio adapter that digitally enhances bi-directional radio communication for dismounted and mounted operators. The adapter may be customizable to the hearing ability of the radio user, and compatible with both standard military audio connectors and commercial audio connectors enhancing the operator's in-field capabilities to process, record, share, replay, and operate radio communications.