Microphones TRIZ Cases

Variable membrane thickness in cMUT cells merges distinct resonant frequencies into a single structure, expanding frequency band coverage for medical imaging.

An L-bracket with a linearly movable nut plate resolves limited extension range in thick wall installations.

Free motion heat sink module resists shear forces and dissipates heat to prevent adhesive failure in distributed mode loudspeakers.

A control system extracts individual speaker acoustic characteristics to calculate optimal correction functions for precise sound zone formation.

A processing circuit models electro-acoustic paths to generate a synthesized playback corrected error signal from reference and error microphone inputs.

Encoding departure direction parameters reduces computational complexity while maintaining acoustic realism in virtual environments.

Piezoelectric elements of different thicknesses distribute vibrational energy across multiple modes, smoothing sound-pressure frequency characteristics.

Segmented back volumes with pressure relief holes compensate ambient changes, preventing DC offset while maintaining vacuum for high SNR.

Base structure with pivotable connections enables angular orientation adjustment of suspended electroacoustic devices.

Blow-molding the passive diaphragm creates a continuous surface, resolving shape continuity issues while balancing center of gravity.

A spheroidal speaker housing minimizes acoustic reflections by eliminating parallel internal surfaces.

Classifier model splits audio data into frequency bands to extract feature vectors for event detection.

Connecting a speaker channel to an additional volume via a tube linearizes the secondary path, stabilizing the ANC circuit against bass drops and instability.

Segmented acoustic tube extends microphone proximity to mouth, improving own-voice pickup quality in noisy environments.

A MEMS microphone vibration diaphragm uses segmented zigzag spring structures to lower supporting beam rigidity.

Resilient spring pushes audio unit into abutment against camera cover, maintaining acoustic sealing while simplifying installation.

Frequency division multiplexing combines carrier and audio signals onto a single conductor, eliminating extra wiring while delivering power to the headset.

An adaptive digital filter matches loop gain to a target value, resolving stability and performance trade-offs across varying ear acoustics.

Segmented piston protrusions direct liquid silicone rubber molding to resolve manufacturing yield issues in micro transducers.

Replacing slow dry etching with chemical release through structured polymer openings reduces mechanical stress on thin wafers.

Vertical speaker and microphone positioning reduces acoustic echo interference, improving speech recognition accuracy without heavy processing.

Reference microphone with distinct resonance frequency isolates acoustic coupling to remove audio band peaks while maintaining sensitivity.

Segmenting signal distribution via master and slave roles reduces sound emission delay in synchronized multi-device audio systems.

Controller selects optimal sound signal from multiple microphones to reduce attenuation in complex acoustic environments.

Hot melt forms a tone hole to increase resonance frequency, distributing stress on the headlining to improve acoustic sensitivity.

Adaptive beamforming isolates target speech from reference audio signals using directional processing zones.

A modular sound system synchronizes clock signals across independent units to operate as a single apparatus.

A finger ring hearing system transmits voice signals as cartilage conduction vibrations via wireless communication.

Merges housing and speaker chassis into one unit, reducing support complexity while maintaining mechanical stability under high acceleration.

Parametric model optimizes space delays to estimate sound direction, resolving wide beam limitations in hearing aids.

An adaptive filter updates coefficients based on device velocity to cancel acoustic echo.

Ordinary acoustic microphones detect ultrasonic signals through residual frequency response combined with digital sampling hardware.

A MEMS microphone diaphragm uses a superimposed layer to limit deformation and boost sensitivity without expanding the chip area.

Asymmetric weighting resolves ambiguity in direction estimation accuracy despite small microphone separation distances.

A neural network estimates sound source locations in complex environments by processing auralized signals that account for scattering and reverberation effects.

A multi-microphone array divides signals into frequency sub-bands for targeted noise reduction.

A speaker apparatus uses a phase plug positioned close to the diaphragm to form an incompressible air cavity that adjusts sound signal phase and amplitude.

Segmenting acoustic spaces and assigning local roles reduces echo and redundancy while maintaining comprehensive audio coverage.

Camera-detected depth adjusts gain and noise suppression to maintain speech quality as users move.

A pivoting headrest loudspeaker adjusts audio volume and noise compensation based on its swivel angle to deliver clear sound.

Optical connectors transmit light from sub-surface LEDs to the housing exterior, enabling a single PCB design that reduces medical device size.

Dynamic feedback path gain adjusts based on ambient microphone signals to prevent howling when earbuds press tightly against the ear.

A cylindrical grille housing an AI hub manages diverse IoT sensors via multiple wireless protocols.

A rigid diaphragm moves parallel to a back plate via an elastic element, resolving warping and non-parallel deformation issues in conventional designs.

A light sensor detects ambient brightness changes to signal low inventory levels in retail containers.

Vertical stacking of sound sensing and control modules reduces parasitic components by shortening signal paths in the microphone sensor.

An epitaxial frame and spring-loaded sliding block secure headsets in portable devices, preventing accidental detachment while enabling quick manual removal.

Capacitive touch sensors replace infrared detectors to eliminate volume constraints and ambient light sensitivity in earphones.

Acoustic panel assemblies generate sound pressure vibrations across frequency ranges using exciters mounted on vehicle surfaces.

A dual microphone system replaces low-frequency speech signal portions with shielded reference data to preserve audio clarity.