Two independently energized coils damp vent-valve motion in a hearing device, preventing click noise and reducing sound pressure waves.
Coil-controlled magnetic actuation softens vent valve engagement in a hearing device to prevent click noise without added damping material.
Parallel analog and digital paths restore natural self-voice in noisy headsets by cutting latency, occlusion effects, echo, and ambient noise.
Switching feed-forward and feedback filters lets ANR headphones preserve noise cancellation while making ambient sound and self-voice feel natural.
An ambient microphone and ear canal receiver detect acute sounds and replay warnings in the ear while keeping listening exposure safer.
Ambient sound monitoring in an occluding earpiece detects acute sounds and reproduces them at safe ear-canal levels to preserve awareness.
A dedicated low-frequency transducer and ear-canal microphone cancel own-voice occlusion without sacrificing noise reduction or bass gain.
Ambient microphones detect nearby acute sounds and replay them in an occluded ear canal at safe levels, preserving awareness without raising volume.
Acoustic sensors, apertures, and waveguides let sealed ear-plugs rebroadcast ambient sound while preserving spatial cues and audio quality.
Exterior microphones and adaptive filters recreate ambient sound through headphones while preserving spatial cues and timbre.
Mode-specific feed-forward filters let ANR headphones keep noise cancellation while reproducing ambient sound with near-natural insertion gain.
Separate feed-forward, feedback, and hear-through paths balance audio quality with awareness of surrounding sounds in changing noise conditions.
ANR offsets occlusion and acoustic feedback from sealed ear tips, enabling greater gain while limiting spectral combing and echo.