Microphones TRIZ Cases

Duty-cycled pilot signals reduce power consumption while maintaining detection accuracy across diverse acoustic scenarios.

A speaker mounting device uses a rotatable shaft member to drive a movement prevention member for secure wall attachment.

Pre-selecting beam widths and transition slopes standardizes patterns across frequencies, resolving self-nulling issues in audio signal extraction.

A wearable electronic device adjusts binaural sound processing using head and eye tracking data to align perceived audio with intended spatial locations.

A non-planar vibration member divides into independent regions to prevent sound interference and improve stereo output quality.

An adaptive filter subtracts wind noise components from multi-microphone signals, resolving inefficiencies in time-varying noise suppression.

Optical sensors map room surfaces to adjust beamforming algorithms, reducing acoustic reverberation and improving voice recognition accuracy.

Converging divider walls in a loudspeaker wave front shaping device maintain constant surface area to eliminate off-axis sound pressure level peaks.

A measurement device with arc-shaped pillars supports acoustic output units at uniform distances to capture head-related transfer function data.

Rotating the housing structure directs specific speaker configurations to resolve adaptability and acoustic output limitations.

A top-port MEMS microphone integrates a monolithic protection element at the upper side to reduce front volume and enhance mechanical stability.

A foldable device processor detects folding state to adjust microphone recording configurations dynamically.

A ring sound wave shaper uses a thin flexible membrane to generate point-shaped or ring-shaped acoustic output.

Asymmetric groove and ridge geometry prevents Z-axis rotation while allowing X-Y flexibility, stopping disconnection.

Acoustic monitoring systems analyze server sound data to reduce noise pollution while maintaining cooling efficiency through feedback control.

An embedded microphone array applies dynamic beamforming to isolate target audio from noise interference.

A MEMS microphone manufacturing method controls cavity side wall angles through segmented etching cycles.

Moveable connecting portions separate speaker drivers, resolving the trade-off between compact device size and stereo imaging accuracy.

A headphone jack circuit detects plug configuration using switch arrangements and a microphone bias signal to align ground connections.

Exposing charging contacts on the PCB surface eliminates custom connector blocks and resolves axial alignment issues.

Hollow lanyards route earphone wires through garment seams to eliminate choking hazards while maintaining reliable audio connectivity.

Thermoset shape memory polymers allow reversible wearable customization by transitioning above glass transition temperature to lock individual anatomical fits.

A support bracket connects loudspeaker assemblies via an elastic element to maintain spacing and reduce vibrational coupling.

A vibration sensing assembly uses an airflow channel to balance pressure between internal cavities.

A detection circuit uses resistors and a comparator to measure voltage differences for earphone button state identification.

A bi-directional power conversion circuit manages charge and discharge modes in battery-powered audio devices.

A headset processing subsystem compares internal and external sound pressure levels to determine ear cup seal integrity.

A safe earphone uses a metal shielded wire to isolate the human body from electromagnetic radiation while maintaining high sound quality.

Hydrogel ear tips distribute electrical charge to prevent localized current buildup and minimize skin damage during vagus nerve stimulation.

Segmented driver arrays with independent delay stages resolve sound field consistency issues while maintaining wide coverage areas.

Segmented spider-web counter electrode equalizes pressure across through holes to maintain stable sensitivity under varying external conditions.

Organic aerogel housing with mesh reinforcement reduces mass while maintaining structural rigidity to minimize resonance in sound devices.

A stenomask adapter device suspends the oral stenomask using two support arms that secure over the user's ears.

A steerable first-order differential microphone array decomposes target beampatterns into cardioid and dipole sub-beamformers.

A MEMS sensor uses a movable acoustic port cover to isolate the internal chip from external environments.

Audio zones with independent engine and cabin noise controls.

Dual-feedback loops stabilize MEMS capacitive sensors near pull-in points, resolving the trade-off between high sensitivity and electrical instability.

A calibrated speaker plays continuous sound while the device measures microphone response to compute sensitivity values.

Three vertically disposed driver arrays achieve simultaneous impulse arrival at the listening position.

Segmented mounting prevents ceiling tile deformation while coil springs secure the lightweight enclosure against sound diffusers.

Central mechanical coupling in dual membrane MEMS microphones reduces acoustic stiffness while maintaining structural integrity.

A top port microphone configuration places the acoustic passage on the substrate surface opposite the electrical pads.

Nesting the receiver inside the housing at an angle resolves space constraints while enabling active noise cancellation.

A fractional order beamformer generates continuous compromises between integer and omnidirectional beampatterns.

An echo cancellation system uses audio beamforming to separate target signals from playback references across multiple channels.

A mount assembly uses a collar and independently compressed arms to support electronics in ceilings.

A 3D microphone array breaks mirror symmetry in 2D designs, enabling precise front-back and up-down direction discrimination.

Decomposes audio signals into low and high frequency sub-bands to apply targeted beamforming techniques for dominant speech extraction.

A 360-degree sound detector system translates acoustic signals into directional data for a handheld display.