Microphones TRIZ Cases

An ear hook with two portions clamps the auricle for stability while positioning the sound driver close to the ear canal without blocking it.

A wireless transmitter switches data destinations using stored identification information to maintain communication links.

Superhydrophobic coatings on transducer ports repel environmental aggressors, preventing occlusion while maintaining sensor functionality.

Segmenting the device into a piezoelectric stack and low-stress mechanical portion reduces deflection caused by vertical stress gradients.

A MEMS microphone uses two transducers in a shared volume to separate acoustic signals from power supply noise, improving rejection performance.

A deep neural network estimates direction of arrival using sub-band directional features extracted from time-frequency domain representations.

A wearable audio device detects environmental conditions and user biometric states to initiate targeted capability demonstrations.

A single microphone detects wind noise by analyzing audio frame correlation metrics and power ratio differences across frequency ranges.

Integrated amplifier merges capacitance and piezoresistive signal paths to boost sensitivity without expanding semiconductor chip area or power consumption.

An auricle hooking portion counteracts rotating torque from the microphone, improving wearing stability without adding bulk.

An adaptive active noise cancellation system dynamically adjusts gain and filter parameters based on detected user movement.

Nesting a microphone adjacent to the emission path within the first housing resolves the trade-off between noise cancellation and device size.

Directional sound beams measure acoustic energy decay to map room surface properties, enabling accurate spatial audio rendering without near-field interference.

Array pickup unit captures directional audio signals and processes them to suppress noise from overlapping sources.

Primary playback device generates compressed multichannel audio streams and transmits them wirelessly to satellite devices.

Control system evaluates notification importance against activity state thresholds to delay or release alerts, minimizing interruptions during user activities.

A lateral vent hole structure uses a metal layer with etch stop features to release micro-machined components on the same substrate side.

Relocating the speaker unit from the body concavity to the vertical neck panel reduces wiring length and increases layout freedom for existing cases.

A noise suppression apparatus applies frequency-dependent subtraction factors to mixed audio signals for effective wind noise reduction.

Multiple loudspeakers in a container create a three-dimensional sound field, resolving the limitation of flat horizontal speaker arrangements.

A wireless transmitter sends coded pitch signals to a bone conductor receiver for direct auditory feedback.