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RTW Introduces the "Loudness Family" at
2008NAB, Booth # N3223
April 7, 2008
Source: RTW
RTW today
announced that its SurroundControl, SurroundMonitor, and DigitalMonitor
now include an integrated loudness display conforming to the
ITU BS.1771 guideline as a standard feature.
With this line-up, the Cologne-based manufacturer now offers
easy-to-use solutions for monitoring the loudness of stereo,
multi-channel, and surround signals in a wide range of applications,
as a complement or an alternative to conventional peakmeters.
A reliable and standardised method for evaluating program
loudness is essential for preventing abrupt volume-level changes
in radio and TV broadcasts. RTW's solutions for this requirement
begin with its entry-level system for ITU-compliant loudness
display, the RTW DigitalMonitor 10500 — a high-performance,
budget-friendly display system with a TFT screen for monitoring
digital stereo audio signals. Users can select integrated
loudness measurement, as per ITU BS.1771 for stereo signals,
as an alternative to the usual peakmeter bargraphs. This feature
can be activated quickly and easily via suitably programmed
pre-sets. The six-channel SurroundMonitors 10600 and 10660-VID
extend this capability to include monitor digital multi-channel
and surround audio signals as well as stereo. They also include
an integrated Surround Sound Analyzer.
Depending on the selected channel mode, the display shows
two or six bargraphs for the individual channels, plus two
further bargraphs for the summed-up loudness of the 5.1 or
stereo channels and the result of an integration over longer
time-spans.
All three models now leave the factory with the new display
options. The eight-channel SurroundMonitor 11900, and the
top-of-the-line SurroundControl 31900 and 31960 with an additional
sophisticated monitoring control, give users even more display
options. Three individual bargraphs show the summed-up loudness
of all individual signals, the integrated value with a dynamical
time window, and the result of a long-time integration over
the last seven days or more. These can be used in addition
to or instead of the usual peakmeter bargraphs. Other features
include numerical loudness display and data logging with a
chart recorder.
The current software versions for all three series include
a number of further enhancements and improvements. For example,
the new full-screen mode for the DigitalMonitor 10500 and
SurroundMonitor 10600/10660-VID features an extra-large display,
while the SurroundControl 31900/31960 incorporates a flexible
internal signal generator that relies on signal clusters in
BLITS format, enabling easy identification of individual surround
channels.
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