In Broadcast - January 2022 - 27

www.inbroadcast.com | Vol: 12 - Issue 1 | January 2022
27
InTech
Bridge Technologies adds new
functionalities to its VB440
B
ridge Technologies, a leading
provider of end-to-end
monitoring solutions in the broadcast
field, have significantly expanded the
capabilities of their production-focused
monitoring probe - the VB440, adding
a number of features which enhance
the flexibility and functionality of
the technology in settings which
include core broadcasting networks,
production studios, master control
centres and outside broadcast
vehicles and venues. Along with the
recently-announced accommodation
of the JPEG XS compression standard,
these enhancements include Closed
Caption support and Packet Capture
functionality, and will ship with all
future versions of the VB440, as well
as being accessible online to existing
customers.
Operating to deliver ultra-low
latency analytics of compressed
and uncompressed data in a range
of production environments, the
VB440 represents an award-winning
monitoring solution for both
IP and SDI-encapsulated
production environments
across ST2110 and ST2022-6
defined high-bitrate broadcast
media traffic. The net result
is the ability to deliver deep
insight
to creatives
and
technicians alike, facilitating
remote/distributed access to creative
tasks (such as those undertaken by
camera painters and audio engineers)
and ensuring error-free delivery of
live and recorded broadcast, from any
remote location across the globe.
The new Packet Capture functionality
(PCAP) is a tool designed to help
those who are moving from SDI to
IP-based 2110 uncompressed data
streams - accommodating the fact that
whilst with SDI a recorder could be
used to capture each stream, ST2110
networks operate in a way where
each component exists separately, on
a network that includes other traffic.
PCAP
capability
thus
allows
users
to capture individual or collective
components of the ST2110 stream,
based on either time or packet limits,
on a fixed or rolling basis.
This ability to capture a single packet
as it crosses a specific point in the
network
allows
for
more
in-depth
identification of data and packet
loss, the troubleshooting of network
behaviours, diagnosis of congestion
issues and recognition of security
threats - all enhancing the already
intuitive and easy-to-interpret faultfinding
capabilities of the VB440.
The Closed Caption review function
has been introduced in order to aid
broadcasters in their commitment to
providing accessible productions
which meet the diverse needs
of audiences, including those
with hearing impairment. The
Closed Caption addition to the
VB440 will allow the display
of Closed Captions (CEA-608/
CEA-708) and Subtitles (OP47),
giving visualization of the
incoming ancillary data on the output
reference video, and further allowing
the user to review, control and correct
caption placement and characters.
Alongside displaying the captions an
additional
'debug-view'
functionality
provides a deeper insight with decoder
logs, encoding errors, field reversal
warnings, and a visualisation of the
grid itself.
The functionality supports all of
the most common incoming caption
types, and thus allows operators to
ensure that captions are correct before
handing off the signal, adding a new
layer of protection for the operator.
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