Microphones TRIZ Cases

Detection unit identifies earpiece orientation and control unit swaps audio channels to correct inversion without user intervention.

A headphone case integrates a touch-sensitive display to enable direct user control over audio playback and track information without external devices.

A MEMS chip uses a reinforced membrane with elastic arms to detect acoustic signals via capacitance changes.

A wireless telephone system uses a microphone array and multi-channel Bluetooth transmission to capture audio signals for background noise suppression.

Integrated sensors measure user auditory responses to adapt audio signals, compensating for individual hearing differences without manual equalization.

An acoustic waveguide isolates structure-borne noise in compact MEMS loudspeakers, enabling active noise cancellation without phase distortion.

An audio system normalizes signal amplitudes across time segments to stabilize non-stationary inputs for precise source localization.

Arranging acoustic drivers in intersecting non-parallel planes resolves uneven high-frequency energy distribution across audiences.

A communication hub generates metadata from audio signals to enable real-time sound pressure level monitoring.

A headphone joint couples earcups to headbands via a projection with a partially spherical surface and conical top.

Horizontal membrane motion eliminates squeeze film damping, reducing mechanical noise while maintaining signal detection.

A wireless stereo headset system uses Bluetooth modules to convert sound signals into audio output via independent left and right units.

A multi-microphone system splices clean rear audio signals with front microphone data at a defined frequency point to generate substantially clean output.

A calculation section determines relative sound source positions to localize audio images in real space.

Tuned beamforming parameters adjust delay and gain to generate virtual channels, compensating for spatial distortion caused by orthogonal camera surfaces.

Integrating ultrasonic generation into the amplifier path enables proximity detection while monitoring signals prevents loudspeaker damage from clipping.

Calibrating acoustic sensors via diffuse-field excitation preserves spatial capture by extracting direct-path contributions from impulse responses.

Sawtooth apertures in the phasing plug minimize high-frequency reflections and radial standing waves, smoothing the frequency response.

Extending a structural member places the speaker behind the auricle, resolving bulky front placement and improving sound quality.

Portable speaker units allow teachers to monitor small group discussions without physical movement, preserving teaching efficiency.

Narrow beam projection minimizes bystander exposure while maintaining safe daily limits.

A sound image localization device corrects directivity control filters using frequency-dependent regularization parameters to optimize acoustic beam generation.

Opposing piezoelectric transducers drive deformable membranes within a hermetic cavity, doubling actuation amplitude while maintaining energy efficiency.

Corrugated conductive diaphragms form sealed chambers with counter electrode walls to enhance acoustic compliance in microelectromechanical systems.

A linear array of exponentially spaced loudspeakers focuses acoustic waves through electronic time-delay processing.

Alternating microphone placement on a spherical base improves horizontal resolution while reducing total component count.

Sub-wavelength Helmholtz resonators absorb ultrasonic acoustic waves, suppressing audio-band subharmonics without introducing phase delay.

A computerized eye examination system uses real-time user feedback to guide device positioning and lighting conditions during remote testing.

Upward firing speaker adjusts elevation angle via test audio signals to compensate for room volume and ceiling material absorption.

A network microphone device detects test sounds from speaker-equipped devices to determine their direction.

A primary audio channel plays direct signals while a secondary channel introduces a playing delay to create natural sound field mixing.

Elastic buckle structures fix the speaker monomer inside the housing, preventing shell deformation and acoustic leakage during ultrasonic welding.

Adaptive beam forming transforms microphone signals into frequency-domain components to generate directional audio output.

A vehicle microphone assembly uses a contoured wind break portion to deflect airflow over the housing.

Log-spiral microphone arrays resolve noise filtering versus device complexity contradictions by enabling narrow beam widths in compact wearable designs.

A microphone enclosure uses an elastomeric membrane to shield the sensor from environmental contaminants while transmitting acoustic signals.

Acoustic transducer with impedance-matched channels amplifies signals to resolve the contradiction between high output pressure and small package size.

A sound pick-up apparatus integrates outputs from multiple microphone arrays with different directionalities to expand the capture area.

Multi-ringed circular differential microphone array uses varying microphone counts per ring to enable flexible compact designs.

Multi-tier audio processing system separates signals using time-frequency spectral analysis and non-negative matrix factorization.

A bone conduction headset paired via Bluetooth modules transmits voice signals through the skull to bypass ambient air noise.

A method adjusts audio beamforming parameters based on the detected deforming state of a portable device with multiple microphones.

A tetrahedral microphone array with MEMS sensors calculates sound direction via time difference of arrival.

A detachable microphone add-on unit attaches to an earphone main body via magnetic attraction for precise positioning.

An ear support with an elastically deformable S-shaped branch end pinches the helix to press an audio device against the inner ear surface.

Lockable pivot assemblies resolve the conflict between orientation adjustability and mounting security for heavy commercial speakers.

Removing fixed films reduces manufacturing complexity and stiction while improving frequency response.

An information processing apparatus detects audio coding methods and selects decoding control paths to manage signal transmission.