Microphones TRIZ Cases

Multiple beamformers, VAD, echo cancellation, and noise reduction improve DOA accuracy and speech intelligibility for exterior vehicle calls.

Integrated earbud sockets and control circuitry let headphones manage multiple audio sources with selective playback, charging, and noise cancellation.

Interpolated arrival angles and virtual capture arrays extend binaural audio rendering to extreme viewer orientations with higher spatial accuracy.

Curved, deformable ear-hook contact regions improve fit across ear shapes while reducing pressure points and slip.

A T-shaped diaphragm support expands MEMS microphone displacement range, raising sensitivity and compliance while reducing stress and wrinkling.

High flux density in the outer magnetic circuit creates stray field that lowers magnetic force, enabling softer suspension without raising resonance.

Dynamic microphone-to-ADC switching expands sound pickup range across device poses without adding converters or microphones.

Surface-mounted MEMS receivers on a flexible PCBA free posterior space, improving fit in narrow ear canals without losing acoustic performance.

A paper-base diaphragm uses plasma-modified NiMo nanomaterial ring coatings to improve acoustic response, conductivity, and durability.

A wheel and touch interface maps context-based inputs to playback, search, settings, and lighting functions without adding control complexity.

A steerable microphone array uses DSP beamforming to align captured and playback audio with video direction in surveillance recordings.

UWB location sensing and 3D spatial audio help hearing protection suppress sirens while preserving speech and situational awareness.

UWB localization and 3D audio let hearing protection suppress siren noise while preserving speech direction and situational awareness.

Multiple microphones estimate incoherent wind noise, suppress it adaptively, and preserve spatial metadata for clearer mobile video audio.

A microphone array and DSP steer recorded surveillance audio independently of video direction while preserving audio-video synchronization.

Battery status is handed off from docked earbuds to the case, keeping charge updates available while earbud radios stay powered down.

Clustered directional and omnidirectional arrays capture close-range audio while cancelling far-field noise and reducing feedback in live SPL environments.

Shape memory alloy earbuds and earpads conform to ear geometry with heat, improving comfort, stability, and acoustic sealing.

A sealed ear-canal microphone boosts low-frequency speech over ambient noise, improving SNR without heavy noise reduction processing.

Beamformed multi-lobe microphones isolate player, crowd, and noise-source audio for immersive arena mixes without manual mic adjustment.

A controlled 0.03-1 N ear-hook clamp keeps the ear canal open while improving fit stability, sound intensity, and leakage control.

A separate evaluation unit handles microphone-array processing so smartphones can visualize sound sources in real time without heavy onboard computing.

Wireless audio and direction finding preserve sound localization in aviation headsets while removing cable and connector complexity.

An integrated mass block on the MEMS diaphragm simplifies bone-conduction packaging, cuts cost and size, and enables sensitivity tuning.

A low-pressure cavity between the diaphragm and backplate cuts damping, enabling smaller bone conduction MEMS packages with better sensitivity.

An onboard FPGA or ASIC processes microphone-array data before it reaches a phone or tablet, enabling real-time sound source localization.

Mechanical displacement transfer separates sensing from the diaphragm, cutting acoustic resistance while keeping the microphone compact.

Low-frequency speaker signals and vibration motor action dislodge dust and moisture from sound openings to restore stable audio output.

User gaze guides video framing, zooming, and sound image coordinates to improve interaction and audio-visual alignment in free viewpoint content.

Using both high and low clock phases, this microphone output scheme doubles shared-line data rate and improves dynamic range without raising clock speed.

Frequency-split audio and phase-canceled drivers cut acoustic spillage in crowded settings while preserving clear personal listening.

Oblique camera geometry captures multiple focal depths in one scan, keeping specimen objects in focus while reducing slide acquisition time.

A pivot-linked membrane opening and frame island cut deformation losses, preserving resonance frequency and capacitive sensing sensitivity.

Orientation sensors and synchronized earpiece motion let headphones auto-switch left and right channels while reducing bulk and saving power.

A tracking bias circuit with MOSFET pseudo-resistors and switched capacitors cuts silicon microphone offset while preserving linearity and recovery.

Microphone-based boundary detection lets a speaker self-calibrate with impulse response analysis and EQ to offset wall and shelf effects.

Button controls are moved off the acoustic path so the headset keeps sound volume while integrating microphones, power, and user controls.

Beamforming-based position detection assigns left and right audio channels automatically, avoiding speaker pairing confusion in dual setups.

A microphone mounted in the speaker front volume improves ANC feedback near the ear while sealed contacts simplify compact audio assembly.

NFC tag matching unlocks specific headphone audio files and starts playback automatically, improving selective access without PIN-based friction.

Varying cover impedance reflects ambient sound and routes gap leakage into a foam core, preserving passive noise reduction around glasses or masks.

Temples fasten directly to the headband, replacing support brackets with a secure, pivotable spectacles mount that improves fit and versatility.

A shielding structure blocks selected side openings so speaker and receiver sound follow intended paths while preserving symmetric hole placement.

Automatic channel detection lets a portable speaker switch between wired and wireless audio inputs without manual source selection.

Active noise cancellation uses air and bone conduction microphones to remove body-generated sounds and keep earpiece audio clear.

Magnetic coupling keeps earphones secured to clothing to prevent tangling while triggering automatic device activation or deactivation.

Visual source localization guides transfer-function selection so multi-channel speech can be compressed with lower bandwidth and preserved audio quality.

Harmonic power integration and PCA turn recorded instrument tones into a reproducible timbre vector for robust comparison and classification.

Whisper and ear-movement sensing let wearable audio devices trigger modes and commands discreetly without a wake word in noisy public settings.

Compensation filters correct fixture- and positioning-induced signal errors, enabling more accurate headphone electroacoustic testing.