Basic Operation; The Main Window - OPTICOM OPERA - V 3.5 User Manual

C H A P T E R 4 :
Consequently, the idea behind the framework is to share these parts between
various measurement algorithms. The framework will provide the required
resources, and the algorithms are just plug-ins, that focus on their real task. And
of course it is advantageous that the system can easily be expanded by adding
new plug-ins as technology advances and if new, more precise perceptual
models become available. The other way round, all implemented algorithms
benefit from improvements of the user interface, the signal pre-processing or the
implementation of new interfaces. The example screen shot, shown in Figure
4.23 illustrates the graphical user interface realized under Windows NT for a
typical measurement situation.
As mentioned before, there are currently three standardized measurement
schemes implemented in OPERA™ - PEAQ, PESQ and PSQM- which will be
explained in more detail in the corresponding chapters.
Figure 4.23: An example screen shot of the graphical user interface of OPERA™
The following sections will explain all menu options and command line
parameters of the framework.

4.4 Basic Operation

4.4.1 The Main Window

If you first start OPERA™, the screen will look somehow like Figure 4.24.
OPERA™ uses a standard Windows operating environment, so most users will
be familiar with menu bars, toolbars and so on. The main window of OPERA™
contains a menu bar with the entries File, Edit, View, Measurement and Help
on top. A toolbar below the menu bar contains some buttons as short cuts to the
menu bar items.
G E T T I N G T O K N O W
F R A M E W O R K
57
T H E O P E R A ™
Algorithms are just
plug-ins
Menu bar and
Toolbar