Microphones TRIZ Cases

A porous resistive element inside the port damps spectral peaks and distortion, stabilizing frequency response.

A signal processing apparatus calculates phase differences between input signals to generate estimated interfering sound.

A MEMS transducer package uses a discontinuous acoustic port to manage sound transmission.

Segmented modules with simple connections enable quick replacement, reducing maintenance costs.

A flat panel loudspeaker chassis uses a ceramic composite outer perimeter to bond securely within a mounting surface.

A variable ear attenuator headset adjusts sound attenuation via a mechanical control knob, preventing auditory deprivation caused by fixed protection levels.

Dual diaphragms smooth the medium-high frequency curve, eliminating resonance peaks that cause harsh sound in compact smartphone speakers.

Adaptive Wiener filtering reduces noise amplification in Ambisonics representations by computing frequency-dependent regularization parameters.

Linearization springs reduce longitudinal stresses on elastic blades, preventing stiffening and maintaining bandwidth in micrometric loudspeakers.

Acoustic ducts route sound from transducers to create null regions, reducing bystander intelligibility while improving frequency response.

Replacing bulky voice coils with slanted piezoelectric ceramic speakers reduces headphone volume while maintaining reliable multi-frequency sound reproduction.

A ferrofluid voice coil speaker design places magnetic fluid on one side of the annular gap to exert radial centering force.

A wireless access point controller assigns user bandwidth status based on location and device type to manage network resources efficiently.

Internal cord grooves prevent tangling while magnets enable automatic device activation, resolving organization and accessibility trade-offs.

A microphone uses a sound delay filter with matrix holes to capture directional audio.

A dual-diaphragm MEMS assembly uses a center constraint to connect diaphragms to the stationary electrode.

A mask apparatus uses a pressure sensor to detect breathing phases and dynamically controls speaker output.

A conductive bone conduction transducer frame capacitively couples to a wearer for on-head detection.

A smart headphone uses a sensor and controller to detect external sound and adjust audio playback state automatically.

An adaptable audio headset uses dual circuits to switch between active and passive signalling modes for seamless device compatibility.

A PPE sound processor modifies ambient audio using local algorithms to amplify speech and reduce machinery noise.

Profile management system stores and retrieves audio device configurations across computing platforms.

An integrated ceramic back plate and spacer layer minimize air turbulences for accurate sound measurement on sensitive surfaces.

Portable wireless listening device featuring a multifunction input button with an offset rotation axis for intuitive user interaction.

A speech signal generator combines microphone inputs using similarity indications derived from non-reverberant reference properties.

Curved vertical stacks of acoustic sources minimize parasitic lobes and interference sound fields while reducing installation complexity.

A microphone array detects voice activation, locates the source direction, and enhances the signal for clear far-field pickup.

Electronic devices process and compress audio and video data locally before transmitting target data to connected applications.

Sub-band gain control suppresses wind noise in personal sound amplification products without increasing processing latency.

A stereo microphone array with oblique arrangement and phase detection circuit adjusts sound collection directivity.

Segmenting woofer and tweeter paths with a separation plate resolves volume-quality trade-offs in compact TWS earbuds.

Headset microphones combine fixed beamforming with adaptive filters to steer nulls toward noise sources, preserving speech clarity in high-noise environments.

Segmenting the membrane into a front part and rear spring-supported part resolves instability in compact designs.

A speaker calibration method adjusts gain to minimize sound at a mute position.

A frequency-domain denoising method estimates speech presence probability and acoustic channel transfer functions to generate an optimal linear projector.

Audio focus objects carry direction and priority attributes to enable user-controlled spatial rendering.

A hearing device sound receiving arrangement spans the tragus to position microphones for improved beamforming directivity.

A computer-implemented method converts transducer element location simulations from the spatial domain into the spatial frequency domain to determine directional frequency response.

A device detects acoustically reflective surfaces using impulse response data to adjust audio settings.

A ceiling-mounted microphone array steers acoustic beams to capture speech signals from moving participants.

A sound field reproducing apparatus mixes spatially shifted spectra from multiple linear microphone arrays to generate a single mixed signal.

Adjacent resonance transducers strengthen intermediate sound waves, maintaining uniform pressure distribution across varying object positions.

A matte coating applied to in-ear audio device surfaces mitigates detectable rubbing noise during sleep.

Fractal-based transducer spacing eliminates symmetry axes, suppressing side lobes while scaling modular audio arrays.

Integrated mechanical and electrical coupling devices enable automatic contact engagement during loudspeaker housing installation.

A wearable headset signal processing unit mixes enhanced vocal feedback with external audio for real-time user monitoring.