Dpoae Protocols - Interacoustics Sera Additional Information

DPOAE protocols

The Sera device is delivered with one default DPOAE protocol (D00 2-5kHz, 3_4, SNR 6 dB). The
TM
protocol on the device can be changed and additional protocols can be added to Sera
HearSIM software.
TM
The available protocols are:
Protocol name
D00 2-5kHz, 3_4, SNR 6 dB
D01 1.5-4kHz, 3_4, SNR 6 dB
D02 1.5-6kHz, 3_5, SNR 6 dB
D03 2-5 kHz, 65_55 dB SPL,
IEC
7
D-0114042-D – 2020/03
Sera™ - Additional Information
Parameters
Test frequencies(f ):
2
Stimulus level (L /L ):
1 2
Stimulus tolerance:
Ratio f /f
2 1:
Noise rejection level:
Max test time:
DP detection criteria
Min DP level:
SNR:
DP reliability:
DP stability:
# frequencies for a pass:
Test frequencies(f ):
2
Stimulus level (L1/L2):
Stimulus tolerance:
Ratio f /f
2 1:
Noise rejection level:
Max test time:
DP detection criteria
Min DP level:
SNR:
DP reliability:
DP stability:
# frequencies for a pass:
Test frequencies(f ):
2
Stimulus level (L1/L2):
Stimulus tolerance:
Ratio f /f
2 1:
Noise rejection level:
Max test time:
DP detection criteria
Min DP level:
SNR:
DP reliability:
DP stability:
# frequencies for a pass:
Test frequencies(f ):
2
Stimulus level (L1/L2):
TM
2, 3, 4, 5 kHz
65/55 dB SPL
±7 dB
1.22
30 dB SPL
60 seconds
-5 dB SPL
6 dB
98.3%
±2 dB
3 / 4
1.5, 2, 3, 4 kHz
65/55 dB SPL
±7 dB
1.22
30 dB SPL
60 seconds
-5 dB SPL
6 dB
98.3%
±2 dB
3 / 4
1.5, 2, 3, 4, 6 kHz
65/55 dB SPL
±7 dB
1.22
30 dB SPL
60 seconds
-5 dB SPL
6 dB
98.3%
±2 dB
3 / 5
2, 3, 4, 5 kHz
65/55 dB SPL
through the
Algorithmic
sensitivity
> 99.6%
> 99.6%
> 99.6%
> 99.6%
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