otometrics AURICAL Aud, Reference Manual

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Control
Stim On When checked, the stimulus will be continuously on and will turn off when you press the stim-
ulus button.
Stim. Lock The stimulus/masker from both channels will be presented simultaneously if this option is
enabled.
Tracking When the intensity of the stimulus/masker for a channel is increased/decreased by x dB the
intensity of the stimulus/masker for the other channel will also increase/decrease by the same
x dB if this option is enabled.
Pulsed Tone only:
The stimulus pulses 200ms on and 200ms off if this option is enabled.
The pulse duration is configurable: Select Tools > Options ... > Audiometry > Tone > Meas-
urement > Pulsed .
Tone specific options
Stimulus
Tone
Presents a pure tone as the stimulus type.
•
125 Hz to 12,500 Hz is standard.
Warble
Presents a warbled pure tone as the stimulus type. This stimulus type should be used for sound
field testing to avoid any standing waves. Warble depth and rate are configurable: select
Tools
>
Options
>
Audiometry
>
Tone
>
Measurement, Misc
>
Warble
.
FRESH Noise
Presents the customized FRESH noise as the stimulus type.
ab
FRESH stands for FREquency Specific Hearing assessment noise.
Speech specific options
Input
Speech material
source (drop down
list) Determines the input to Source A and Source B.
The options are:
•
Int. File
(stored on hard drive),
• Int. CD (internal CD drive built into the PC),
•
Line In
(external medium connected to the PC).
aThe FRESH noise is implemented according to specifications of "Stimuli for Sound Field Audiometry: A Response to
Lippmann and Adams", G. Walker and H. Dillon, 1984 in Journal of Speech and Hearing Disorders, p 219, and H. Dillon
(2008), personal communication.
bFor more information read: "Narrow Band Noise Audiometry: The Effect of Filter Slope", Daneil J. Orchik and Nancy L.
Mosher, 1975 in The Journal of American Audiology Society, Vol. 1, No. 2, p. 50-53.
Otometrics - AURICAL Aud 23
2 Navigating in the OTOsuite Audiometry Module