Microphones TRIZ Cases

Segmenting the diaphragm into ceramic and polymer regions resolves the trade-off between miniaturization and power output in piezoelectric microspeakers.

Audio controller processes signals to create dedicated sound zones, resolving device complexity and safety trade-offs.

Gyroscope data estimates ultrasonic interference for subtraction, preventing down-shifted audio disruptions without adding hardware complexity.

A piezoelectric audio output device uses a passive matrix drive mechanism to simplify internal wiring and reduce component count.

Calculating magnitude distribution differences between microphone signals detects wind noise while avoiding false positives from phase variations.

Arrayed speakers produce a uniform sound pressure field to cancel noise across a larger spatial region.

A mobile terminal switches between microphones using an auricle image to select the optimal sound source location.

A microphone array calculates time delays based on tracked target location to enhance the signal while suppressing noise interference.

A noise estimation unit measures environmental sound levels to dynamically adjust active noise cancellation gain via a gain control unit.

Segmenting heavy electronics into a separate unit resolves frame bulk and discomfort by relocating power sources away from sensitive facial areas.

Audio processing device estimates sound source position by calculating midpoints between microphone signals and classifying them into clusters.

A shock mounted transducer assembly translates within an enclosure to absorb pressure changes and protect internal components.

A mesh plug in the acoustic port filters sound pressure while blocking external interferences.

Modulated detection signals predict acoustic features to minimize noise interference and reduce measurement time.

Magnetic holding elements secure the rotating microphone arm along the headband, eliminating manual adjustment for stable stowage.

A sound processing apparatus identifies acoustic sources using a Bayesian network to model dependence relationships between signals.

An integrated face mask speaker module overcomes muffled audio by projecting amplified sound through external transducers.

Segmenting the counter electrode in a MEMS vacuum microphone reduces parasitic capacitances, thereby improving the signal-to-noise ratio of acoustic signals.

Side wall speakers direct sound toward the vehicle ceiling, creating a diffuse cloud that resolves poor envelopment without adding complexity.

Ferromagnetic screen attaches ear cup cushions to planar magnetic radiators, increasing sensitivity by 0.7 dB without mechanical fasteners.

Flexible loop wearable audio device conceals electronics in ornamental mode, resolving the trade-off between aesthetic appearance and deployment capability.

Motion sensors detect user presence to trigger sound masking, reducing device complexity and energy consumption.

Acoustic analysis of speaker signals received by microphones automatically adjusts extended desktop monitor settings, eliminating manual repositioning.

A multichannel audio rendering device computes primary and secondary wavefront delays to generate spatially dense acoustic signals.

Springs secure the diaphragm to a central post, reducing sagging and sticking risks while preserving signal quality.

Simultaneous pink noise output mitigates vacuum sensation from destructive interference, improving listening comfort.

Three omni-directional microphones generate a bidirectional beam forming signal using phase and magnitude processing.

Acoustic echo cancellation logic adjusts audio parameters based on detected microphone array orientation.

Frequency compensation applied to spherical harmonic components mitigates spatial aliasing while maintaining accurate 3D sound field reproduction.

Arrays analyze frequency-dependent phase profiles to distinguish persistent interference from moving talkers, improving far-field voice recognition accuracy.

Composite shells and segmented lighting resolve structural strength versus illumination intensity trade-offs in microphone design.

A pulse-width modulation audio amplifier uses a feed-forward path to generate driving signals from digital inputs.

Segmented triangular cantilevers with distinct dimensions generate multiple resonant frequencies, expanding bandwidth while maintaining sound pressure level.

An elliptical aperture prevents complete sealing under high pressure, distributing force to reduce stress concentration and improve survival rate.

Rotatable casing adjusts acoustic drivers relative to gravity to form interference arrays.

An adaptive acoustic horn guides sound waves through an outer casing to improve audio output in compact decoder boxes.

Spring-loaded tabs lock automatically to eliminate tool requirements while maintaining secure mounting against varying wall thicknesses.

A secondary diaphragm in an earphone housing creates a frequency-selective acoustic barrier.

A headset uses location-based service software to automatically adjust sound modes and noise cancellation settings based on user-defined geographic regions.

Extended helix and sound channel shift the center of gravity medially to prevent slipping during activity without sealing the ear canal.

A signal adaptive noise filter transforms audio into a two-dimensional representation to separate components using detection matrices.

Acoustic waveguides and deflectors channel sound to create an indirect field greater than the direct field, resolving exterior noise interference in vehicles.

A distributed sound processing node determines beamforming weights using a convex relaxed linearly constrained minimum variance approach.

A movable cover component encloses a headset connection port to protect internal electronics from environmental exposure.

Segmented compression drivers with face-to-face diaphragms increase audible output without adding weight or size.

A headset audio circuit compresses signals exceeding voltage thresholds to maintain clear talk-through communication.

Curved sound bar body positions multiple speaker drivers to emit acoustic waves in various directions, eliminating hot spots from linear designs.