"So we’re through the first bend of your ear canal, we’re getting through the second bend of your ear canal," Fligor says, and then: "Scan’s done! Scope is retracting out of your ear." He's ...

That bend in the right ear canal though, that's "better"… (Image credit: Future) Again, the scheme from Sennheiser is in its infancy and it's still unclear whether it will make a global rollout.

The second is through 3-D scanning. If Shepard uses the silicone process, he’ll take an otoblock, a piece of soft material with a plastic wire attached to it, and place it in the ear canal ...

A new identification system uses your ear as the password, distinguishing between individuals by the resonation of sound in the ear cavities. The earbud technology, developed by NEC Corporation ...