Bone-conduction audiometry delivers sound mechanically to the skull rather than acoustically.

Evidence

For bone-conduction audiometry, sound is presented mechanically using a bone vibrator that is placed just behind but not touching the pinna on the bone protrusion Audiometry maximum local sound levels (dBSPL) FIGURE 7. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 2348

Categorization

• DEFINE: Introduces the bone vibrator as the mechanical transducer bypassing the outer and middle ear.