OPTICOM OPERA - V 3.5 User Manual page 133

C H A P T E R 6 : T E L E P H O N Y
T E S T I N G
Pressing Next again leads to the next step, the Result Style dialog (see Figure
6.9. Here select the way data is shown on the screen. Usually this selection is
identical to selecting the units of the diagram axes. For the time signals choose
between a binary, linear representation in which the input signals are always
scaled to [-32768 ... +32767], or a dB FS (full scale, = dB
Note:
Independent of the input data format, samples are always
converted to 16bit/sample. This means that 8bit/sample data are
multiplied by 256 before they are processed any further.
Figure 6.9: Result Style Window
After this last step click on Finish and the selected diagram will appear in the
diagram pane as shown in Figure 6.10. Observe an excerpt of the time signal
of one frame.
Figure 6.10: Time signals diagram
B A N D V O I C E Q U A L I T Y
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) scale.