Electronic Input Selection/Mixing TRIZ Cases

Twisted conductor pairs around a deformable core separate microphone and receiver signals to cut crosstalk, noise, and distortion.

Twisted-pair conductors around a deformable core wire separate signal and power lines to cut crosstalk, noise, and feedback in hearing devices.

Machine learning filters trigger sounds from ambient audio in real time, preserving desired sounds for natural interaction.

Identifier-based stream prioritization lets a hearing device manage audio from multiple devices with user-defined output schemes.

Trigger-based recording isolates repeating telecoil interference from Bluetooth radios, then inverts it to cancel ticking artifacts in hearing aids.

An accessory device updates hearing-aid visibility settings and stream priorities to simplify multi-device audio configuration.

Multiple audio streams complicate hearing-device operation; source identifiers and preset priorities automate output routing.

Wireless audio creates complex visibility and priority settings; an accessory device updates the hearing device configuration through a user request.

An internal acoustic detector preserves basic sound awareness and alerts users to alarms when the external processor is removed or fails.

Merges touch sensing with visual output on flexible hybrid components to resolve space constraints in hearing aids.

Partial message encryption allows a hearing instrument to authenticate broadcasted announcements while reducing power consumption and preventing spoofing.

A spatial synthesis filter superimposes auditory cues onto external microphone signals using cross-correlation with local hearing aid inputs.

A hearing device dynamically adjusts processing parameters based on detected communication protocols to optimize audio output.

Segmenting mixed audio into separate speech and background channels allows dynamic ratio adjustment to resolve intelligibility versus complexity trade-offs.

Correlates acoustic input with digital audio to generate encryption keys, preventing long-range eavesdropping on assistive listening device links.

DSP dynamically attenuates microphone gain during streaming to reduce environmental noise while maintaining pre-established audio stream levels.

A hearing aid system estimates user cognitive load to adapt signal processing parameters in real time.

Accelerometer data triggers automatic audio mode switching, eliminating manual input delays and preventing missed ambient conversations.

A hearing device estimates impulse response parameters to align wireless and microphone sound signals for improved audio processing.

Staged impedance matching resolves efficiency losses under varying loads without increasing device complexity.

Selective radio deactivation and near-field transmission mitigate telecoil ticking artifacts while preserving wireless connectivity.

A hearing device shares conductive surface portions between electrodes and functional circuits to reduce required area.

Controller merges image sensor data with audio input to classify acoustic environments, resolving accuracy limits in rare sound scenarios.

A distance detector adjusts mixing levels between audio signals from separate devices to maintain consistent volume.

A hearing device detects proximity to a mobile phone and switches audio input between its own microphone and the phone's microphone.

A listening device enhances audio signals by wirelessly receiving streamed target audio and acoustically propagating the sound.

Distributing processing to the ear piece reduces connection lines and noise interference.

Central computing device weights channel signals to automatically adjust hearing apparatus input channels.

Segmented filters gradually adjust sound compensation, reducing psychological distress during hearing restoration.