Bone conduction
Bone Conduction
Bone conduction is the conduction of sound to the inner ear primarily through the bones of the skull, allowing the hearer to perceive audio content without blocking the ear canal.
Pronunciation
Bone conduction: /boʊn kənˈdʌkʃən/
Etymology
The term "bone conduction" is derived from the Latin words "os" meaning bone and "conduction" from the Latin "conducere" meaning to lead or guide.
Mechanism
Bone conduction works by transmitting sound waves through the bones in the skull directly to the cochlea, bypassing the eardrum and ossicles. This method of hearing is used to supplement or replace normal air conduction hearing.
Applications
Bone conduction technology is used in many areas such as hearing aids, headphones, and military communication. It is also used in the treatment of certain types of hearing loss.
Related Terms
- Air conduction: The process by which sound waves enter the ear through the pinna and then travel down the external ear canal until they strike the eardrum, causing it to vibrate.
- Cochlea: The spiral cavity of the inner ear containing the organ of Corti, which produces nerve impulses in response to sound vibrations.
- Ossicles: The three small bones in the middle ear that transmit the sound vibrations from the eardrum to the inner ear.
- Hearing aids: A small electronic device that a person wears in or behind the ear to amplify sounds.
- Headphones: A pair of small loudspeaker drivers worn on or around the head over a user's ears.
External links
- Medical encyclopedia article on Bone conduction
- Wikipedia's article - Bone conduction
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