I
E
NSERT
ARPHONES
Transducer
Impedance
Coupler
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
ANSI Speech level 12.5 dB + 1 kHz RETSPL ANSI S3.6 2018 (acoustical linear weighting)
•
ANSI Speech Equivalent free field level 12.5 dB + 1 kHz RETSPL – (GF-GC) from ANSI S3.6 2018(acoustical equivalent
•
sensitivity weighting)
ANSI Speech Not linear level 1 kHz RETSPL ANSI S3.6 2018 (DD45-TDH50-HDA200) and IP30- B81 12.5 dB + 1 kHz
•
RETSPL ANSI S3.6 2018 (no weighting)
I
E
NSERT
ARPHONES
Transducer
Impedance
Coupler
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
IEC Speech level IEC60645-2 2017 (acoustical linear weighting)
•
•
IEC Speech Equivalent free field level (G
•
IEC Speech Not linear level 1 kHz RETSPL (DD45-TDH50-HDA200) and IP30 -B81 IEC60645-2 2017 (no weighting)
D-0131088 Rev C, 2022-07
GSI AudioStar Pro Instructions for Use
- ANSI S
RETSPL
PEECH
IP30
10 Ω / 50 Ω
2ccm
RETSPL
- IEC S
RETSPL
PEECH
IP30
10 Ω / 50 Ω
2ccm
RETSPL
-G
) from IEC60645-2 2017 (acoustical equivalent sensitivity weighting)
F
C
IP30
10 Ω / 50 Ω
711
RETSPL
12.5
12.5
15
IP30
10 Ω / 50 Ω
711
RETSPL
20
20
22.5
18
18
20.5
20
20
22.5
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