By controlling the sound in the ear canal (not in the loudspeaker), virtual sources outside the loudspeaker aperture can also be created.
With headphones, the acoustics of the listening room does not affect the perceived sound and a controlled sound signal to each ear canal is guaranteed.
The police are also at risk, as they now use phonac devices that fit into the ear canal and pipe noise directly into the ear.
This is a mild chronic inflammation of the external ear canal leading from the ear drum to the outer ear.
Generic or custom fitting ear canal plugs are made from silicone rubber, elastomer, or foam.
A vibrating tuning fork is placed on the mastoid while the examiner alternately closes and opens the ear canal by pressing on the tragus inwards.
He tied a string to the eels to inch the models across the actors' faces before they entered the ear canal.
Using the natural acoustic benefits of the outer ear, sound is collected and channeled into the ear canal.
