HP Omni 200-5000 Guia do Utilizador descarregar pdf (Página 128)

Figure 10: Speech is detectable but not understandable if the 99th percentile is at threshold

Figure 11: When LTASS is at threshold, SII ≈ 33% which corresponds approximately to SRT

09/01/29 © Etymonic Design Incorporated, 20 Ludwig St., Dorchester, ON, Canada N0L 1G4

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Audioscan RM500SL 1
User's Guide 3.12 1
Table of Contents 2
1 About RM500SL 6
SAFETY WARNINGS and NOTICES 7
Environmental safety 7
March 2015 10
Electronic User’s Guide 11
2 Getting Started 13
General care instructions 14
Microphone care 15
Battery pill use and care 15
3 General Operation 18
Keypad keys 19
Menus, lists and buttons 20
Screen messages and Help 21
Software updating 21
4 General Setup 22
5 Networking 24
NOAH Service Port 25
Testing the NOAH service port 26
6 Single computer connection 27
Local printer setup 30
Printing to USB memory 31
Network printer setup 32
Printing to a network file 32
Storing and restoring data 33
Data storage using NOAH 35
8 Test Box Measures - Setup 36
1996 or 2003 ANSI standard 37
ANSI test frequencies 37
Test box calibration facts 37
9 ANSI Hearing Aid Tests 42
ANSI test results 44
ANSI input-output curves 44
ANSI telecoil terminology 45
Telecoil test results 46
10 Other Test Box Measures 48
Multicurve procedure 49
Multicurve results 49
Battery drain test 50
Manual control procedure 50
11 Sensory loss simulator 53
12 On-Ear Measures - Setup 54
Max TM SPL setup 56
ABR nHL to eHL setup 57
Positioning the client 57
Positioning the probe tube 58
SPL or HL scale 60
Hide or show on-ear curves 61
On-ear feedback test 62
On-ear noise reduction test 62
On-ear manual control 63
15 Occlusion Effect Test 65
16 RECD measurement 66
Measure RECD 67
RECD results 68
ANSI S3.46(2013) RECD 69
RECD protocols 69
RECD facts 70
17 Insertion Gain 72
Insertion gain in HL 73
Audiometric data entry 73
REUR measurement procedure 74
REAR measurement procedure 75
18 Speechmap 77
DSL 5.0 changes 78
NAL-NL1 in Speechmap 78
NAL-NL2 in Speechmap 78
Camfit in Speechmap 79
Using Speechmap 79
Speechmap Setup 80
Screen tour - aided screen 82
On-ear or Test box mode 82
Assessment data entry 87
Assessment data choices 88
Open fittings in Speechmap 91
FM fitting and verification 93
Speechmap stimuli 95
Stimulus levels 95
Microphone location effects 96
Deep insertion compensation 97
Speech signal analysis 97
21 Troubleshooting 98
Test box speaker overdriven 99
Invalid on-ear calibration 101
Barcode scanner malfunction 101
22 Technical 104
Specifications 104
Sensory Loss Simulator 105
23 Glossary 107
24 References 112
25 Appendix 1 115
26 Appendix 2 118
1 Introduction 119
2 The test signals 119
2.1 Narrow-band signals 120
2.2 Broad-band signals 120
2.2.3 Real-speech signals 122

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