Table of Contents
Measuring Threshold and LDL in dB SPL
Real-Ear LDL Measures
Example of Data Entry into Patient’s Chart
LDL MeasuresCategorical Loudness Scale
Real-Ear Loudness Measures
PPT Slide
You’ve Just Measured the REDD Real Ear To Dial Difference
RESR90 Using Previously Measured LDLs
Why Measure Individual LDL When Many Suggest You Can Predict LDL from Threshold(Pascoe, 1988)
ANSI S3.3-1996Convert dB HL to SPL near Average TM
Why Measure LDL?Case Study
Case Study: LGOB Left Ear
Case Study: LGOB Right Ear
Intersubject Variability of SPL measured near TM with TDH-39 Earphones(Valente et al, 1994)
Intersubject Variability of SPL near TM with Insert Earphone(Valente et al, 1994)
Predicted versus Measured Threshold and LDL with Audioscan “SpeechMap” in Subject #1(Valente et al, 1994)
Predicted versus Measured Threshold and LDL with AudioScan “SpeechMap”in Subject #2(Valente et al, 1994)
Thresholds and LDL for “Loud” for Subject #1
Thresholds for AD and AS and LDL for “Loud” on LGOB (Subject #8)
Intersubject Variability of LDL @ 500 Hz
Intersubject Variability of LDL @ 1000 Hz
Intersubject Variability of LDL @ 2000 Hz
Intersubject Variability of LDL @ 4000 Hz
PPT Slide
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Author: Michael Valente and Kristina
Frye
Email: sales@frye.com
Home Page: www.frye.com
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