AAO-HNSF Certificate Program for Otolaryngology Personnel

How much masking? Bone Conduction Interaural attenuation—How much is crossing over?

Bone conduction threshold in the non-test ear + 15 dB effective masking

Add any air-bone gap

Add occlusion effect, if necessary

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

22

How much masking? Speech Audiometry Amount of interaural attenuation

Add effective masking

Add air-bone gap

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

23

Hood Method

Hood (plateau) Method

–Find unmasked threshold –Add effective masking –Re-establish threshold while masking –If there is no change, increase masking by 10 dB

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

24