Audioscan Axiom - Manual (Page 4)

Axiom ® User's Guide Version 1.8  May 2015
Speechmap facts ................................................................................................................................................................. 79
DSL 5.0 in Speechmap ....................................................................................................................................................... 79
DSL 5.0 changes ................................................................................................................................................................. 80
NAL-NL1 in Speechmap .................................................................................................................................................... 80
NAL-NL2 in Speechmap .................................................................................................................................................... 80
Camfit in Speechmap ......................................................................................................................................................... 81
Using Speechmap ............................................................................................................................................................... 81
Speechmap Setup ................................................................................................................................................................ 82
Screen tour - unaided screen .............................................................................................................................................. 84
Screen tour - aided screen .................................................................................................................................................. 85
On-ear or Test box mode .................................................................................................................................................... 85
SII calculation in Speechmap ............................................................................................................................................. 86
Using Custom Stimuli in Speechmap ................................................................................................................................ 86
Creating WAV Files for Speechmap ................................................................................................................................. 87
18 Speechmap Fitting Procedures .......................................................................................................................................... 90
Speechmap screen choices ................................................................................................................................................. 90
Data entry ........................................................................................................................................................................... 91
Fitting to targets for soft speech ......................................................................................................................................... 91
Fitting to targets for average speech ................................................................................................................................. 92
Adjusting the Maximum Output Level .............................................................................................................................. 94
Open fittings in Speechmap ............................................................................................................................................... 95
Verifying Frequency Compression/ Frequency-Lowering Hearing Instruments in Speechmap ...................................... 95
FM fitting and verification ................................................................................................................................................. 97
19 Speechmap Technical Details ............................................................................................................................................ 99
Speechmap stimuli ............................................................................................................................................................. 99
Stimulus levels .................................................................................................................................................................... 99
Microphone location effects ............................................................................................................................................. 100
Deep insertion compensation ........................................................................................................................................... 101
Speech signal analysis ...................................................................................................................................................... 101
20 Troubleshooting ............................................................................................................................................................... 102
Self test failures ................................................................................................................................................................ 102
Initialize Function ............................................................................................................................................................ 102
Test box high distortion or noise ...................................................................................................................................... 103
Test box curves inconsistent ............................................................................................................................................ 103
Test box curves differ from specifications ...................................................................................................................... 103
Test box speaker overdriven ............................................................................................................................................ 103
No test box reference mic. detected ................................................................................................................................. 104
Invalid test box calibration ............................................................................................................................................... 104
No on-ear ref. mic. detected ............................................................................................................................................. 104
Invalid on-ear calibration ................................................................................................................................................. 104
Sound-field speaker overdriven ....................................................................................................................................... 105
Barcode scanner malfunction ........................................................................................................................................... 105
21 Technical Specifications .................................................................................................................................................. 108
General .............................................................................................................................................................................. 108
Test box ............................................................................................................................................................................ 108
On-Ear ............................................................................................................................................................................... 108
Sensory Loss Simulator .................................................................................................................................................... 109
22 Glossary ............................................................................................................................................................................ 111
23 References ........................................................................................................................................................................ 116
24 Appendix 1 ....................................................................................................................................................................... 119
Manufacturer Disclosure Statement for Medical Device Security ................................................................................. 119
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