Microphones TRIZ Cases

A dual-transceiver wireless audio system forwards call audio between devices using a Simple Voice Forward Profile connection.

Laterally offset shutter elements reduce squeeze film damping and improve sound pressure levels for acoustic bass in micro-speakers.

Ceiling-mounted speaker arrays apply phase and reverberation control to overcome passenger absorption and achieve uniform sound distribution.

A mono-body foam headphone design uses a fixed headband to eliminate mechanical adjustment parts.

Curved substrates align transducers to demodulate ultrasonic waves into directional audio, resolving manufacturing precision trade-offs.

A microphone assembly integrates an ultra-low profile acoustic inlet manifold using flex or printed circuit board technology.

Acoustic waveguides channel sound from closely spaced transducers to effectively spaced ports, resolving the trade-off between chip area and beamwidth.

A local wave field synthesis apparatus determines sound pressures and particle velocity vectors at control points to generate drive signals for loudspeakers.

Holes in the spacer member generate drum-skin tension to increase sound pressure level between 200Hz and 5kHz.

A filter calculates steering vectors using frequency analysis of acquired sound signals.

An adaptive microphone array uses machine learning to optimize noise suppression based on real-time audio processing.

Integrating loudspeakers into T-bar ceiling grids reduces visual clutter while maintaining uniform architectural appearance.

Quarter-wavelength speaker spacing within a multi-sided tube baffle reduces acoustic interference and cancellation effects.

Bone conduction detection via a nose pad contact microphone captures voice signals while eliminating wind noise interference.

Multi-bit Sigma-Delta modulation and dynamic mismatch shaping reduce harmonic distortion and improve SNR in digital speaker arrays.

A multi-directional microphone array activates a specific direction setting based on detected user location to enhance speech recognition accuracy.

A conductive membrane layer absorbs mechanical forces to reduce stress on the structure.

Superimpose data communication on audio output signals using shared pins to reduce circuit board space and minimize interference between signaling paths.

Segmented housing with nested foam insert attenuates wind noise by up to 12 dB, enabling reliable automatic speech recognition under severe conditions.

Multiple sensors fuse low-frequency leakage and sound insulation data to resolve detection accuracy issues in noisy environments.

A hearing device preprocessing unit applies analog transfer functions to audio signals before digitization.

A bubble processor generates stereo audio signals for remote participants based on their virtual position in a shared sound space.

A built-in self-test circuit measures MEMS die capacitance and resonance frequency to assess device health.

A dual-array loudspeaker system combines distinct transducers to generate derived acoustic radiation patterns.

Dynamic beamforming tracks moving acoustic sources to maintain capture quality while handling multiple simultaneous speakers.

Accelerometer detects vocal chord vibrations to identify voice activity, enabling beamformer steering that suppresses environmental noise interference.

System adapts spatial audio to mono or stereo based on device availability, resolving quality trade-offs during user sharing.

A sound collection apparatus uses image capturing to determine acoustic directions for precise beam forming.

Orthogonal linear arrays with nested microphone elements generate steerable directional polar patterns.

A molded interconnect device lid integrates conductive traces to link substrate and lid components in MEMS microphone packages.

A loudspeaker transducer array employs clamp dampers to absorb vibrational energy, reducing low frequency signal propagation and enhancing sound fidelity.

A wire clamping part secures lead wires within an ear hook connecting part, preventing vibration that degrades sound quality and structural reliability.