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101 Speech Intelligibility
STI-PA setup
Models SE and DL
Post Process
field
An optional “captured curve” feature can be applied to your STI-PA
testing. Essentially,
you take a snap shot of the current sound level
measurement and store it as your background noise. Once the
background noise data is gathered, you can apply the captured
noise during your STI-PA measurement. This may be used in a
situation where you cannot play the test signal during “normal”
working hours. (Please refer to Chapter 1, “When to take STI-PA
measurements, scenario 2” for more details.)
Range field
You can change the range when measuring. The following ranges
are selectable parameters: 90 dB – 140 dB, 80 dB –
130 dB, 70 dB
-120 dB ,60 dB – 110 dB, 50 dB – 100 dB, 40 dB – 90 dB, 30 dB-
80
dB, and 20 dB – 70 dB.
Table 6-3: Measures setup screen parameters explained
Setting up STI-PA (speech intelligibility)
1. Turn the meter On.
2. From the Start screen, select the Measurement type as STI-PA.
• Press the first softkey repeatedly until “STI-PA” appears.
Figure 6-18: Measurement type selection (STIPA)
3. Using Up/Down arrows, highlight Setup menu and press Enter .
4. Using Up/Down arrows, highlight Options and press Enter .
5.
Press Up/Down arrows, to select Speech Intelligibility & press Enter .
Selecting measurement type
STIPA