Word intelligibility of bone conductive sound when wearing ear plugs

In this study, we measured and compared the word intelligibility of air conductive and bone conductive sound when wearing ear plugs in both ears by speech audiometry. The correct responses of word intelligibility of bone conductive sound tended to be better than those of sound heard through air conduction even in a high signal-to-noise environment. This effect was only elicited when ear plugs were used in both ears.