OPTICOM OPERA Broadcast, User Manual

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C H A P T E R 4 : G E T T I N G T O K N O W T H E O P E R A ™
F R A M E W O R K
60
Note:
For consistency reasons the diagrams and/or the history buffer will
be cleared when changing the algorithm or its parameters.
After having selecting a valid measurement algorithm now, the measurement
may begin.
Figure 4.26:
Warning Message
4.4.3 How to Start a Measurement
After selecting a measurement algorithm, continue to start a measurement. To
do so, there are two possibilities. Either
1. Select
Measurement|Start
from the menu bar,
Or
2.
click
on the appropriate toolbar button shown in
Figure 4.27
.
Figure 4.27:
Toolbar button for starting the measurement
This will start the "
Measurement Setup Wizard
". This wizard is a step by step
guide through the set-up, making sure that all parameters that are required to
obtain correct results are set.
Measurement Setup Wizard Step 1, Physical Input 1
With the first wizard step (see
Figure 4.28
) select the physical source of your
first input signal
. Choose between the sound board and a file as the source for
the input signal. Select the Sound Board radio button when performing online
measurements. In the case of a file as the input, please note that although the
wizard allows you to select between various source formats, only WAVE files
containing plain PCM or G.711 (a-/mu-law) are supported by the current
version of the OPERA™ system.
First click on the radio button next to "
File
" if this button is not already
highlighted. Next enter a valid filename for this input. Either manually type it
into the edit field, then select one from the list of the edit field, or click on