Microphones TRIZ Cases

Integrates low-voltage LEDs with adjustable transducers to resolve the trade-off between installation simplicity and flexible sound direction.

Analyzing acoustic transfer function changes via existing hybrid noise cancelling microphones eliminates additional sensors while maintaining battery life.

A communication component modifies audio waveform production at identified segments to mitigate processing delays.

Opposite polarity MEMS transducers generate a composite differential output signal through subtraction.

Backside recesses in thin substrates create cavities that improve signal-to-noise ratio while maintaining mechanical stability during production.

Adjusting primary and secondary sidetone signal amplifications in opposing manners to eliminate comb-filter effects from wireless transmission delays.

A planar audio tracking system uses virtual cross-dipole and monopole microphones to estimate source angles via filtered sum beamforming.

Central membrane portion extends through electrode opening to build kinetic energy, resolving microscopic loudspeaker displacement limits.

A vocal feedback device accentuates the fundamental frequency of speech signals using a dedicated circuit and delay mechanism.

Pre-distorted signal linearizes nonlinear loudspeaker system, isolating target signal from residual echo without computation delays.

External alignment nub transfers precision to macro fixtures, resolving fragile internal gauge reliability issues in miniature transducer assembly.

Conductive tracks maintain electrical continuity during rotation, resolving disconnection risks in modular sound systems.

A polyhedral microphone array decomposes audio signals into eigenbeams to enable precise spatial rendering.

Varying pillar density across the diaphragm resolves the trade-off between maximizing sensitivity and minimizing acoustic damping.

A directional speaker system adjusts audio signal delays based on real-time user location tracking to create precise sound focal points.

Nested mesh patterns in a MEMS backplate balance sensitivity and noise by combining structural support with fine particle filtering.

Acoustic coupling between speaker and microphone ports cancels feedback noise, resolving positioning complexity in hands-free earsets.

A controller drives an acoustic transducer by locating reactance minima, enabling efficient particle separation while minimizing energy consumption.

A handsfree microphone system adapts frequency response and directivity using filter coefficients to optimize speech output.

A dual-mode loudspeaker produces directional audible sound using ultrasonic carrier signals, reducing disturbance in public settings.

A baffle section creates asymmetric acoustic paths to resolve interference from symmetric back surface sources, improving detection accuracy.

A microphone system combines capsule signals using weighting factors to generate arbitrary directivity patterns.

An acoustic coupler channels rear waves from a vehicle loudspeaker to the exterior, eliminating extra hardware while maintaining full-spectrum audio coverage.

A voice extraction unit isolates user speech by analyzing sound source directions and removing external apparatus output sounds from microphone inputs.

A receptacle with a convex back wall protrusion mounts between structural members to secure low-voltage devices.

A video conferencing system uses beamforming microphone arrays to capture directional audio signals for spatially realistic stereo reproduction.

Automated testing apparatus categorizes MEMS sound transducers via acoustic detection, preventing air pressure interference between adjacent positions.

Segmented acoustic ducts distribute external pressure before it reaches the diaphragm, preventing collision with the back plate.

Nested flexible membranes protect sensor capacitance from moisture and particles while maintaining acoustic transparency and signal-to-noise ratio.

A video conference terminal uses a smart terminal and projection device to transmit real-time data and enlarge visual content across split screens.

A stratified stream system directs fuel via a toroidal outer flow to improve ignition and combustion efficiency.

Segmenting the single diaphragm into a coupled double structure improves signal-to-noise ratio and sensitivity in miniaturized silicon microphones.

A beamforming array uses ring radiator loudspeakers and digital signal processing to control sound directivity.

An insulation connecting pillar links the diaphragm venting portions to the backplate, stabilizing the structure against warping during rapid air discharge.

Comparing dual microphone signals determines positions to select head-related transfer functions, resolving accuracy complexity trade-offs.

Audio control section generates opposite phase signals to cancel noise from tactile presentation units.

A sound test device uses a conical insert to suppress standing waves during MEMS microphone calibration.

Beamforming matrices align acoustic signals with visual ranges, resolving divergence between auditory and visual fields.

An in-ear speaker system captures dynamic head position data to determine head-related transfer functions.

A characterization engine detects wind noise in acoustic signals using multiple microphones to classify and suppress interference.

Separate audio monitoring devices process secondary signals to distinguish them from primary capture, enabling real-time user adjustments for noise reduction.

Segmented modules capture voice inside masks and project amplified audio outside to overcome muffling.

A speech enhancement system isolates wake-up-word sources using confidence levels from multi-signal inputs.

A coaxial acoustic radiator design integrates a flexibly suspended audio speaker within an enclosure to function as part of the passive radiator.

Horn mouth braces create internal compartments that nest satellite speakers, preventing component loss and reducing setup time.

Sound profiler uses microphone array data and listener position to generate synthesized audio, resolving accuracy versus device complexity trade-offs.

Vibrators drive the display panel to localize audio at visual source positions, resolving mismatch across multiple video windows.

Segmented microphones on a headset boom suppress ambient noise and improve sound collection without increasing device weight.

Differential microphone circuit measures electrical output across a bias resistor using a junction gate field-effect transistor current source.