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  2. Sound attenuator - Wikipedia

    en.wikipedia.org/wiki/Sound_attenuator

    A sound attenuator, or duct silencer, sound trap, or muffler, is a noise control acoustical treatment of Heating Ventilating and Air-Conditioning (HVAC) ductwork designed to reduce transmission of noise through the ductwork, either from equipment into occupied spaces in a building, or between occupied spaces.

  3. File:Anatomy of Human Ear with Cochlear Frequency Mapping.svg

    en.wikipedia.org/wiki/File:Anatomy_of_Human_Ear...

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  4. Hyperacusis - Wikipedia

    en.wikipedia.org/wiki/Hyperacusis

    Hyperacusis is an increased sensitivity to sound and a low tolerance for environmental noise. Definitions of hyperacusis can vary significantly; it often revolves around damage to or dysfunction of the stapes bone, stapedius muscle or tensor tympani ().

  5. Acoustic reflex - Wikipedia

    en.wikipedia.org/wiki/Acoustic_reflex

    The acoustic reflex (also known as the stapedius reflex, [1] stapedial reflex, [2] auditory reflex, [3] middle-ear-muscle reflex (MEM reflex, MEMR), [4] attenuation reflex, [5] cochleostapedial reflex [6] or intra-aural reflex [6]) is an involuntary muscle contraction that occurs in the middle ear in response to loud sound stimuli or when the person starts to vocalize.

  6. File:Anatomy of the Human Ear.svg - Wikipedia

    en.wikipedia.org/wiki/File:Anatomy_of_the_Human...

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  7. Acoustic trauma - Wikipedia

    en.wikipedia.org/wiki/Acoustic_trauma

    The range of severity can vary from pain to hearing loss. [2] Acute acoustic trauma can be treated by combining hyperbaric oxygen therapy (HBO) with corticosteroids. Acute noise exposure causes inflammation and lower oxygen supply in the inner ear. Corticosteroids hinder the inflammatory reaction and HBO provides an adequate oxygen supply.

  8. Internal auditory meatus - Wikipedia

    en.wikipedia.org/wiki/Internal_auditory_meatus

    The internal auditory meatus provides a passage through which the vestibulocochlear nerve (CN VIII), the facial nerve (CN VII), and the labyrinthine artery (an internal auditory branch of the anterior inferior cerebellar artery in 85% of people) can pass from inside the skull to structures of the inner ear and face.

  9. Tympanic duct - Wikipedia

    en.wikipedia.org/wiki/Tympanic_duct

    The tympanic duct or scala tympani is one of the perilymph-filled cavities in the inner ear of humans. It is separated from the cochlear duct by the basilar membrane, and it extends from the round window to the helicotrema, where it continues as vestibular duct.