Interacoustics Callisto - Page 71

Callisto RETSPL-HL Tabel
Japan Free Field
ISO 389-7 2005
Free Field max SPL
Free Field max HL is found by subtracting the selected
RETSPL value
Binaural
Binaural to
Monaural
Free Field Power
0°
45°
90°
correction
0° - 45° - 90°
RETSPL RETSPL RETSPL RETSPL
Max SPL
Speech
10
6
4.5
2
90
Speech Noise
10
6
4.5
2
85
Speech WN
2.5
-1.5
-3
2
87
SPL Free Field
ISO 389-7 2005
Free Field max SPL
Free Field max HL is found by subtracting the selected
RETSPL value
Binaural
Binaural to
Monaural
Free Field Power
0°
45°
90°
correction
0° - 45° - 90°
RETSPL RETSPL RETSPL RETSPL Max SPL
Speech
0
-4
-5.5
2
90
Speech Noise
0
-4
-5.5
2
85
Speech WN
2.5
-1.5
-3
2
87
Equivalent Free Field
Speech Audiometer
TDH39
DD45
DD65V2
HDA200
HDA300
IEC60645-2
1997
PTB – DTU
2010
PTB-AAU
2018
ISO389-8
2004
PTB 2013
ANSI S3.6-2010
Coupler
IEC60318-3
IEC60318-3
IEC60318-1
IEC60318-1
IEC60318-1
Frequency
G
F
-G
C
G
F
-G
C
GF-GC
G
F
-G
C
G
F
-G
C
125
-17,5
-21.5
-4.5
-5,0
-12.0
160
-14,5
-17.5
-3.5
-4,5
-11.5
200
-12,0
-14.5
-4.5
-4,5
-11.5
250
-9,5
-12.0
-4.5
-4,5
-11.5
315
-6,5
-9.5
-4.0
-5,0
-11.0
400
-3,5
-7.0
-2.0
-5,5
-10.0
500
-5,0
-7.0
-3.0
-2,5
-7.5
630
0,0
-6.5
-2.0
-2,5
-5.0
750
800
-0,5
-4.0
-2.0
-3,0
-3.0
1000
-0,5
-3.5
-1.5
-3,5
-1.0
1250
-1,0
-3.5
-1.5
-2,0
0.0
1500
1600
-4,0
-7.0
-3.0
-5,5
-0.5
2000
-6,0
-7.0
-2.5
-5,0
-2.0
2500
-7,0
-9.5
-2.5
-6,0
-3.0
3000 -5.5
3150
-10,5
-12.0
-9.5
-7,0
-6.0
4000
-10,5
-8.0
-9.5
-13,0
-4.5
5000
-11,0
-8.5
-13.0
-14,5
-10.5
6000
6300
-10,5
-9.0
-9.0
-11,0
-7.0
8000
+1,5
-1.5
-4.5
-8,5
-10.0