audio interfacing
combined high-bandwidth video and Technologies audio processing is introduce a new graphical display
embedded audio/video TDM (time integrated into a range of Harris incorporating the ITU 1770/71
division multiplexing) single unit products, including the DownMix 5.1 to algorithms.
system. stereo unit and the MultiMerge 5.1 DTV Adding to what looks set to be a
Tim Thorsteinson, president of
Interfacing &
production system. bumper crop of interfacing products at
Harris Broadcast Communications,
monitoring
Axon is using DD+ in its Synapse IBC this year, Jünger Audio has a range
commented on the launch: "The new range, which was recently expanded of ESDI cards intended for satellite
were the
Platinum mux/demux router by the DDP14 and DDP84. These are digital re-broadcasting, able to control
completely redefines how a technological multi-stream DD+ encoders, with the loudness on all inputs. Also new are
broadcast audio infrastructure is
equivalents
DDP84 also featuring a Dolby E DSP and interface cards for the C8000
planned and constructed. The router's
of the hot
decoder. "The DDP14 and DDP84 are a Level Magic automated audio loudness
ability to process and route both
water boiler.
logical extension of our Synapse Dolby controller.
discrete and embedded audio all
Everyone
processing range," said Peter Schut, Jünger Audio's managing director,
within the same frame eliminates Axon's chief technology officer. "We Peter Pörs, said: "Our aim is to offer an
realised how
the need for racks of external were one of the first to add a Dolby E outstanding integrated workflow
equipment and enables broadcasters
important
decoder (DBD08) to a signal processing solution that incorporates signal
to save on space, troubleshooting
they were
range and we later added the Dolby E acquisition, monitoring, processing and
and maintenance, as well as long-
but no one
encoder (DBE08) and the Dolby Digital smart 5.1/2.0 fail over switching,
term overhead costs."
wanted to
encoder (DDE51). So when Dolby including programme metadata
Miranda Technologies also offers launched DD+ it was a no-brainer that management."
have much to
audio embedders and de-embedders, this should be added into Synapse." Broadcast engineers do not need
both SD and HD, in addition to audio do with them There's a huge amount of audio much convincing about the validity of
processors and mixers for SDI and
unless
passing around broadcast interfacing but there seems to be more
AES/EBU. Axon and Kramer Electronics
absolutely
infrastructures these days, making ambivalence over loudness monitoring,
may not be on the same scale as
necessary.
monitoring and metering of especially as the ITU guidelines allow
Miranda, Harris and Evertz in terms of
Today boiler
interchanging ever more critical. A the continued use of PPMs. But the
corporate size but both have a high company that has capitalised on this is number of units out in the market is
repair
profile in the glue market, producing DK Technologies, with products like the increasing in Europe, the US and Asia.
embedders, de-embedders and
insurance is
PT0760M combined audio/video CCTV in China recently installed a non-
processor/mixers.
seen as a
monitor in its portfolio. "With more Dolby version of TSL's AMU1-3G, which
A growing area of audio interfacing
good thing
digital products and digital TV pictures handles both AES/EBU and HD-SDI or
is transcoding, the conversion of one
and making
there is probably less requirement for SD-SDI. Earlier in the year Ascent Media
surround sound format to make it video measurement than before but in Singapore became the first customer
sure your
compatible with transmission carriers audio is getting more complicated and in the world to buy the TSL PAM1-3G8
and set-top boxes. There is also the audio there is a need to be able to see both multi-channel and Dolby Digital and
question of multiple formats, including
matches
on a screen on the same unit," said Dolby E monitor. A new version of this
stereo, being used in the same
whatever HD
director of sales and marketing, Richard product, the PAM2-3G16, is due for an
transmission stream.
frame format
Kelley. IBC launch.
The EBU laid out guidelines for
comes into a
During IBC 2009 DK will launch the Interfacing and monitoring were
transcoding in its HDTV Receiver PT0710 M HD/SD waveform monitor, once the technological equivalents of
broadcast
Requirements document, Tech 3333: described as the ‘little brother’ of the the hot water boiler. Everyone
Dolby Digital Plus (DD+) transcoded to
centre goes
760M. Kelley says that in the past realised how important they were but
Dolby Digital and HE-AAC (High
beyond
audio level and compression were the no one wanted to have much to do
Efficiency Advanced Audio Coding) to
common
priorities but to be wholly useful these with them unless absolutely
Dolby Digital or DTS. To meet these
sense.
days a monitoring interface has to necessary. Today boiler repair
demands Dolby launched the MS10 measure loudness as well. DK is insurance is seen as a good thing and
multistream decoder, handling both among the small group of making sure your audio matches
DD+ and Dolby Pulse. Among the manufacturers pushing the concept of whatever HD frame format comes
manufacturers that have adopted the specialised loudness monitors and into a broadcast centre goes beyond
DTS transcoder is Harris. DTS Neural during the Amsterdam convention will common sense.
12 l ibe l september/october 2009 l
www.ibeweb.com
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