Microphones TRIZ Cases

Seat-mounted processing units measure head distance and generate anti-noise signals, reducing low-frequency engine noise without heavy headsets.

MVDR and delay-and-subtract combinations generate primary and reference signals for voice activity detection.

A microphone apparatus uses a catch-up buffer to stitch real-time and buffered PDM data streams.

A sound source localization method uses a precomputed time delay-orientation lookup table to determine audio direction.

Direct parametric spatial audio rendering via soundbar beamforming eliminates directional artefacts from intermediate format conversion.

Segmenting the microphone inlet with a dividing member breaks uniform pressure fronts, reducing ultrasonic interference from motion detectors.

Corner depressions on a rectangular diaphragm expand the effective sensing area, resolving fixation stability versus acoustic performance trade-offs.

Lateral seal segmentation enlarges the back volume of a top port microphone without increasing electrical rewiring complexity.

Elastic pad between key and keyhole blocks water infiltration without compromising sound quality or resonance peaks.

A microphone unit uses a layered fiber and mesh structure to physically block wind noise before it reaches the sensor.

Angle sensors determine wearable positions to disable Don/Doff detection, reducing false positives and saving battery.

An audio accessory stores metadata and tracks current play position using internal circuitry to enable seamless media transfer.

Rotating the housing activates either mono or stereo mode, eliminating the need to switch physical microphones.

One-piece sound port adapter converts microphone assemblies to side-port configurations via integrated acoustic channels.

Segmented transmission arms with a composite pivot seal prevent air leaks between volumes.

Segmented headband design maintains earphone position accuracy during extension, resolving comfort versus fit trade-offs.

A metal heat sink with a spring structure conducts thermal energy from an onboard processor to the outer casing of an acoustic camera.

Segmented earpiece protrusions with an intermediate cavity reduce occlusion while maintaining stability through localized contact points.

Subband segmentation isolates user speech from dominant interference sources to preserve signal clarity in voice-controlled devices.

A wearable device routes encoded audio streams to an external processor for real-time voice modification.

Dynamic waveguide adjusts sound directivity for specific listening positions, resolving adaptability versus complexity trade-offs.

Nested comb finger counter electrode assembly reduces artifact noise while maintaining consistent pressure in the sealed electrode region.

A minimum processing beamformer adapts weights to combine original and noise-reduced signals.

Embedded planar coil and surrounding soft magnet improve efficiency and linearity across frequency ranges while reducing battery power consumption.

Segmented ribs pivot to accommodate diverse speaker shapes, eliminating complex springs that block sound transmission.

Segmented dipole beamforming maintains constant directivity across wide frequency ranges by optimizing transducer spacing for each band.

Audio signal processing extracts spectral tilt features to detect impulsive noise frames for immediate suppression gain application.

A single vibrating element in a housing generates damped earpiece and louder hands-free sounds, eliminating complex electronic controls.

Segmented housing isolates acoustic paths, preventing cross-interference between microphones to enhance voice recognition accuracy.

A speech enhancement system derives inter-microphone level differences to attenuate background noise and improve audio clarity.

A flexible circuit board adapts to non-flat mounting surfaces, resolving installation stability issues in constrained terminal device spaces.

Spatial filtering and transfer functions process multiple microphone signals to synthesize directional audio channels on mobile devices.

Inner and outer microphones enable processor to isolate wearer voice, remove it from ambient noise, and amplify the counterpart's signal.

A speaker array control section directs audio signals to form sound beams that create phantom sound images in specific directions.

A beam synthesizer filters non-manipulated sound signals from multiple microphones to generate manipulated sound beams.

Standard earpiece shell uses elastic retention element to engage concha for secure fit without custom manufacturing.

A routing manager calculates weighted scores from device states to select an active audio source.

Rotatable acoustic reflectors bend maximum radiation toward listeners, resolving surround sound degradation from co-located drivers.

Mating mounting structures engage simultaneously with electrical connectors to eliminate visible wiring while retaining the loudspeaker securely.

A multi-motor MEMS microphone design relocates the barometric relief opening to the outer periphery of the back plates.

A boomless headset microphone array uses trained spatial filtering to generate beamformed audio signals from multiple earcup sensors.

An acoustic sensor assembly integrates a heat source to generate air pressure variations for detecting non-acoustic conditions alongside standard audio signals.

An external microphone employs a sensor-triggered latch to close its cover during car washes, preventing water damage without sacrificing acoustic sensitivity.

A MEMS sound transducer uses a polymer structural layer to enhance piezoelectric deflection capabilities.

Primary earbuds transmit audio packet duration to secondary units for synchronized playback.

An integrated gain control circuit compensates for transducer sensitivity drift caused by temperature and humidity variations in MEMS microphones.

A MEMS microphone assembly uses a gap between the diaphragm and ASIC to create an additional acoustic cavity.

Extendable bellows tube integrates dual speaker units and bass reflex ducts to enhance acoustic presence in wearable audio devices.

Segmented dual-driver system minimizes error between noise and anti-noise to cancel high-frequency sounds without latency.