AAO-HNSF Certificate Program for Otolaryngology Personnel

Octave

1

2

3 4

5

6

7

125

250

500 1000 2000 Frequency (Hz)

4000

8000

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

10

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

11

Decibel Notation Ratio Scale • Arbitrary zero point

• Physical phenomenon • Two different decibel scales –dB SPL (sound pressure level) –dB HL (hearing level)

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

12