audioscan Verifit VF-1, Руководство пользователя

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0611 Verifit User’s Guide Version 2.8 Page 5
17.7 SII calculation in Insertion gain ...............................................................................................80
17.8 CROS fitting using Insertion gain ............................................................................................81
18 Speechmap ® ...............................................................................................................82
18.1 Section overview ....................................................................................................................82
18.2 Speechmap facts....................................................................................................................82
18.3 DSL 5.0 in Speechmap...........................................................................................................83
18.4 DSL 5.0 changes ....................................................................................................................84
18.5 NAl-NL1 in Speechmap ..........................................................................................................84
18.6 Using Speechmap ..................................................................................................................85
18.7 Screen tour - unaided screen..................................................................................................86
18.8 Screen tour - aided screen......................................................................................................86
18.9 REM or S-REM mode .............................................................................................................87
18.10 SII calculation in Speechmap..............................................................................................88
19 Speechmap Fitting Procedures...................................................................................89
19.1 Section overview ....................................................................................................................89
19.2 Assessment data entry ...........................................................................................................89
19.3 Assessment data choices - 1 ..................................................................................................90
19.4 Assessment data choices – 2 .................................................................................................91
19.5 Fitting to targets for soft speech ..............................................................................................92
19.6 Fitting to targets for loud sounds .............................................................................................93
19.7 Fitting to targets for mid-level speech......................................................................................94
19.8 Open fittings in Speechmap....................................................................................................94
19.9 FM fitting and verification........................................................................................................95
19.10 CROS fitting in Speechmap ................................................................................................96
20 Speechmap Technical Details .....................................................................................97
20.1 Section overview ....................................................................................................................97
20.2 Speechmap stimuli .................................................................................................................97
20.3 Stimulus levels .......................................................................................................................98
20.4 Microphone location effects ....................................................................................................99
20.5 Speech signal analysis ......................................................................................................... 100
21 Troubleshooting.........................................................................................................101
21.1 Section overview .................................................................................................................. 101
21.2 Self test failures.................................................................................................................... 101
21.3 HIT high distortion or noise ................................................................................................... 102
21.4 HIT curves inconsistent ........................................................................................................ 102
21.5 HIT curves differ from specifications ..................................................................................... 103
21.6 HIT speaker overdriven ........................................................................................................ 103
21.7 No HIT reference mic. detected ............................................................................................ 103
21.8 Invalid HIT calibration ........................................................................................................... 104
21.9 No REM ref. mic. detected.................................................................................................... 104
21.10 Invalid REM calibration ..................................................................................................... 104
21.11 REM speaker overdriven................................................................................................... 105