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0611 RM500SL User’s Guide Version 2.8 Page 5
18
Speechmap Fitting Procedures
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18.1 Section overview....................................................................................................................77
18.2 Assessment data entry...........................................................................................................77
18.3 Assessment data choices - 1..................................................................................................78
18.4 Assessment data choices - 2..................................................................................................79
18.5 Fitting to targets for soft speech.............................................................................................80
18.6 Fitting to targets for loud sounds.............................................................................................81
18.7 Fitting to targets for mid-level speech.....................................................................................82
18.8 Open fittings in Speechmap...................................................................................................82
18.9 FM fitting and verification........................................................................................................83
19 Speechmap Technical Details.....................................................................................84
19.1 Section overview....................................................................................................................84
19.2 Speechmap stimuli.................................................................................................................84
19.3 Stimulus levels.......................................................................................................................85
19.4 Microphone location effects....................................................................................................86
19.5 Speech signal analysis...........................................................................................................87
20 Troubleshooting...........................................................................................................88
20.1 Section overview....................................................................................................................88
20.2 Self test failures.....................................................................................................................88
20.3 HIT high distortion or noise.....................................................................................................89
20.4 HIT curves inconsistent..........................................................................................................89
20.5 HIT curves differ from specifications.......................................................................................90
20.6 HIT speaker overdriven..........................................................................................................90
20.7 No HIT reference mic. detected..............................................................................................90
20.8 Invalid HIT calibration.............................................................................................................91
20.9 No REM ref. mic. detected.....................................................................................................91
20.10 Invalid REM calibration...........................................................................................................91
20.11 REM speaker overdriven........................................................................................................92
20.12 Barcode scanner malfunction.................................................................................................92
21 Technical Specifications.............................................................................................93
22 Glossary........................................................................................................................94
23 References....................................................................................................................98
24 Appendix 1: AudioNote 2.1 VERIFIT and RM500SL Test Signals and Analysis.....101