Download 1. Draw a square

1. Draw a square
2. Divide in half, horizontally and vertically
3. Divide each half into three
4. Divide the horizontal steps in half
5. Label the vertical lines in octave steps
from 125 Hz (1000 Hz in the middle).
Add name
Frequency in Hz
125 250 500 1000 2000 4000 8000
Hearing loss in dB
6. Label the horizontal lines in 10 dB steps
from 0dB. Add name.
Frequency in Hz
125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
90
100
110
120
Hearing loss in dB
7. Shade in the area of discomfort
(70 dB at 125 Hz to 110 dB between 500 and 4000 Hz
to 90 dB at 8000 Hz)
Frequency in Hz
125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
90
100
110
120
Hearing loss in dB
8. Shade in the area covered by the most
important components of conversational
speech at the ear of a listener who is
3 to 6 feet from the talker.
(300 to 3000 Hz
and 30 to 60 dB)
Frequency in Hz
125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
90
100
110
120
Hearing loss in dB
9. Add the “tails” to create the speech “banana”.
(10 to 40 dB at 8000 Hz)
(10 to 20 dB at 125 Hz)
Frequency in Hz
125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
90
100
110
120