AmpliVox Otowave 202 Manual De Funcionamiento página 73

Susceptance jB
Always Stiffness
dominated
Origin (Admittance = 0)
Susceptance jB
Stiffness
dominated
Origin (Admittance = 0)
Mass dominated
Otowave 202 Manual de Funcionamiento
OM031-4
In these diagrams Y
at +200 daPa. Y
B
Y
n
n
Length = |Y
Compensated value length approx.|Y
B
Y
ec ec
Fig 1: 226 Hz: The distance between the n
sample Y shown in blue
ec
between the lengths |Y
226 Hz and readings are always stiffness dominated. Scalar subtraction
B
n
B
ec
Fig 2: 1000 Hz probe tone: Although the Susceptance values B
the 226 Hz diagram the distance between the n
shown in red is nothing like the difference in lengths between Y
be close to zero), due to the Conductance values and the possibility of mass dominated
measurements. Vector subtraction Y
Figuras 1 y 2: La Resta de Vectores
is typically the Admittance value
ec
is the Admittance value of the n
n
sample in the tympanogram.
|
n
Length = |Y |
ec
th
sample Y
is essentially the same as the difference in lengths
| and |Y |because Conductance is always small at
n ec
|Y |-|Y | is adequate.
n ec
Length = |Y
Length = |Y |
ec
th
sample Y
th
|-|Y |
n ec
Conductance G
and the baseline
n
Y
n
Compensated value
length = |Y – Y |
n ec
|
n
Y
ec
Conductance G
G G
n ec
and B are the same as in
n ec
and the baseline sample Y
n
and Y (which here would
n ec
- Y is necessary.
n ec
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ec