Table of Contents
Digital Speech in Noise (DSIN) with the 6500-CX
When Should You Consider Using a “Special” Noise Source to Test DSP Aids?
Examples of Current DSP Hearing Aids Where a Modulated Signal May or May Not Be Required to Obtain Accurate REAG/REIG Measures.
Digital Speech Signal
Entering DSIN
The DSIN Screen
Two Speech Spectra
ANSI and ICRA Spectrum(Frye, 2000)
Same Hearing Aid Measured With Three Signals(Frye, 2000)
Changing the Noise Spectrum
Testing a Digital Hearing Aid
Adding a Bias Tone
PPT Slide
PPT Slide
ANSI Testing with a Bias Tone
No Bias and 500 Hz Bias Added in Between the Bursts of the Digital Speech (Frye, 2000)
PPT Slide
No Bias and 4000 Hz Bias Added in Between the Bursts of the Digital Speech (Frye, 2000)
Curve Comparison using Multi-Curve
Changing the Bias Level
ICRA Testing with a Bias Tone
Bias Tone with Aid With No NR
Multi-Curve with Bias Tones (500, 1000 and 4000 Hz)
Enhanced DSP Option
Enhanced DSP Option
Technical DetailsGroup Delay
Technical DetailsPhase measurement
Entering Enhanced DSP
The Enhanced DSP Screen
Measurement without aid:Measure Delay of the Equipment
Group Delay Results
Phase Results
Enhanced DSP Test #1
Phase comparison
Enhanced DSP Test #2
Enhanced DSP Test #3
Enhanced DSP Test #4
Phase comparison
Enhanced DSP #5
Phase Comparison
Enhanced DSP #6
Comparison of Phase
Real Ear Measures Using Digital Speech Test
Introduction to Real-Ear Digital Speech on the 6500-CX
Entering Real-Ear Mode
Leveling the Sound-Field Loudspeaker
Leveling: Step 2
Leveling: Step 3
Unaided Response - Average or Measured?
Unaided Response
Unaided: Step 2
Audiogram Menu Options
Menu Selections
Entering an Audiogram
Audiogram: Step 2
Audiogram: Step 3
Audiogram: Step 4
Audiogram: Step 5
The SPL Screen
Digital Speech
Digital Speech Selections
SPL Menu
Back to SPL Screen
Digital Fitting: Soft Speech
“Soft” speech measurement
“Average” speech measure
“Loud” measure
Adding a Bias-Tone to DSP
Digital Speech Menu
Examples of the bias signal
Another Example of Using A Bias Signal
Yet Another Example of Using a Bias Signal
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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