Microphones TRIZ Cases

A speaker array system converts sound pressure distributions into the spatial frequency domain to adjust acoustic output.

A MEMS microphone encapsulates a moving electrode within a vacuum region between compliant membranes to reduce parasitic capacitance.

A neural network audio enhancement system reduces algorithmic latency from 24 ms to 5 ms while resolving fan noise interference.

Overmolded metal inserts reinforce a plastic acoustic enclosure shell, securing loudspeakers against hull vibrations caused by pressure fluctuations.

Pillars and protruding portions maintain a constant back-volume, reducing gas compression and enabling larger membrane displacement.

A sound source position estimation device uses frequency spectra from multiple microphones to compute distances and determine location.

Accelerometers and magnetometers measure spatial orientation to route left and right audio signals accurately, resolving channel mismatch issues.

A sound pick-up apparatus uses correction coefficients to equalize target area sound components across multiple microphone arrays.

Flat organic piezoelectric film actuators enable thin, lightweight headphone construction with strong acoustic directivity.

Segmented sound, chest, and abdomen sensors enable continuous monitoring that detects phlegm and reduces aspiration risks.

A sound device holder positions a microphone inside the nozzle to improve acoustic performance and simplify assembly.

Aircraft nosecone uses porous hydrophobic material to transmit audio signals while blocking contaminants.

An integrated control unit in a tether distributes signals to drive both audio drivers, resolving synchronization delays and limited battery duration.

A head-mounted device cooling system adjusts fan speed to maintain effective heat dissipation.

Mounting the processor chip in a substrate notch increases back volume and reduces metal wire height, enhancing acoustic sensitivity.

A housed loudspeaker array uses a flip-chip substrate with orifices to align acoustic elements.

A speakerphone algorithm steers sound pickup direction by mixing directional and omnidirectional signals to optimize speech clarity.

A MEMS microphone design uses an insulation layer to support the diaphragm without separate anchors.

A MEMS device uses a piezoelectric stacking structure and a suspended proof mass to detect voice vibrations.

Asymmetric and concentric phasing plug apertures mitigate high-frequency standing waves while maintaining acoustic impedance matching in compression drivers.

Transit time measurement between dual microphones detects poor placement, prompting repositioning to resolve signal-to-noise ratio issues.

Bendable magnetic arm secures portable Bluetooth speaker to garments, resolving hands-free operation limits.

Segmenting the cabinet into interchangeable end modules resolves the trade-off between structural stability and adaptability in fixed audio designs.

Opposing low-frequency transducers generate out-of-phase sound waves to eliminate feedback and resonance from sympathetic vibrations.

Nested driver configuration reduces device complexity while maintaining directional control across voice frequencies.

Replacing silicon wafers with FR4 panels reduces production costs by 99.5 percent while increasing batch output through large-format manufacturing.

A system calculates estimated source locations and likelihood values to identify the physical position of an audio source.

Multiple speakers emit calculated anti-phase waves to suppress ambient interference across large areas without manual reconfiguration.

A vehicle microphone capsule integrates a driver circuit and interface to convert analog signals into digital bus data for direct transmission.

Elastic top wall deforms to match cavitas conchae, resolving comfort issues from rigid structures.

Opposed planar sensor arrays on a rigid plate capture omnidirectional signals for 3D wave field reconstruction.