Interacoustics Callisto Gebrauchsanweisung Seite 400

Callisto RETSPL-HL Tabel
Transducer
Impedance
Coupler
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
DD45 (G -G ) PTB-DTU report 2009-2010.
F C
TDH39 (G -G ) IEC60645-2 1997.
F C
HDA200 (G -G ) ANSI S3.6 2010 and ISO 389-8 2004.
F C
HDA300 (G -G ) PTB report 2013.
F C
Norway Speech level IEC60645-2 1997+20dB (acoustical linear weighting)
Norway Speech Equivalent free field level (G
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – EAR5A – IP30 – B71- B81 IEC60645-
2 1997 +20dB (no weighting)
Transducer
Impedance
Coupler
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
Norway Speech RETSPL
DD45 TDH39 HDA200
10 Ω 10 Ω 40 Ω
6ccm 6ccm Artificial ear
RETSPL RETSPL RETSPL
40.0 40.0 40.0
3.5 0.5 3.5
6.0 7.0 5.5
40.0 40.0 40.0
3.5 0.5 3.5
6.0 7.0 5.5
22.5 22.5 22.5
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
F C
Norway Speech max HL
DD45 TDH39 HDA200
10 Ω 10 Ω 40 Ω
6ccm 6ccm Artificial ear
Max HL Max HL Max HL
80 80 65
110 110 95
115 110 105
75 75 60
105 110 90
110 105 100
95 95 85
HDA300 EAR3A IP30
23 Ω 10 Ω 10 Ω
Artificial ear 2ccm 2ccm
RETSPL RETSPL RETSPL
40.0
1.0
2.0 40.0 40.0
40.0
1.0
2.0 40.0 40.0
22.5 22.5 22.5
HDA300 EAR3A IP30
23 Ω 10 Ω 10 Ω
Artificial ear 2ccm 2ccm
Max HL Max HL Max HL
70
105
115 75 75
65
105
115 70 70
90 85 85
EAR5A B71 B81
10 Ω 10 Ω 12.5 Ω
2ccm Mastoid Mastoid
RETSPL RETFL RETFL
40.0 75.0 75.0
40.0 75.0 75.0
22.5 57.5 57.5
EAR5A B71 B81
10 Ω 10 Ω 12.5 Ω
2ccm Mastoid Mastoid
Max HL Max HL Max HL
80 40 40
70 30 30
85 55 60