Binaural Hearing Aid Mode Switching for Independent Control
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Solution Overview
Problem
Existing binaural hearing aid systems face challenges in maintaining independent settings during 'audio reception' mode, where reciprocal control of parameters between hearing aids is inconvenient, leading to suboptimal adaptation and balance.
Innovation Solution
The system introduces a mode where one hearing aid can be in 'active audio reception' while the other is in 'passive audio reception', with control signals allowing the active aid to adjust the passive aid without mutual parameter adaptation, enabling independent volume adjustments and balance control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If control signals are transferred between both hearing aids to adapt parameters simultaneously, then binaural coordination is improved, but independence of settings during audio reception deteriorates
Solution Approach 1:
The system dynamically switches between two operational states: a first state where control signals are transferred bidirectionally between hearing aids for simultaneous parameter adaptation, and a second state where control signal transfer is restricted to maintain independent settings. This dynamic state transition allows the system to adapt to different usage scenarios, resolving the contradiction between binaural coordination and setting independence.
Solution Approach 2:
The system changes the parameter of control signal transfer behavior based on the operational mode. In the first state, full parameter synchronization is enabled; in the second state, parameter synchronization is restricted or disabled. This parameter change approach allows the same hardware system to provide both coordinated and independent operation as needed.
2Reliability
If both hearing aids are adapted simultaneously through control signals, then system consistency is improved, but user preference preservation deteriorates
Solution Approach 1:
The system employs dynamic state switching to balance system consistency and user preference preservation. In the first state, both hearing aids are adapted simultaneously to maintain system consistency. In the second state, control signal transfer is restricted to preserve individual user preferences. This dynamic approach allows the system to prioritize different objectives based on operational context.
3Stability of the object's composition
If control signals are transferred between hearing aids, then parameter synchronization is improved, but operational flexibility deteriorates
Solution Approach 1:
The system dynamically adjusts the level of parameter synchronization by switching between states. In the first state, full synchronization is active; in the second state, synchronization is restricted. This dynamic control provides operational flexibility while maintaining the ability to synchronize parameters when needed.
Data Source
AI summary
In a hearing aid device system with two hearing aids for binaural supply to a hearing aid user, a coupling of the settings of both hearing aids is not always reasonable in the “audio reception” mode and therefore the hearing aid that is in the “audio reception” operating mode is not adapted to changed settings when parameters in the other hearing aid of the hearing aid system have been readjusted. The use of a remote control also has different effects on a hearing aid in the active “audio reception” mode than on the hearing aid device that is in a passive “audio reception” mode.