the channels is phase inverted it will result in a horizontal line or for mono the plotted line
will reduce close to silence.
LUFS
Loudness Units Full Scale or LUFS, is an average calculation of sound over time and follows
the EBU R128 recommendation.
In the bottom right corner there are three time scales, M (Momentary), S (Short-term) and in
I (Integrated). The time scales all have different time windows. M - 400ms, S - 3sec, I - from
start to present. All three timescales show the present average loudness.
The radar displays either Momentary, short term or integrated EBU loudness over time. In
the VB440 there are three optional modes Full
, EBU +9
and EBU +18
. All three modes
display different scales:
- Full
, range from -70 to 0 LUFS.
- EBU +9
range from -41 to -14 LUFS
- EBU -18
range from -59 to - 5 LUFS.
From the main screen it is possible to choose between three different time intervals for the
radar display, 15s, 30s, and 3m. By double clicking on the radar you also have the time
intervals of 1m and 5m. In addition be able to edit the settings as shown below.
VB440 Studio Probe User’s Manual v6.0 © Bridge Technologies Co AS 35
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