Microphones TRIZ Cases

A constrained adaptive two-element differential microphone array adjusts its directional response to minimize wind noise.

A signal processing circuit adjusts gain and phase of left and right channel signals to cancel crosstalk interference in headsets.

Varying frame arm width from edge support to damper portion improves compressive strength without reducing sound passage area.

Spatial transformation layer maps reference and displaced microphone arrays to resolve localization accuracy challenges in dynamic sensor configurations.

A headset uses a turnable ear hook to switch electronics between active and passive states.

A spatial audio apparatus interpolates signals and metadata to generate accurate binaural output for listener positions outside the microphone array.

A headset microphone boom uses a grooved channel and adjusting knob to secure the arm in selected positions for different users.

Segmented components with pivotally connected microphones resolve the contradiction between device complexity and spatial positioning precision.

A MEMS microphone package uses a shielding ring to cover the joint between the electromagnetic shielding cover and circuit board.

String restraint maintains electrode positioning during bending, preventing positional deviations that cause inconsistent acoustic characteristics.

Merging the filter with the chip cavity eliminates costly individual installation steps while maintaining reliable particle protection.

Piezoelectric motors adjust headphone cushion size to resolve fixed-size comfort and isolation trade-offs.

A noise suppression circuit estimates interference using two microphones positioned at a reflective interface to isolate desired speech signals.

A signal processing apparatus generates masking sounds to suppress content leakage between adjacent reproduction regions.

Segmented shell and silicone seal protect electronics from water while an air-conduction tube transmits sound for swimming.

A host computing device uses ultra-wideband sensors to measure relative positions of multiple client devices and assigns active or inactive audio states.

Onset detection identifies acoustic events to improve speaker localization accuracy in low SNR environments.

A microphone array concentrates sound collection centers around a central unit using asymmetric spacing to enhance acoustic energy absorption.

Orientation tracking isolates desired speech from ambient noise, preventing active cancellation of user announcements.

Linearly arranged flat-panel modules with integrated horns minimize structural complexity while maintaining effective sound propagation across large areas.

Dynamic impedance coupling in a MEMS microphone prevents signal clipping and distortion during high-amplitude acoustic events.

Voltage modulation on a shared contact merges power delivery with data transmission, reducing physical interface complexity.

An insert plate with a through-hole fixing groove allows precise glue injection between steel sheets, reducing overall height while preventing shell vibration.

A signal processor calculates complementary filter functions using the Prony method to approximate operating parameters for active noise-cancelling headphones.

A spring-biased carabiner assembly secures an audio output device to external structures via a movable arm and flange interface.

Wearable audio devices capture acoustic data to determine individualized HRTFs, correcting generic models for unique head geometries.

A flexible film sensor module uses an elastic adhesive layer to mechanically couple a microphone terminal to a conductor pattern.

Digital signal processing compensates for close driver spacing in compact loudspeakers.

A hearing aid algorithm estimates noise floor levels to switch between directional and omnidirectional microphone modes.

A microphone backplate vent hole isolates the diaphragm from external contaminants while managing internal air pressure.

A headphone reproducing device moves the sound image position to separate voice from music playback.

A dedicated vibration absorbing member intercepts actuator oscillations to suppress wall transmission, eliminating costly structural modifications.

Nested shielding covers block environmental waves to improve sound reception quality in portable devices.

LEDs display diverse information via parameter changes, resolving limited audio output diversity in IoT hubs.

An information processing apparatus uses a virtual character to deliver audio guidance, resolving low user motivation in navigation systems.

An integral accommodation part nested within a vehicle spare-tire housing prevents sound leakage while providing sufficient volume for deep bass reproduction.

A mobile device establishes a wireless connection with an external microphone to receive ambient audio signals for noise profile generation.

An artificial ear apparatus uses tragus and antihelix structures to capture sound waves for real-time head-related transfer function generation.

Periodic pulsed emissions using a Helmholtz resonator cavity reduce reverberation effects and improve pinpoint accuracy.

A loudspeaker housing integrates a phase correction element with the bass reflex opening to reduce physical size.

Segmented modular components and composite construction resolve structural strength trade-offs in narrow widths while maintaining acoustic performance.

A directivity pattern control waveguide integrates multiple drivers to shape sound propagation.

A microelectromechanical microphone bonds a sensor chip over a control chip nested in a substrate through hole.

Auxiliary function optimization updates adaptive vectors to extract target speech signals, reducing calculation burden while maintaining extraction accuracy.

A binaural hearing device system detects acoustic impulses to adjust audio output signals.

A silicon acoustic transducer uses localized diaphragm through-holes to vent pressure and improve environmental resistance.

A surface acoustic transducer employs a segmented housing design to increase voice coil excursion and improve sound quality.

A wind noise mitigation system segments audio signals into frequency bins to attenuate uncorrelated noise while preserving speech components.

A vibration control apparatus processes multi-channel audio signals to generate tactile feedback via channel difference extraction.