Microphones TRIZ Cases

A domain controller senses cabin conditions and automatically adjusts speakers and audio processing to maintain optimal in-vehicle sound.

Three capacitive sensors across the earcups and headband cut false on-head triggers from hand contact, reducing unnecessary power use.

A stacked movable MEMS layer increases fluidically effective surface while keeping small gaps, lowering pull-in risk and operating voltage.

Opposite-polarity MEMS cells and a synchronized flap pair boost airflow for heat dissipation while reducing ultrasonic energy leakage.

Positioning regions in the upper and lower case constrain earphone movement during vibration to prevent collisions and maintain charging contact stability.

Dual acoustic exit paths and perforation geometry tune impedance so one transducer can cover broadband AVAS and high-SPL horn output.

A 360° sound cavity and radially offset microphone array improve horizontal speech pickup while attenuating ceiling and ventilation noise.

A dual-layer PCB layout uses vertical space in supra-aural earphones to add circuitry without increasing housing size, weight, or EMI.

A flexible acoustic channel cover deforms via a transducing element to tune damping, resistance, and filtering after manufacturing.

Microphones and speakers at a wall opening generate anti-noise to cut outdoor sound entering a room while keeping ventilation.

A partition wall and separated acoustic paths limit speaker-microphone interference in ear-worn audio while preserving aperture ratio and ANC.

FFT-based power sequence comparison identifies source direction quickly and stably in conference audio, improving azimuth accuracy under noise.

Prestored ANC parameter sets adapt to ear canal fit and ambient noise, improving headset noise cancellation consistency.

A mismatched microphone vent acts as a mechanical high-pass filter, cutting low-frequency wind noise while preserving audibility in hearing aids.

Opposite-polarity dual cells and synchronized flap pairs boost MEMS airflow while limiting ultrasonic energy leakage.

Video head detection aligns directional microphone beams with positional audio channels, improving cross-view conference playback clarity.

Phase-reversed mid-bass output cancels unwanted height-channel direct radiation while preserving ceiling-bounced immersion and wider seating.

A 360-degree sound cavity and radially placed microphones improve horizontal speech pickup while attenuating ceiling and ventilation noise.

Speaker vibration drives movable ornament parts through a guided structure, turning a static display into an interactive decorative object.

Ultrasonic mixing exploits microphone nonlinearity to make covert recordings indecipherable while compensation preserves the intended audible sound.

Anonymized noise scores combine with smoke and reservation data to flag property damage risk without reproducing guest conversations.

Virtual sensors on an elastic surface boost beamforming directivity and speech intelligibility while cutting hardware complexity in noise.

Compact comb electrodes keep capacitive sensitivity high while reducing squeeze-film damping and noise in vibration-robust inertial sensing.

Microphone-captured server noise spectra guide Helmholtz metasurface tuning to suppress peak frequencies without blocking heat dissipation.

Mirrored shepherds-hook waveguides and two loudspeakers spread tabletop conference audio evenly while minimizing comb filtering.

Dual positioning regions in the case limit earphone vibration and shifting, helping maintain charging contact stability and reduce collision noise.

Combining directional and omnidirectional microphones creates forward pickup in thin flush-mounted devices while improving noise rejection.

By relocating the microphone near the nozzle inlet and shaping the sound path, this case improves ANC while limiting high-frequency reflection.

A rigid substrate and oversized acoustic cavity reduce vibration coupling and membrane stiffening, improving optical microphone sensitivity and SNR.

Rotating transmission shafts and pivoted arms increase movable electrode displacement while limiting energy loss, size growth, and pull-in risk.

Combining primary and secondary audio signals lets hearing devices steer processing consistently in asymmetric acoustic scenes with less wireless load.

Array filters combine front- and top-facing transducers to reproduce left and right height channels without overhead speakers.

A planar diaphragm splits the enclosure into two acoustic chambers to raise SPL in miniature speakers while reducing distortion and moving mass.

A curved transducer array uses two-level drive without resistor attenuation to keep loudspeaker beamwidth and directivity stable across frequency.

Bimorph MEMS tune Helmholtz resonator airflow to absorb changing server noise frequencies without blocking heat dissipation.

Drum-shaped molecular sieve particles shorten gas diffusion paths in small speaker cavities, improving low-frequency acoustic performance.

A low-stiffness connecting member buffers piezoelectric vibration transfer to protect the diaphragm and extend loudspeaker service life.

Steerable speaker and microphone beams deliver clear pilot communication without headsets while limiting cabin noise from cockpit alerts.

A viscoelastic gel damps MEMS resonance peaks without electrostatic complexity or precision squeeze-film gaps, while keeping stiffness low.

Target-map training lets a neural network localize any number of sound sources with high spatial resolution and shorter inference time.

Gravity data from an inertial detector lets a clip-on earbud identify left or right ear wear and trigger the correct control event.

Adaptive ANC parameters matched to ear canal fit reduce noise leakage and preserve audio clarity across changing ambient noise.

A folded rigid-flex PCB wraps around a columnar battery to save space and reduce antenna interference in compact earphones.

A support connector isolates the key module from the earphone core, preserving speaker volume while enabling call and music controls.

Patterned electrodes and controlled piezoelectric etching create a smooth self-aligned acoustic hole that cuts leakage and airflow turbulence.

A detachable housing and rod mount let one speaker module switch between protected cavity mounting and flexible supported installation.

Interconnected ear cups route audio and non-audio data between body-worn devices while cutting cable count and damage risk.

Adjustable hanger assemblies and auto-pin locking let one user rig line array speakers at precise splay angles for faster setup and teardown.

Near-field headphone microphones and multi-task learning estimate respiratory rate and breathing condition without intrusive contact sensors.

A slide-lock earphone case replaces magnetic fastening to avoid signal interference, secure the cover, and extend service life.