Display Information
Audio Loudness Session
The Audio Loudness Session display is available when Option LOUD and Option
AUD are installed. This display allows you to view an audio loudness chart
and the values associated with audio loudness measurements. This instrument
maintains a running audio loudness session. (See Figure 32.)
Figure 32: Audio Loudness Session display
Con
fi
guring loudness parameters from the con
fi
guration menu.
From the
Loudness Settings
menu in the
CONFIG
button menu, you can set the parameters
that affect loudness measurements. For example, the
Loudness Filter/Measure
selection controls which of three weighting
fi
lters are applied to the audio loudness
measurement. It is used by the loudness algorithm to calculate the audio loudness.
Elements of the Audio Loudness Session display.
Max Value
: Shows the maximum loudness value recorded during the session.
Min Value
: Shows the minimum loudness value recorded during the session.
Loudness Session Avg
: Shows the loudness session average, which is a
summed average of all the values recorded in the session.
Short Period
: Shows the current duration of the short period loudness
average.
Channel Summation
: Shows the summation of audio channels currently
used to compute the loudness average.
Target Value
: Shows the currently de
fi
ned Target Loudness level.
Loudness Session Time
: Shows the current duration of the loudness session
since last reset.
WVR5200 Waveform Rasterizer User Manual
65
Summary of Contents for WVR5200 Series
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