bone conduction

[′bōn kən′dək·shən] (biophysics) Transmission of sound vibrations to the internal ear via the bones of the skull.

bone conduction

Transmitting sound via the bones in the skull to the inner ear. Bone conduction speakers rest against the side of the head near the ears, but not in them. Dating back to the 1920s, bone conduction has been used for hearing aids and is still used for people who cannot tolerate a device inserted in their ears.

Why You Think You Sound Different
When you speak, you hear your voice from your ears as well as the bone conduction in your head, which is lower pitched. When you hear your recorded voice, there is no bone conduction, and you sound higher pitched. See Bluetooth headset and Google Glass.

Bone Conduction in a Hat

A pair of bone conduction speakers (top) are sewn into every Cynaps hat phone (bottom), allowing it to be put on and taken off like any other baseball cap. See Bluetooth headset.

Bone Conduction in a Hat

A pair of bone conduction speakers (top) are sewn into every Cynaps hat phone (bottom), allowing it to be put on and taken off like any other baseball cap. See Bluetooth headset.

Bone Conduction in the Pool

In order to swim laps to his favorite music, this man is wearing a Finis waterproof MP3 player that uses bone conduction speakers (one unit is on each side of his head).

Through the Head

Instead of sound waves entering the outer ear (top), the sound vibrates the bones in the head and reaches the inner ear (bottom). (Image courtesy of Cynaps bone conduction products, www.maxvirtual.com)

bone conduction

conduction

[kon-duk´shun] conveyance of energy, as of heat, sound, or electricity.aberrant ventricular conduction the temporary abnormal intraventricular conduction of supraventricular impulses; called also ventricular aberration.aerial conduction (air conduction) conduction of sound waves to the organ of hearing in the inner ear through the air.anterograde conduction 1. forward conduction of impulses through a nerve.2. in the heart, conduction of impulses from atria to ventricles.atrioventricular conduction (AV conduction) the conduction of atrial impulses through the atrioventricular node and the His-Purkinje system to the ventricles.bone conduction conduction of sound waves to the inner ear through the bones of the skull.concealed conduction conduction that is not seen on the surface electrocardiogram but may be detected by its effect on subsequent impulses; common examples are the incomplete penetration of the AV junction during fibrillation" >atrial fibrillation, the Wenckebach type penetration during flutter" >atrial flutter, and the retrograde incomplete penetration following ventricular beats" >ectopic beats.decremental conduction a gradual decrease in the stimuli and response along a pathway of conduction; it occurs in fibers" >nerve fibers with reduced potentials" >membrane potentials.retrograde conduction transmission of a cardiac impulse backward in the ventricular to atrial direction; particularly, conduction from the atrioventricular node into the atria.saltatory conduction the rapid passage of an electric potential between the nodes of ranvier in myelinated nerve fibers, rather than along the full length of the membrane.

bone con·duc·tion

in relation to hearing, the transmission of sound to the inner ear through vibrations applied to the bones of the skull. Synonym(s): osteophony

bone conduction

n. The process by which sound waves are transmitted to the inner ear by the cranial bones without traveling through the air in the ear canal.

bone con·duc·tion

(bōn kŏn-dŭk'shŭn) audiology The transmission of sound to the inner ear through vibrations applied to the bones of the skull.

bone conduction

The transmission of sound to the inner ear hearing mechanisms by way of bone rather than by the normal air, eardrum and middle ear route.

bone con·duc·tion

(bōn kŏn-dŭk'shŭn) audiology the transmission of sound to the inner ear through vibrations applied to the bones of the skull.