Interacoustics AA222 Instructions For Use Manual page 85
Impedance audiometer
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AA222 Instructions for Use – US
ANSI S3.6-2010
ISO 389-7 2005
Binaural
0°
Frequency
RETSPL
RETSPL
Hz
dB
125
22
160
18
200
14.5
250
11.5
315
8.5
400
6
500
4.5
630
3
750
2.5
800
2
1000
2.5
1250
3.5
1500
2.5
1600
1.5
2000
-1.5
2500
-4
3000
-6
3150
-6
4000
-5.5
5000
-1.5
6000
4.5
6300
6
8000
12.5
White Noise
0
0°
45°
RETSP
RETSP
L
Speech
15
11
Speech
15
11
Noise
Speech WN
17.5
13.5
Binaural to
Monaural
45°
90°
correction
RETSPL
RETSPL
dB
dB
dB
21.5
21
2
17
16.5
2
13.5
13
2
10.5
9.5
2
7
6
2
3.5
2.5
2
1.5
0
2
-0.5
-2
2
-1
-2.5
2
-1.5
-3
2
-1.5
-3
2
-0.5
-2.5
2
-1
-2.5
2
-2
-3
2
-4.5
-3.5
2
-7.5
-6
2
-11
-8.5
2
-11
-8
2
-9.5
-5
2
-7.5
-5.5
2
-3
-5
2
-1.5
-4
2
7
4
2
-4
-5.5
2
ANSI S3.6-2010
Binaural
90°
135°
180°
RETSP
RETSP
RETSP
L
L
L
9.5
10
9.5
10
12
12.5
15.5
Free Field
Free Field max HL is found by subtracting the selected RETSPL value
Tone
Max SPL
dB
102
98
104.5
106.5
103.5
106
104.5
103
102.5
107
102.5
103.5
102.5
106.5
103.5
101
104
104
104.5
108.5
104.5
106
92.5
ANSI Free Field
Free Field max HL is found by subtracting the selected
Binaural to
Monaural
correction
RETSPL
L
13
2
13
2
2
Free Field max SPL
Free Field Line
NB
Max SPL
dB
97
93
99.5
101.5
98.5
101
99.5
98
97.5
102
97.5
98.5
97.5
101.5
98.5
96
94
94
99.5
98.5
99.5
96
87.5
100
Free Field max SPL
RETSPL value
Free Field Line
0° - 45° - 90°
Max SPL
100
100
97.5
Page 79
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