Microphones TRIZ Cases

Loudspeaker array beam forming creates virtual sound sources to separate multiple audio sources, reducing driver distraction during telephone conferences.

A nanoscale membrane couples piezoelectric surface waves to the eardrum, eliminating bulky diaphragms and reducing transducer weight.

Non-circular backplate holes increase total area to reduce air flow resistance, improving signal-to-noise ratio by 6 dB without sacrificing output.

A speech input device detects activation duration and sound levels to differentiate between press-and-release and push-to-talk modes.

Gas-filled elastic cavity isolates microphone from ambient noise, improving voice input reliability in noisy environments.

Audio output device adjusts active noise cancellation levels based on signal detection to optimize sound quality.

A wireless earphone charging box uses a magnetic field control circuit to suspend the earpiece based on sensor inputs.

Cross-pattern analysis combines weighting coefficients to produce weighted spectral components for microphone signal processing.

Audio pickup circuit switches between microphone array and wireless transceiver to maintain voice quality in noisy or distant environments.

A hetero material acoustic diaphragm bonded to a piezoelectric layer resolves low frequency reproduction limits and resonance distortion in compact speakers.

Dielectric comb structures with controlled voids provide force feedback to compensate for atmospheric pressure fluctuations in compact microphones.

Segmented speaker modules align along a central axis to generate omnidirectional sound fields, resolving assembly bottlenecks from large conventional units.

Concave-convex anchors filter high-frequency noise in MEMS microphones, improving signal-to-noise ratio without increasing manufacturing precision.

Periodic diaphragm relaxation enables multiple sound pulses per half-cycle, reducing chip surface area and production costs for MEMS arrays.

An adaptive control module selects stable measurements from acceleration or acoustic sensors to resolve high-speed measurement reliability issues.

Flexible joints connect drivers in a curvable line array, allowing articulation into arcuate shapes that widen vertical dispersion for multi-plane coverage.

A signal processing device selects spatial correction schemes to reproduce acoustic fields.

A microphone capture simulation system generates renderable audio signals by processing directional microphone data to simulate full-sphere sound.

An inclined microphone nested between the bezel and display module directs sound reception toward the user.

A power supply and wireless audio distribution assembly transmits signals via Bluetooth to active speakers.

Room-temperature moldable ear inserts conform to the ear concha, resolving comfort and structural strength trade-offs.

A signal processing device converts spherical harmonics expansion coefficients into weight factors for multipole speaker arrays.

Inboard elastomeric bodies within retention chambers absorb vehicle frame vibrations, reducing speaker assembly rattles and damage.

Processor determines sound direction-of-arrival across spaced arrays to identify blockages and select the unobstructed array for telepresence audio.

A charging box switches pogo pins between power and data modes, eliminating extra interfaces.

Segmenting source subsets reduces computational complexity while maintaining measurement precision for real-time speech interfaces.

Automated sensor detection tracks loudspeaker movement to adjust drive parameters.

Segments noise estimation into monaural and binaural modes to resolve voice activity detection reliability contradictions, reducing musical tones.

Polygonal diaphragm segments combine into a spherical shell to eliminate rigid portions that cause frequency response peaks and dips.

A speaker detects wind noise via acoustic input to generate a reference signal for audio processing.

Media device delivers personalized audio using speaker calibration signals and user position triangulation, resolving multi-listener localization conflicts.

Curved ribs in a monocoque speaker enclosure reduce sound distortion and energy loss.

Segmented diaphragms with distinct rigidities expand sensing range while reducing layout area compared to multiple discrete devices.

A modular loudspeaker grill assembly uses segmented components and self-tapping fasteners to enable easy color customization.

A ring headset detects wearing positions using pressure, touch, deformation, and temperature sensors to switch working modes.

Multiple individual wireless earbuds receive audio signals directly from a common source to produce stereo sound in both ears.

Digital headphone controller adjusts spectral masks across multiple audio transducers for personalized sound profiles.

A MEMS microphone diaphragm uses segmented doped and undoped polysilicon regions to generate electrical signals while maintaining structural compliance.

Carbon nanotube wire structures replace metal coil lead wires in loudspeakers to prevent fatigue fractures and extend device lifespan.

Backplate protrusion structures prevent diaphragm sticking during isotropic etching, preserving mechanical strength and sensitivity.

A convex movable membrane merges with the enclosure to form a continuous spherical surface that minimizes acoustic diffraction.

A protective grille and flow bypass shield an acoustic sensor from road traffic debris, ensuring accurate noise measurement in harsh environments.

A guard ring with a vent aperture equalizes internal pressure, preventing can tilt and geometric deformation during high-temperature reflow soldering.

Modulated ultrasonic beams cancel audio in specific zones, eliminating unauthorized sound reception without headsets.

Sidewall support members prevent vibration membrane breakage in MEMS microphones without increasing substrate contact area.

A digital microelectromechanical microphone uses a band-pass sigma-delta modulator to process ultrasonic signals independently from audible frequencies.

A MEMS microphone replaces digital signal processing with a passive phase delay unit, reducing device complexity while maintaining directionality precision.

A microphone array analyzes phase delay variance to identify acoustic sources and control beamforming parameters.

Merges acoustic and structural functions to enhance rigidity while reducing device complexity.