AAO-HNSF Certificate Program for Otolaryngology Personnel

Masking Examples - SRT

Do you need to mask for SRT? Is the difference between ears  40 dB ? Left SRT = 10 Right SRT = 50

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

31

Masking Examples - SDS

Do you need to mask for SDS? Is the difference between ears  40 dB ? Yes – Right = 50 No – Left = 10

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

32

Masking Examples - SDS

Right SRS How much masking? EM = PL – IA+EM

Presentation Level (PL) = SRT + 40

EM = 90 – 40 + 15 EM = 65 dB

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

33