Verifit / RM500SL Speechmap | HP instruction

Analysis Bandwidth Used by Various Analyzers

To Analyze Complex Signals

	35
				Verifit / RM500SL - Speechmap
				1/24th Octave Analyzers
	30			The Normal Ear - Critical Bands
	30			100 Hz band analyzers
				100 Hz band analyzers
(Hz)	25
(Hz)
Bandwidth	20
Bandwidth
10 Log Analysis	15
10 Log Analysis	10
	10
	5
	0
	200	250	315	400	500	630	800	1000	1250	1600	2000	2500	3150	4000	5000	6300

Band Center Frequency (Hz)

Figure 4: Analysis bandwidths of some real-ear analyzers and critical bands for a normal ear. If the analysis bandwidth is less than a critical band, aided response curves shown to be at threshold (or UCL) will actually be well above it.

Figure 5: Output (left) and Gain (right) curves for a linear hearing aid, generated using a swept tone

(1) and pink noise analyzed in 1/12 octave bands (2). (Dual view not available in RM500SL)

07/05/06	© Etymonic Design Incorporated, 41 Byron Ave., Dorchester, ON, Canada N0L 1G0	Page 5
	USA 800-265-2093 519-268-3313 FAX 519-268-3256 www.audioscan.com

Image 106

HP manual Verifit / RM500SL Speechmap

Contents

USER’S Guide Getting Started Table of ContentsGeneral Setup General Operation Ansi S3.22 Hearing Aid Tests Hearing Instrument Tests SetupOther Hearing Instrument Tests REM Manual Control Troubleshooting Speechmap Fitting ProceduresSpeechmap Technical Details Section overview About RM500SLHelp is available on the following topics by pressing Help FastFacts 1.3 Electronic users guide Warranty, Trademarks, Acknowledgements FastFacts 1.4 Warranty, trademarks, acknowledgements Electromagnetic Compatability EMC Cispr Getting Started FastFacts 2.1 Getting started Unpacking and connectingFastFacts 2.2 Unpacking and connecting Following topics are covered in this section Microphone connection FastFacts 2.3 Microphone connection Microphone care Coupler microphone FastFacts 2.4 Microphone care Battery pill use and careFastFacts 2.5 Battery pill use and care Probe microphone Mouse, keyboard, barcode scanner FastFacts 2.6 Mouse, keyboard, barcode scanner FastFacts 2.7 External printer, auxiliary audio outputs General OperationExternal printer, auxiliary audio outputs Section overview This section covers the following topics Function Keypad Input device operationFastFacts 3.2 Input device operation Barcode data input FastFacts 3.3 Barcode data input Keypad keys Function Button FastFacts 3.4 Keypad keys Menus, lists and buttons Setup Box List Box FastFacts 3.5 Menus, lists and buttons FastFacts 3.7 Program memory removal and replacement Screen messages FastFacts 4.2 Date and time setup General SetupFastFacts 4.1 General setup Date and time setup Software updating FastFacts 4.3 Display settings Saving test setup Display settingsFastFacts 4.4 Saving test setup FastFacts 5.1 Networking Networking requirements NetworkingFastFacts 5.2 Networking requirements Networking setup FastFacts 5.3 Networking setup On the RM500SL, see Single computer connectionFastFacts 5.4 Single computer connection Printing and Storing Results FastFacts 6.1 Printing and storing results To load a new roll of paper Internal printer paper loadingFastFacts 6.2 Internal printer paper loading FastFacts 6.4 Local printer setup Barcodes, headers and comments on printouts Printing to a USB memory stick FastFacts 6.5 Printing to a USB memory stick Network printer setup FastFacts 6.6 Network printer setup Printing to a network file FastFacts 6.8 Data storage to a network file FastFacts 7.3 Graph or table format Output or gain scale Hearing Instrument Tests SetupFastFacts 7.2 HIT a or B display Graph or table format FastFacts 7.4 Output or gain scale To change the averaging frequencies Hide or Show HIT curvesFastFacts 7.7 Ansi test frequencies HIT calibration facts FastFacts 7.8 HIT calibration facts FastFacts 7.9 Calibration of HIT reference microphone Calibration check for coupler microphone FastFacts 7.10 Calibration check for coupler microphone Coupling the hearing instrument Positioning the hearing instrument FastFacts 7.12 Positioning the hearing instrument Ansi S3.22 Hearing Aid Tests FastFacts 8.2 Ansi S3.22-1996 facts Turn the instrument on Ansi S3.22-2003 factsFastFacts 8.4 Ansi 1996 Linear and AGC tests Ansi 2003 Linear and AGC tests FastFacts 8.5 Ansi 2003 Linear and AGC tests Ansi test results FastFacts 8.6 Ansi test results Ansi input-output curves FastFacts 8.7 Ansi input-output curves Ansi telecoil terminology FastFacts 8.8 Ansi telecoil terminology Ansi telephone simulator Tmfs test FastFacts 8.9 Ansi telephone simulator Tmfs test Telecoil test results FastFacts 8.10 Telecoil test results Turn the hearing instrument on Other Hearing Instrument TestsFastFacts 9.2 Harmonic distortion FastFacts 9.3 Multicurve procedure Multicurve results Multicurve procedureFastFacts 9.4 Multicurve results FastFacts 9.6 Battery drain test Spectral analysis in Multicurve Manual control procedure FastFacts 9.8 Sound level meter using manual control Real-Ear Measurement Setup FastFacts 10.2 REM calibration facts Calibration of REM probe microphone FastFacts 10.3 Calibration of REM probe microphone Calibration check for probe module FastFacts 10.5 Max TM SPL setup 10.6 ABR nHL to eHL setup Max TM SPL setupFastFacts 10.6 ABR nHL to eHL setup Positioning the client FastFacts 10.8 Positioning the probe tube REM Screen Setup FastFacts 11.3 Graph, table or 2cc target format FastFacts 11.4 SPL or HL scale Hide or show REM curves REM Manual ControlSPL or HL scale FastFacts 11.5 Hide or show REM curves FastFacts 12.3 Sound level meter using REM probe Manual control measurements Sensory loss simulator description Sensory Loss SimulatorFastFacts 13.2 Sensory loss simulator operation Turn the hearing aid OFF Occlusion Effect TestOcclussion effect measurement FastFacts 14.1 Occlusion effect measurement Recd real-ear to coupler difference FastFacts 15.2 Recd facts Recd coupler response FastFacts 15.3 Recd coupler response Allow the foam tip to fully expand in the ear Recd real-ear responseFastFacts 15.4 Recd real-ear response Recd results FastFacts 15.5 Recd results FastFacts 16.1 Insertion gain Insertion gain in SPL Insertion GainFastFacts 16.2 Insertion gain in SPL Insertion gain in HL FastFacts 16.3 Insertion gain in HL To enter assessment data and parameters manually Audiometric data entryTo enter data from a barcode see 3.3 Barcode data input FastFacts 16.4 Audiometric data entry Reur measurement procedure FastFacts 16.5 Reur measurement procedure Rear measurement procedure FastFacts 16.6 Rear measurement procedure SII calculation in Insertion gain FastFacts 16.7 SII calculation in Insertion gain FastFacts 17.1 Speechmap 17.2 Speechmap facts SpeechmapFastFacts 17.2 Speechmap facts DSL 5.0 in Speechmap FastFacts 17.3 DSL 5.0 in Speechmap FastFacts 17.4 DSL 5.0 changes NAL-NL1 in Speechmap DSL 5.0 changesFastFacts 17.5 NAL-NL1 in Speechmap FastFacts 17.6 Using Speechmap Using SpeechmapTo enter audiometric data, see 18.2 Assessment data entry 0611 RM500SL User’s Guide Version REM or S-REM mode FastFacts 17.9 REM or S-REM mode 17.10SII calculation in Speechmap FastFacts 17.10 SII calculation in Speechmap To enter assessment data manually Speechmap Fitting ProceduresFastFacts 18.2 Assessment data entry Assessment data choices FastFacts 18.3 Assessment data choices From 18.3 Assessment data choices FastFacts 18.4 Assessment data choices Fitting to targets for soft speech FastFacts 18.5 Fitting to targets for soft speech Fitting to targets for loud sounds FastFacts 18.6 Fitting to targets for loud sounds Fitting to targets for mid-level speech FastFacts 18.8 Open fittings in Speechmap FM fitting and verification FastFacts 18.9 FM fitting and verification Speechmap Technical Details FastFacts 19.2 Speechmap stimuli Stimulus levels FastFacts 19.3 Stimulus levels Microphone location effects Microphone Location Effects FastFacts 19.4 Microphone location effects Speech signal analysis FastFacts 19.5 Speech signal analysis FastFacts 20.1 Troubleshooting Self test failures TroubleshootingFastFacts 20.2 Self test failures FastFacts 20.4 HIT curves inconsistent No HIT reference mic. detected FastFacts 20.7 No HIT reference mic. detected Invalid HIT calibration Invalid HIT Calibration FastFacts 20.10 Invalid REM calibration 20.11REM speaker overdriven FastFacts 20.12 Barcode scanner malfunction General Technical SpecificationsStorage & Transportation HIT Chamber Glossary Page Page Page References Page Page 0611 RM500SL User’s Guide Version Test signals Verifit and RM500SL Test Signals and AnalysisIntroduction Broad-band signals Loud Vocal Effort Effect re nominal band SPL Analysis of broad-band signals Pink noise signal analysis Verifit / RM500SL Speechmap 07/05/06 Example of speech envelope and Ltass 07/05/06 Ltass for Speechmap speech signals at average vocal effort Ltass Dynamic