Hearing Apparatus Input Channel Control via Signal Quality Feedback
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Solution Overview
Problem
Existing hearing devices require manual selection of input channels, which can be cumbersome for older and young users, and existing automation solutions struggle to accurately determine signal quality, especially in noisy environments.
Innovation Solution
A hearing apparatus with multiple input channel systems and a central computing device that processes and weights channel signals to automatically adjust and control input channels based on signal quality, deactivating unnecessary components to conserve power and optimize sound processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual selection of input channels is used, then users can control which channels are active, but the operation becomes cumbersome for older and young users
Solution Approach 1:
The hearing device automatically performs input channel selection without user intervention. The control unit monitors signal quality from multiple input channels and autonomously determines which channel provides the best signal quality, eliminating the need for manual user operation while improving ease of use.
Solution Approach 2:
The system continuously monitors signal quality from each input channel and uses this feedback to dynamically adjust channel selection. The control unit evaluates signal quality parameters in real-time and automatically switches between channels based on the monitored feedback, providing adaptive automation that improves operation ease.
2Extent of automation
If signal quality monitoring is implemented to automatically select input channels, then automation is improved, but the device complexity increases
Solution Approach 1:
The control unit performs multiple functions including signal quality monitoring, channel selection, and signal processing within a single integrated component. This multi-functionality reduces overall device complexity by consolidating what could be separate components into one universal control unit that handles all automation tasks.
Solution Approach 2:
The patent combines the signal quality monitoring functionality with the existing control unit rather than adding a separate monitoring system. By merging the monitoring functions into the central control unit, the device complexity is minimized while still achieving automatic channel selection based on signal quality.
3Reliability
If all input channel systems remain active, then signal quality can be optimized, but power consumption increases
Solution Approach 1:
The system dynamically adjusts the activation state of input channel systems based on real-time signal quality requirements. The control unit activates only those channel systems that currently provide the best signal quality, rather than keeping all channels permanently active. This dynamic adaptation maintains signal quality while reducing power consumption by deactivating unnecessary components.
Solution Approach 2:
The system temporarily deactivates input channel systems that are not currently providing optimal signal quality, effectively discarding their power consumption. When signal quality requirements change, the control unit can reactivate previously deactivated channels, allowing the system to recover their functionality only when needed, thus optimizing the balance between signal quality and power consumption.
Data Source
AI summary
The signal quality in a hearing apparatus and in particular in a hearing device featuring a plurality of input channels is to be improved. Provision is made for this purpose for a hearing apparatus with a plurality of input channel systems each for recording and preprocessing an input signal and for outputting a channel signal each and a central computing device for processing a plurality of channel signals of the input channel systems. At least one of the plurality of input channel systems can be controlled by the central computing device as a function of at least two of the plurality of channel signals. Local weighting or deactivation of input channel components can be performed by means of this feedback using central information from the computing device. The latter case additionally allows for power consumption to be reduced.