Microphones TRIZ Cases

An ear hook with two portions clamps the auricle for stability while positioning the sound driver close to the ear canal without blocking it.

A wireless transmitter switches data destinations using stored identification information to maintain communication links.

Superhydrophobic coatings on transducer ports repel environmental aggressors, preventing occlusion while maintaining sensor functionality.

Segmenting the device into a piezoelectric stack and low-stress mechanical portion reduces deflection caused by vertical stress gradients.

A MEMS microphone uses two transducers in a shared volume to separate acoustic signals from power supply noise, improving rejection performance.

A deep neural network estimates direction of arrival using sub-band directional features extracted from time-frequency domain representations.

A wearable audio device detects environmental conditions and user biometric states to initiate targeted capability demonstrations.

A single microphone detects wind noise by analyzing audio frame correlation metrics and power ratio differences across frequency ranges.

Integrated amplifier merges capacitance and piezoresistive signal paths to boost sensitivity without expanding semiconductor chip area or power consumption.

An auricle hooking portion counteracts rotating torque from the microphone, improving wearing stability without adding bulk.

An adaptive active noise cancellation system dynamically adjusts gain and filter parameters based on detected user movement.

Nesting a microphone adjacent to the emission path within the first housing resolves the trade-off between noise cancellation and device size.

Directional sound beams measure acoustic energy decay to map room surface properties, enabling accurate spatial audio rendering without near-field interference.

Array pickup unit captures directional audio signals and processes them to suppress noise from overlapping sources.

Primary playback device generates compressed multichannel audio streams and transmits them wirelessly to satellite devices.

Control system evaluates notification importance against activity state thresholds to delay or release alerts, minimizing interruptions during user activities.

A lateral vent hole structure uses a metal layer with etch stop features to release micro-machined components on the same substrate side.

Relocating the speaker unit from the body concavity to the vertical neck panel reduces wiring length and increases layout freedom for existing cases.

A noise suppression apparatus applies frequency-dependent subtraction factors to mixed audio signals for effective wind noise reduction.

Multiple loudspeakers in a container create a three-dimensional sound field, resolving the limitation of flat horizontal speaker arrangements.

A wireless transmitter sends coded pitch signals to a bone conductor receiver for direct auditory feedback.

A soft bond layer absorbs mechanical stress from hard PCBs, protecting sensitive MEMS components and improving assembly yield.

Merging individual members into an integral phase plug eliminates assembly imperfections that degrade sound quality in compression drivers.

A slit shaped waveguide directs pressurized air to emit controlled sound waves, preventing early reflections in thin frameless televisions.

Constant current elements in the display circuit isolate lighting operations from the audio signal path, preventing noise interference during LED switching.

Audio processing system calculates correlation values between delayed signals and speaker output to identify defective microphones, reducing maintenance time.

Segmented drive units and Helmholtz resonance reduce distortion in compact enclosures, maintaining uniform frequency response from 100 Hz to 20 kHz.

Phased array loudspeakers create directional audio zones that eliminate noise spillover without requiring headphones or physical soundproofing.

A transducer system uses a symmetry detection circuit to monitor differential output asymmetry and trigger a repair mechanism.

Analyzing microphone resonance frequencies eliminates dedicated sensors, reducing hardware costs while maintaining accurate on-ear detection.

A MEMS microphone integrates a phase delay unit with zigzag sound passages to enhance directionality through analog acoustic manipulation.

Door-mounted speakers use a dynamic cover to direct sound outside while maintaining interior audio quality.

A dynamic magnetic connector compensates for alignment errors in minimalist displays, preventing brittle magnet damage while ensuring stable coupling.

A spatial sound energy distribution control apparatus calculates filter coefficients to optimize acoustic field parameters for array speakers.

Dynamic diaphragm stiffness adjustment resolves the trade-off between low-sound sensitivity and acoustic overload limits in MEMS microphones.

Segmented architecture extends recording duration without increasing core volume by attaching optional modules via magnetic guides and adjustable contacts.

A smart speaker uses ultrasonic triangulation to detect mobile device positions and apply location-specific filter settings for optimized audio output.

Segmented support posts distribute mechanical stress away from the central pillar, preventing diaphragm cracks while maintaining acoustic sensitivity.

A wearable microphone array uses a logarithmic spiral transducer configuration to capture directional audio signals.

Segmented sound insulation blocks directional noise between microphones, resolving the trade-off between isolation and source adaptability.

Neckpiece anchors earpiece cables at the neck to eliminate entanglement and pull-out during user movement.

Tuning the distance between the compliant membrane and reflector reduces squeeze film noise penalties while maintaining high interference pattern resolution.

Single printed circuit board integrates MEMS microphone and amplifier electronics for automotive vehicles.

Processor adjusts calibration parameters using cross-microphone sound information to maintain consistent audio output between left and right earpieces.

Gasket notches detect internal leakage paths between sound ports, preserving directional sensitivity and sealing integrity.

An integrated windscreen and high-level limiter reduce wind noise by 5 to 30 dB, improving sound clarity without disrupting desired sounds.

Primary audio bud consolidates microphone data from secondary bud to improve noise cancellation and enable physiological monitoring.

Waterproof breathable film balances pressure in loudspeaker modules while a resonant groove forms a Helmholtz resonator.