Microphones TRIZ Cases

Thin connecting plates and screws join adjacent speakers, reducing point source distance while maintaining reliable electrical engagement.

Shares a front cavity between the microphone and loudspeaker to reduce volume while maintaining high-frequency response.

Accelerometers detect speech vibrations in earbuds to determine insertion status and select active microphones.

Flexible vulcanized rubber inlet resolves seal tightness versus manufacturing precision trade-offs in hearing aid microphone systems.

A beamforming system selects acoustic targets using virtual microphones to attenuate wireless loudspeaker echo signals.

An adaptive filter compensates for positional differences between behind-the-ear and front-of-ear microphones, improving high-frequency sound spectra accuracy.

An equatorial acoustic sensor array captures sound fields using fewer microphones to enable accurate binaural rendering.

Correlating phase plots of audio inputs localizes sound sources for precise attenuation cues.

Microcontroller encodes audio signals for transmission to a computing terminal, eliminating dedicated voice recognition hardware costs.

An active hearing protection device adapts to individual acoustic characteristics using bone conduction and digital filters.

Weighted virtual microphones enable continuous steering within circular sectors, resolving limited arbitrary direction capabilities.

A headset performs noise cancellation while passing through desired sounds based on linked sound characteristics from a connected device.

A control system estimates audio device and sound source positions using direction of arrival data from microphone arrays.

Radial dipole directivity suppresses unwanted reflections from ceilings and floors, enabling accurate high-frequency reproduction over large areas.

A quick-release clamp mounts the array on pole stands, resolving camera field of view obstruction.

A video conference endpoint detects spatial relationships between co-located directional microphones and loudspeakers using audio signal processing.

Fusing dual-microphone signals via beamforming improves signal-to-noise ratio while preserving high-frequency content lost by single in-ear designs.

A microphone mounting structure positions the sensor vertically within a housing to improve sound quality and durability.

Grooves in the substrate act as anchor nodes for separation material, resolving insufficient bonding power and uneven stress on the SOI film.

A dedicated vibration sensor offsets interference signals to resolve echo issues in bone conduction earphones.

Alternating n-type and p-type semiconductor regions form a composite diode that achieves high impedance without excessive silicon area.

An audio device dynamically switches collection roles with external units based on real-time noise detection to optimize data transmission.

An acoustic horn interface region combines sound from multiple drivers through specific apertures to maintain consistent beam angles across frequencies.

Combining audio signals from multiple receivers improves signal-to-noise ratio, resolving interference issues in wireless data transfer.

A spherical microphone array uses a truncated icosahedron structure to diffract sound waves and focus acoustic energy onto omnidirectional sensors.

A mobile terminal displays a control interaction guide on the touch screen to map drag gestures to specific functions.

A hybrid noise canceling system merges feedforward and feedback signal paths to attenuate unwanted acoustic interference across a broad frequency spectrum.

Noncoplanar transducers radiate intersecting ultrasonic waves to form directional audible sound, eliminating unwanted omnidirectional exposure.

Multiple segmentation of the second conductive layer provides electrical isolation that reduces parasitic capacitances, improving the signal-to-noise ratio.

Segmenting microphones and using an intermediary signal estimates wind noise components, enabling accurate propeller noise detection.

Preselectable rail positions allow dynamic angle adjustment, reducing setup time while maintaining secure connections between suspended loudspeaker boxes.

Nested components and extraction principles resolve volume constraints while maintaining sound quality.

An adaptable aperture phased array system extracts noise subcomponent spectra from multi-position microphone data.

Dynamic beamforming adjusts audio signal parameters based on real-time listener position data to maintain consistent surround sound quality.

Dual vibration absorbing members interposed between housing surfaces and the speaker reduce transmission while minimizing sound loss.

Identical earcups use asymmetric microphone placement to detect left-right orientation automatically.

A display control circuit analyzes image regions to generate and individually control multi-sound channels.

A flat plate transducer uses a large diaphragm to improve impedance matching and reduce resonance compared to conventional small cone designs.

A manufacturing method for micro-electromechanical system acoustic sensors uses segmented sacrificial layers to form precise recess spaces.

A digital microphone splits signals into frequency bands to down-convert ultrasonic components using a modulation block.

Piezoelectric strips roll flexible displays to form acoustic air columns, resolving sound quality limits in compact rollable devices.

A signal processing apparatus calculates gains using direction of arrival to integrate sensor signals across a wide frequency band.

A foam wind cap covered by a waterproof film blocks water and dust while attenuating aerodynamic noise for clear sound capture.

Vertical speaker spacing with flared port channels reduces out-of-phase crossover frequency wave cancellation effects in listening areas.

A lateral-mode capacitive microphone design moves the movable membrane parallel to the fixed backplate.

A woofer speaker design merges the rear cover with the terminal installation plane to define a sealed acoustic cavity.

A back cavity structure resonates to flatten frequency response, correcting uneven peaks and dips caused by reduced device size.

A conductive damper integrates copper foil with a voice coil to eliminate lead wires in bone conduction speakers.

Auxiliary video depth maps provide spatial context to compact microphone arrays, resolving poor sound localization without increasing hardware complexity.