How to Guide
Audio Loudness Monitoring
9
www.tektronix.com\wfm8000
www.tektronix.com\wfm7100
www.tektronix.com\wfm5200
How to Configure Loudness Readouts within Audio Display
A user may specifically be interested in the Loudness measurements made by the
instruments and to be able to quickly read the values within the audio display. To configure
this display as shown in Figure 4 perform the following operations.
1. Select one of the tiles (1,2,3,4) and press the
Audio
button
2. Select
FULL
to make the display full screen, pressing
FULL
again will toggle back to
FlexVu™.
On WFM/WVR5200 series use the Thumbnail button to cycle through the tiles and push
and hold the Thumbnail button to toggle between Full and four tile modes.
3. Press and hold the
Audio
button to display the menu.
4. Move up and down the menu using the Arrow Keys or General Knob to the
Aux
Display
menu.
5. Enter the sub menu by pressing
SEL
and navigate to the
Loudness
selection (Figure 4)
Figure 4.
Loudness Readouts within Audio Display.
Figure 4 provides large number readouts for the Short Loudness Duration and Infinite
Loudness measurement, along with values for maximum True Peak and Loudness
Range measurement, based on the statistical distribution of loudness as defined within
EBU R128 and EBU Tech 3342. Loudness Range which is defined within EBU R128
and quantifies the variation of the loudness measurement. The Loudness Range
measurement is based on the statistical distribution of loudness within a program.
