Microphones TRIZ Cases

A microphone array decomposes detected soundfields into sub-soundfield signals for separate processing and mixing.

A voice activated device integrates a heatsink and speaker assembly within a sealed chamber to maximize air displacement.

A flexible element allows the earmuff ear pad to move away from the head protective gear shell.

Segmented housings isolate the battery from the bone conduction cavity, preventing vibration interference and sound leakage during exercise.

A digital signal processor applies double delay-and-subtract beamforming to non-collinear microphone pairs for precise directional audio control.

A pivotable shield covers a user's mouth during speech to prevent eavesdropping on tactical audio transmissions.

A personal audio device uses a power manager to set conservation modes based on ambient noise levels.

A substrate recess with segmented upper, intermediate, and lower regions uses differential etching rates to define precise walls near the membrane.

Back-to-back speakers cancel rearward noise via phase inversion, resolving occupant confusion from omnidirectional alarm coverage.

Slotting the vibration membrane and injecting ions increases stiffness while reducing air damping to improve sensitivity.

A headphone control method simultaneously activates active noise cancellation and transparent transmission links to process external audio signals.

A microcontroller processes dual-microphone audio signals through encoding to generate data streams for noise cancellation.

Dual charging connectors on each earphone eliminate precise positioning requirements in the charging cradle.

Electrostatic parallel plate actuators use electrode dimples to reduce engagement forces while a controller monitors voltage discrepancies for self-diagnosis.

A three-dimensional acoustic web formed by interference between multiple acoustic waves enables precise spatial monitoring.

A noise suppressing apparatus calculates phase differences between sound signals from a microphone array to determine vocalization intervals.

Edge-lit light fixture integrates a secondary speaker within the housing cavity using an edge-lit LED waveguide configuration.

An integrated audio control apparatus manages multiple source devices through a unified interface.

A smart speaker power amplifier module retrieves model-specific algorithm parameters from a preset library to drive acoustic components.

A signal processing apparatus divides audio signals into frequency bands to form directional beams with adjustable directivities.

A speaker box integrates a heat exchange member within the sounding unit to conduct thermal energy away from the vibrating component.

A wireless stereo headset protocol establishes independent ear piece channels and a shared inter-ear link for audio data exchange.

A wearable base station manages audio routing between its integrated speaker and wireless earbuds via docking detection.

Multi-microphone voice input apparatus segments acoustic signals across distinct spatial positions to isolate user speech from ambient noise.

Acoustic filter structure using Helmholtz resonance to broaden bandwidth and enhance signal-to-noise ratio in MEMS microphone arrays.

Neural network detects abnormal microphone array channels using synchronized spatial signals.

A MEMS microphone lever element converts membrane deflection into tilting movement for signal transduction.

A rotatable positioning member adjusts the microphone capsule orientation within the housing assembly.

A two-microphone system uses acoustic barrier filters and variability feature vectors to classify audio source positions.

A noise dosimeter integrates an ear canal microphone with external housing circuitry to capture sound pressure directly at the eardrum.

Asymmetric backplate through-holes with inwardly concave portions block larger particles while maintaining acoustic signal transmission.

Segmented diaphragm structures release internal stress through slits and supporting portions, reducing low attenuation in capacitive microphones.

A movable component positions a third microphone closer to the user's mouth within an earphone housing.

Multi-layered coil embedded in diaphragm enables compact MEMS speaker design.

Co-located endpoints share loudspeaker reference signals to cancel background noise, preventing intelligibility loss for remote participants.

A speaker array apparatus controls sound phases to form virtual point sources or directional beams.

Identical speaker drivers produce controlled sound fields through dedicated signal processing channels applying delay and gain parameters.

Nested blade springs vary flexible section stiffness to balance comfort and aesthetics, eliminating bulky external mechanisms that obstruct design.

A pivotable headset fork engages a slider to limit maximum deflection, resolving the trade-off between adjustable fit and stable earpiece attachment.

A sound sensor array passively captures acoustic signals to create a sensing envelope around the vehicle.

Clustering time-delay estimates filters noise and reverberation to improve speaker diarization accuracy.

Dynamic noise power level estimation corrects reference channel variance to suppress background noise while minimizing distortion of targeted sound signals.

A rotatable microphone array uses inertial sensors to detect orientation and apply rotational corrections to audio signals.

Segmenting the casing opening into multiple winding attenuation channels equalizes internal pressure while blocking external sound from reaching the eardrum.

A ventilated earphone path uses a dynamic valve to switch acoustic states, blocking wind noise while maintaining wearer comfort during speech.

Magnetic dipole bonds connect detachable knot enclosures to fabric stems, eliminating uncomfortable collar bands.