Microphones TRIZ Cases

A control platform detects accessories and triggers to switch ANR, EQ, and user profiles for clearer, safer audio use.

A feedforward sensor detects body-conducted vibrations, enabling cancellation of ear-canal sound pressure during audio playback.

This case uses a damping medium between functional modules and the shell to reduce airflow-driven resonance in electronic devices.

This speaker places amplifier boards in the inner-side yoke, using vibration-driven airflow to improve cooling without blocking sound.

A bistable SMA valve dynamically adjusts earbud acoustic impedance, balancing sound quality, comfort, and low energy use.

An analyzer compares fixed and adaptive beamformers to correct microphone mispositioning and reduce ambient noise interference.

This case uses stepped hole-forming surfaces in a molded rear panel to improve sound directivity and strength while preserving compact size.

MEMS microphones capture audio and ultrasonic signals together, then adjust gain or muting from ultrasonic feedback to balance SNR.

Parallel processing of speaker-specific audio channels reduces computational overhead while producing accurate, near-real-time transcripts.

Multiple microphones combine correlation filters, source separation, and residual removal to reduce wind noise distortion in calls.

A wearable vest decomposes audio into spectral profiles and maps them to body zones for real-time tactile sound cues.

Equal-area electrodes and a half-bias circuit generate balanced, inverted microphone signals while reducing circuit scale and distortion.

Dual piezoelectric structures integrate sound generation into displays, improving sound pressure and enabling ultrasonic volume control.

Distributed tags transmit each assembly’s identifier to a server, which collates positions into an accurate line array map.

A silicon or graphene diaphragm, CMOS electronics, and electrostatic electrodes miniaturize audio hardware without magnetic interference.

A hearing device predicts delayed wireless audio and mixes it with acoustic input to reduce synchronicity problems and comb-filter effects.

A finite-volume speaker back box uses interchangeable shims to keep placement flat and limit sound leakage.

This case uses a wireless headset adapter to translate host application requests into microphone control signals for seamless communication.

Microphone arrays use beamforming and blind source separation to isolate target sounds as the image zoom ratio changes.

Multiple eyewear microphones use beamforming and adaptive filtering to reduce noise while preserving speech recognition accuracy.

This headset case uses an asymmetric boom and anti-rotation rib to prevent support rotation while enabling complete retraction.

A mixing potentiometer balances game and teammate audio through dual USB sound cards, reducing interference without raising overall volume.

Stress structures pre-deviate the diaphragm to improve THD and acoustic overload point while maintaining microphone sensitivity.

Camera-based ear scans guide 3D-printed molds, improving fit while supporting customized earpiece components.

Frequency-weighted microphone selection preserves high-frequency speech clarity.

Three or more microphones on each arm broaden sound acquisition and separate voices from multiple interlocutors, including rear positions.

A controller separates microphone subsets for ANR and hear-through modes, excluding acoustically coupled microphones to maintain stability.

Bone conduction bypasses the ear canal while a magnetic core module supports stable contact.

Multiple diaphragms, acoustic cavities, and outlet holes boost low-frequency sound pressure while keeping the loudspeaker compact.

This MEMS structure reinforces the diaphragm locally to prevent breakage while preserving cavity-based flexibility and sensitivity.

Virtual microphone maps and machine learning distinguish speech from noise for continuous talker tracking and camera switching.

This case combines protected integrated antennas, a heat sink, and intuitive controls in a compact range extender with visual feedback.

Encode spatial coherence with compact audio parameters for low-bit-rate codecs.

An elastic damping membrane distributes sound energy, letting compact MEMS microphones measure up to 200 dB without distortion.

A collar baffle redirects back-surface negative-phase sound, widening the sweet spot while limiting disturbance to nearby users.

An elastic outer sheath and stronger inner core seal display housing gaps while preserving structural stability under pressure.

An annular drive unit fits the cavum concha, bypassing diaphragm obstruction for stable wearing and natural external sound intake.

Radiation-pattern processing compensates loudness and timing differences between drivers for a wider balanced directional effect.

Dual speakers, position detection, and a rotating casing improve sound coverage and hands-free use during mobile meetings.

User detection selects DSP modes for listener count and position, helping arrays maintain quality across varied configurations.

Local speech recognition handles basic queries offline, while a gateway routes complex requests to network resources.

Recording panoramic and display-specific audio lets users select sound that matches the video area they focus on.

A trained attention layer jointly aligns time-varying signals and enhances audio, adapting to unpredictable delays for echo cancellation.

Panel-mounted directional speakers mask booth sound leakage without difficult disassembly.

This case shows how dual diaphragms and a directional port preserve sound pressure near crossover frequencies in a compact transducer.

Calibrated AMM tube dimensions use band-gap and Helmholtz resonance to improve low-frequency output without enlarging the enclosure.

Robotic actuation cuts loudspeaker weight while automatic ID simplifies array setup.

Standardized mechanical and digital power interfaces let speaker and A/V modules be swapped, integrated, and centrally controlled.

Sparse speaker arrays use adaptive beamforming for multi-listener 3D sound localization.

This case routes serial audio from mono or stereo MEMS microphones directly to DACs, reducing latency to less than 0.1 mSec.