Microphones TRIZ Cases

Segmenting the membrane via a positioning member increases rigidity and parallel movement, resolving uneven deformation that reduces sensitivity.

A fan system uses a magnetic shaft to generate reverse sonic waves for noise cancellation.

A speaker apparatus combines sound beams with virtual sources via head-related transfer functions to direct audio.

A composite filtering construction combines a precision synthetic monofilament fabric with a nanoporous membrane to create an integral medium.

A judging circuit determines earphone microphone terminal polarity using a comparison module and control module.

Flat diaphragm acoustic device emits out-of-phase front and rear radiation to minimize sound spillage while maintaining environmental awareness.

A voice trigger noise cancellation method segments audio periods to update parameters and estimate voice presence probability.

Segmenting acoustic sources into independent left and right units resolves spatial localization limits without excessive structural complexity.

A neckband earphone uses sensors to detect wearing orientation and dynamically adjust key functions for consistent control.

Synchronized valves modulate airflow through a folded membrane to boost sound pressure without increasing displacement.

Wavelength-division multiplexing enables high-bandwidth data transmission over optical paths inside compact 3.5 mm audio connectors.

Spectral processing adjusts frequency responses across mixed microphone arrays to combine audio signals accurately.

Integrated radar sensors detect user ear geometry to enable dynamic spatial audio rendering and precise acoustic calibration.

Pneumatic coupling between two loudspeakers reduces distortion and increases bass sound level without altering midrange intelligibility.

A headband uses a detachable arc-shaped supporter inserted into a slit to adjust lateral pressure.

Multiple exciters distribute heat across a display panel, suppressing color unevenness caused by localized thermal concentration.

Segmentation isolates the loudspeaker module from passive earmuffs, resolving complexity and maintenance trade-offs.

A sensor-supported microphone integrates an environmental sensor to calibrate transducer output signals using stored coefficients.

Segmenting the substrate overlap creates a gap that reduces peeling forces and enhances robustness against mechanical loads.

Segmented parametric speakers create directional beams that soothe infants without disturbing adults nearby.

A MEMS microphone integrates an acoustic activity detector to enable low-power voice detection through dynamic clock mode switching.

A rotatable speaker unit maintains acoustic axis alignment within a cabinet.

A microphone headset uses a stepper motor to adjust boom position for clear speech input.

A microphone array controller dynamically adjusts beamforming zones to track speaker positions in real time.

Segmented faceplate design routes acoustic waves via aligned perforations while isolating sensors from electromagnetic interference.

A speaker rear cover integrates a stamped metal connection assembly with conductive contacts and cable fixation features.

Embedding electronics in a dielectric base reduces assembly complexity while maintaining component optimization through local quality processing.

Hinged shells encapsulate exposed ear hooks and microphone arms, preventing mechanical damage during pocket storage.

Suspended speaker assemblies project low and high frequency soundwaves through integrated chambers to deliver balanced audio coverage.

Electronic devices use color correction matrices to calibrate individual LED output for consistent illumination.

System dynamically assigns active microphone to worn earbud using wear sensors and speech endpoints, eliminating manual switching.

External connection cavity diverts low-frequency noise while dual microphones isolate voice signals for clear communication.

Vibration mitigators in the housing absorb speaker energy, preventing interference with microphones and cameras.

Conceals an audio device within a ceiling light assembly support unit to integrate lighting and sound functions.

Perpendicular plane sections position a microphone away from wind-exposed areas, eliminating ambient noise interference while maintaining ergonomic fitability.

A control application manages augmented reality audio playback on wearable devices by filtering and prioritizing notifications from multiple sources.

A hybrid active noise reduction system uses shelving filters to optimize frequency responses across feedback and feedforward loops.

A hearing device sound processor mixes internal and external signals to generate stimulation based on spectral information.

A hearing device switches directional microphone characteristics based on calculated signal-to-noise ratios.

Merging the microphone structure with the antenna feeder reduces occupation space and production costs while maintaining radio frequency performance.

Covering a supporting shell with wax improves acoustic resonance while enabling rapid manufacturing of complex shapes.

Adding a center microphone to a circular array isolates aliased vertical modes, reducing modal aliasing and extending the usable frequency range.

Beamformer segmentation isolates user speech from multi-directional background noise, improving recognition accuracy.

A sound collection unit captures acoustic data during physical component adjustments to evaluate interaction quality.

Surface transducers vibrate the sealed case wall to reproduce audio, resolving the contradiction between waterproof protection and sound quality.

Varying air gap thicknesses in a non-planar counter electrode compensate for mechanical compliance irregularities, boosting MEMS sensitivity by up to 5.3 dB.