Microphones TRIZ Cases

Adaptive loudspeaker arrays use digital signal processing to steer ultra-low frequency transducers, eliminating manual calibration and reducing setup time.

Segmented housing shields the transducer from RF energy while maintaining acoustic sensitivity.

A vehicle acoustic array steers directional sound beams to spatialize alerts for pedestrians.

A wearable system converts captured audio into spatially mapped text on a head-mounted display.

Nested substrate cavities enlarge the back chamber volume, resolving sensitivity loss caused by miniaturized package sizes.

Control unit steers broadband microphone arrays using pre-calculated beamforming weights for precise sound direction.

A microphone system adjusts high pass filter cutoff frequencies via a frequency controller to remove wind noise while maintaining beamforming speech processing.

Auditory steady state response calibration adjusts headset transducers using neural electrical signals for personalized audio output.

Positioning the earpiece microphone port within the concha reduces wind noise interference by utilizing anatomical shielding to block turbulent airflow.

A furniture assembly embeds a speaker system and electrical hub within its footprint to deliver high-fidelity audio without external wiring.

A mobile terminal acquires sound signals from multiple directions using at least three microphones to generate spatial audio.

A noise-cancelling earphone uses a staggered housing with two microphones to collect sound from different directions.

A sound source localization apparatus combines acoustic signals with thermal imaging to identify active speakers within defined physical spaces.

Independent charge pumps adjust bias voltages for each sense-capacitor, compensating for mechanical and electrical variations to maximize signal swing.

Segmented diaphragms with isolated dummy structures distribute operational stress to improve reliability without compromising acoustic performance.

A headset design integrates wireless charging coils within earcups supported by a spring-loaded holding mechanism that maintains structural alignment.

Piezoelectric elements replace mechanical motors to eliminate settling time, enabling microsecond response times for accurate frequency reproduction.

A conductive ear cushion flange extends sensor detection range, resolving false detections during style conversion.

A speaker isolates diaphragm vibrations using a thin plate elastic body aligned with the vibration direction, resolving space constraints in compact designs.

Encapsulating metal micropillars within an oxide layer creates a reinforced column that resists vibration and etching damage.

A configurable signal processing device routes microphone signals to voice activity detection modules.

A motor-driven smart speaker rotates its acoustic drivers to direct sound toward specific vehicle occupants.

Rotatable axes link the display portion to the headphone, allowing the unit to fold while preventing distortion of the elastic belt during storage.

Integrating a camera, depth sensor, and light ring into one housing resolves the trade-off between enhanced user interaction and increased device complexity.

A speaker box uses a gas permeable spacer to enclose sound absorbing particles within a rear chamber.

A beamformer method determines time delays using position deviation thresholds to minimize recalculations.

An optical microphone array replaces mechanical sensors to eliminate self-noise, enabling accurate speech recognition in small devices.

Wireless headsets monitor distance thresholds to create voice channels, eliminating manual intervention in noisy industrial environments.

Radial arms in a loudspeaker frame manage sound pressure and enable air cooling without adding structural openings that weaken rigidity.

An online trimmed MEMS microphone uses an ASIC chip to decode ultrasonic signals for autonomous circuit parameter adjustment.

Segmenting beamsteering from filtering reduces computational complexity while maintaining adaptability to acoustic environments.

A wearable audio device frame incorporates a counter-bore feature to position a metal mesh cover over the acoustic port.

A control system modifies audio capture device directivity modes to align sound beams with loudspeaker positions.

Segmented inner and outer headbands provide coarse and micro adjustments for comfort across varying head sizes.

An ultrasound apparatus generates interpolation scanning lines between real acoustic wave echoes to enhance deep tissue image quality.

Camera focus data drives microphone beamform adjustment to reject background noise and improve call clarity.

A MEMS microphone substrate features slots forming leakage pathways to equalize air pressure between the back volume and external environment.

Active shoulder rests embed sound diffusion speakers and voice-coil actuators to deliver vibrotactile feedback.

A portable electronic device incorporates a power generation unit that converts mechanical motion into electrical energy for internal circuitry.

A signal connecting module detects TRS connector pin positions via electrical signals to enable automatic path switching.

A directional ultrasonic emitter uses time delay modules to steer audio-modulated beams toward specific listeners.

Rib structures reinforce enclosures to dissipate vibration energy, reducing unwanted resonant frequencies while maintaining thin profiles.

A microphone array processor detects body-worn position to restrict beam search directions.

A combination sensor integrates acoustic and barometric transducers to detect ambient impairments.

A sound processing device synthesizes a reference signal from output audio to cancel speaker noise in microphone pickup.

A bone conduction microphone headset uses a buffer material to hold the sensor against the ear for clear audio.

Beam selection logic stabilizes directional tracking while delayed filter coefficients distinguish pre-wakeword noise from speech to preserve signal coherence.