AAO-HNSF Certificate Program for Otolaryngology Personnel

Review (Continued) • When to mask?

• FOR BONE CONDUCTION when there is a difference of 10dB or more between the unmasked bone conduction score and the corresponding air conduction threshold

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

19

When to Mask for Bone Conduction?

Ex. AC – 30 dB, BC – 10 dB

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

20

When to Mask for Speech Testing? • Factors –Presentation level of speech signal to the test ear –Interaural attenuation –Bone conduction of the non-test ear –Type of speech measure

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

21