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CAPELLA Cochlear Emissions Analyzer
1
Introduction
GN Otometrics A/S
The CAPELLA Cochlear Emissions Analyzer is the most recent addi-
tion to the comprehensive line of audio diagnostic instrumentation
from GN Otometrics. Capella is a PC-based system which runs under
Microsoft® Windows™, either together with the NOAH/PAX soft-
ware platform, or as a self-contained program. In addition to the
main unit containing the hardware, Capella consists of separate soft-
ware modules, this documentation and accessories.
Capella evaluates both of the two broad classes of emissions, Sponta-
neous and Evoked, and two of the evoked emission types, Transient
and Distortion Product. Two separate modes are incorporated for
Transient emissions, Echo-Screen for rapid neo-natal and infant
screening, and TEOAE for clinical and diagnostic testing of all pa-
tients. Tests include amplitude and input/output determinations of
Evoked emissions, as well as spectral averages of Spontaneous emis-
sions. A Tympanometry module is included for identifying hearing
problems arising in the middle ear.
CAPELLA Cochlear Emissions Analyzer is operated by an IBM or com-
patible personal computer via the built-in RS232C connection, and
offers the following unique features:
•
Windows-based software running under NOAH or PAX.
•
Small, lightweight combination probe tip.
•
Separate Echo-Screen probe especially suited to infants and
new-born babies.
•
Each probe is individually calibrated for maximum probe
measurement accuracy.
•
Mounting options for probe assembly: shoulder harness,
standard sized headband or children´s headband.
•
Significantly reduced noise floor for threshold detection and
Input/Output tests.
•
Screening Tympanometry module.
•
Echo-Screen baby screening module.
User Manual
5
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