In Broadcast - July 2017 - 30

30

www.inbroadcast.com | Vol: 7 - Issue 6

InTech

RTW Metering The Real-Time Analyzer
By Ulrike Lauterbach, Director of Sales and Marketing

T

he Real Time Analyzer (RTA),
which is available for several
systems from RTW's TouchMonitor
series, shows the spectral distribution
of the frequency range based on
how the human ear senses the audio
signals. The human ear perceives
different frequencies, with the same
acoustic pressure, at different volume
levels. For this reason, users can select
different
standardised
weighting
filters in the configuration of the RTW
TouchMonitors, and these filters are
then used for audio analysis. The
most common filter is A-weighting.
In this, the system provides a quite
realistic picture of how the currently
metered audio sounds.
The RTA has a horizontal axis that
shows the frequency range. The
standard frequency range would
be from 20Hz to 20kHz, which is
the typical range that a human

ear can detect. However, if
you are only interested in the
low frequency range, you can
configure the axis to end at
5kHz, which provides a higher
resolution for this frequency
span. Almost all parts of the
human speech are covered
within this range. For special
applications, you can extend
the 20kHz frequency range
with the H band that shows summed
audio content higher than 20kHz. The

RTW's TM3 Primus and TM7

RTW TM9 metering display

resolution of the RTA can be set to 1/3
octave, 1/6 octave or, with the latest
firmware release for TM7 and TM9,
to 1/12 octave.
The vertical axis shows the
resolution in dB, which has the
options for 3, 6 or 9dB as a
selection. In this way, users can
define the range of the displayed
audio signals. To add a reference
point to the display, a value between

-18dB and +21dB can be set in the
configuration menu.
In addition to the Real Time
Analyzer, RTW also offers a PPM/TPPM
instrument, a Vectorscope, a StereoCorrelator, or for Surround Sound, a
Multi-Correlator, as well as a Surround
Sound Analyzer (SSA).
Additionally, for loudness metering
according to various loudness
standards, loudness bars
or numerical values can be
added to the user interface
(e.g. for EBU128 momentary
loudness, short term loudness
and integrated loudness).
On top of that, the dynamic
of the programme can be
easily shown on the metering
devices, with the MAGIC
LRA (loudness range) instrument. A
special tool for displaying the various
loudness values over a certain time is
the Loudness Chart from RTW.
No matter the project, the Real Time
Analyzer from RTW's TouchMonitor
series will provide accurate frequency
distribution in an easy-to-read display
format. These tools allow broadcasters to worry less about audio metering
and spend more time creating programming content for the masses.

Benro ProAngel Ultra-Lightweight
Support
B

enro has announced its ProAngel
range, an ultra-lightweight and
compact family of travel tripods and
monopods for photographers on the
go.
Ideal for nearly any camera from
smartphones (Series 0 tripod,) and
mirror-less cameras (Series 1 & 2
tripods), to full frame DSLRs (Series
3 & 4 tripods), ProAngel tripods
are portable enough to fit inside
most small and medium sized bags.
Advanced single leg
locking mechanism

Two-section
telescoping
centre column

With their reverse folding legs and
revolutionary compact leg lock design,
ProAngel is foraging into a new "bring
everywhere" category of travel tripod.
Utilising an advanced single-leg
locking mechanism, all the tripod's
leg sections open with a single twist.
This makes ProAngel lighter and
decreases set up time considerably
when compared to traditional
tripods. Height can be set to
any position and secure locking
only requires a simple half-turn.
In addition, one leg includes a
silicone rubber hand-grip to
provide comfort and a firm grip
during use.
The
two-section
telescoping
centre

ProAngel range is ultralightweight and compact

column provides additional height
when needed and has a standard 3/8"16 thread to attach a photo tripod
head.
Available in kits with a reliable B1
Ballhead, ProAngel is also offered to
photographers in unkitted tripod and
monopod options. For transportation
and storage, every ProAngel includes
a protective bag with a carrying strap.
A 3/8"-16 accessory mount is

natively built into the tripod's spider
making it easier for photographers to
attach accessories for jobs that need it.
Features a universal Arca Swiss
compatible quick release plate with
a pull and twist safety lock for secure
camera positioning.
A protective carrying case is included
to hold your tripod and accessories,
like quick release plates and accessory
arms.


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Table of Contents for the Digital Edition of In Broadcast - July 2017

Contents
In Broadcast - July 2017 - Intro
In Broadcast - July 2017 - Cover1
In Broadcast - July 2017 - Cover2
In Broadcast - July 2017 - Contents
In Broadcast - July 2017 - 4
In Broadcast - July 2017 - 5
In Broadcast - July 2017 - 6
In Broadcast - July 2017 - 7
In Broadcast - July 2017 - 8
In Broadcast - July 2017 - 9
In Broadcast - July 2017 - 10
In Broadcast - July 2017 - 11
In Broadcast - July 2017 - 12
In Broadcast - July 2017 - 13
In Broadcast - July 2017 - 14
In Broadcast - July 2017 - 15
In Broadcast - July 2017 - 16
In Broadcast - July 2017 - 17
In Broadcast - July 2017 - 18
In Broadcast - July 2017 - 19
In Broadcast - July 2017 - 20
In Broadcast - July 2017 - 21
In Broadcast - July 2017 - 22
In Broadcast - July 2017 - 23
In Broadcast - July 2017 - 24
In Broadcast - July 2017 - 25
In Broadcast - July 2017 - 26
In Broadcast - July 2017 - 27
In Broadcast - July 2017 - 28
In Broadcast - July 2017 - 29
In Broadcast - July 2017 - 30
In Broadcast - July 2017 - 31
In Broadcast - July 2017 - 32
In Broadcast - July 2017 - 33
In Broadcast - July 2017 - 34
In Broadcast - July 2017 - 35
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In Broadcast - July 2017 - 63
In Broadcast - July 2017 - 64
In Broadcast - July 2017 - 65
In Broadcast - July 2017 - 66
In Broadcast - July 2017 - Cover3
In Broadcast - July 2017 - Cover4
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