Microphones TRIZ Cases

Dual-sided microphone arrays with notification prevent hand coverage, maintaining sound source localization accuracy.

Segmented ear jewelry audio device uses a flexible conduit to connect wireless electronics to an extendable sound unit.

Directional loudspeaker groups form three-dimensional regional sound fields using ultrasonic transducers to isolate audio signals.

Segmented electroacoustic units transmit sound through spaced side holes, resolving limited directionality without complex structural redesign.

Silicon nitride frames paired with optimized comb finger geometry reduce electrostatic distortion while improving acoustic resistance.

Shoulder-mounted directional speakers project private audio beams to ears, maintaining situational awareness and natural communication.

Semi-blind source separation and fractional delays resolve the conflict between compact device volume and precise sound resolution in portable audio systems.

A protrusion on the electronic component module guides assembly tilting to keep connection lines clear of casing edges.

Dynamic mixing of ambient and ear canal microphone signals adjusts gain ratios based on detected background noise levels.

Segmenting an acoustic mesh into a closed center and open periphery attenuates wind noise while maintaining microphone frequency response.

A sound output device senses coupling state and separation distance to generate control information for wireless operation.

Through holes in the ear pad cup portion allow air flow to relieve enclosed space stuffiness while preserving sound isolation.

A cloud-based compatibility layer translates protocols between legacy playback devices and modern control interfaces.

A multi-modal audio system uses configuration detection elements to automatically adjust settings for optimal performance across various usage scenarios.

Segmented releasing portions in the fixing portion enable oxide etchant access to remove interfacial oxide, resolving reliability and noise trade-offs.

Protective film on dielectric films prevents structural damage during etching, ensuring acoustic efficiency.

A control device automates microphone gain setting via a single adjustment knob and display prompts.

A steerable speaker system uses facial recognition to detect user location and adjust audio output direction via actuators.

An audio adapter couples output signals to listening devices and external microphones via a multi-core cable.

A mobile terminal selects communicating and noise reducing microphones to generate a noise reduced signal.

A direction of arrival circuit controls adaptive filters in plural microphone arrays to prevent unwanted signal adaptation.

Separate cavities with narrow slits direct sound waves, resolving the trade-off between compact size and audio fidelity.

Dual microphones synthesize low signal-to-noise ratio speech parts from a distant reference, restoring spectral envelope accuracy.

Audio circuitry generates multiple resolution tracks from a single microphone signal, resolving device compatibility constraints.

A transfer function aligns motion sensor data with microphone response characteristics, reducing vibration noise in electronic devices.

A directed audio system uses transducer arrays to deliver personalized sound streams specifically to designated operators.

Combines delay and sum with differential beamformers to maintain consistent directionality across frequency ranges.

Sensors track ear position to orient directional speakers, transmitting private audio without environmental isolation.

Correlating microphone and speaker signals to attenuate audio output, eliminating echo caused by latency in active proximity detection.

Electrostatic force feedback in a MEMS microphone returns the diaphragm to its original position, canceling in-band resonance and aging errors.

A spatial encoding microphone array captures directional acoustic signals using multiple sensors.

Integrating an LED into the microphone cavity drives status indication from the audio signal, preventing unintended privacy exposure.

Multi-sensor system segments audio capture into bone conduction, air conduction, and wind noise microphones to suppress environmental interference.

A tabletop speaker system uses accelerometer data filtered by program audio signals to detect user taps on the case.

Corrects reference channel noise variance using estimated power level differences to prevent over-suppression distortion in primary audio signals.

An object position estimating apparatus generates characteristic vectors from reference point measurements to calculate a dissimilarity matrix for spatial estimation.

Amplifier remaps audio input channels to output devices between stereo and surround modes based on listener position.

Adaptive filtering extracts propeller noise frequencies to reduce system complexity and energy consumption.

Modular vibration array vibrates as a single unit to enhance sound pressure levels, overcoming bulky speaker constraints.

A host device generates haptic waveforms tailored to individual actuator capabilities for synchronized tactile feedback.

Separate acoustic channels prevent interference between multi-unit speakers, improving low-frequency performance without increasing device size.

A wave field synthesis loudspeaker array generates precise directional sound fields using calculated signals.

A transparent speaker film integrates between display substrates to generate sound without obstructing the visual field.

Coherent signal summation of proximate dual MEMS microphones reduces equivalent input noise by 3 dB while increasing speech strength by 6 dB.

Combined multi-source time difference of arrival tracking and voice activity detection mechanism for planar microphone arrays.

A loudspeaker driver moves between baffle and horn positions via a positioning element, enabling directivity control without adding speakers.

A speaker array processing unit adjusts reproduction sound phase to deflect an audio beam, expanding the radiable range beyond physical array length limits.

A neck-worn acoustic device uses open-backed drivers and waveguides to deliver sound directly to the ears.

Near-field magnetic induction transfers acoustic data between wireless devices, reducing ambient noise interference for clearer voice communication.