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[HCDX] VT COMMUNICATIONS LAUNCHES PIONEERING DRM 26MHZ SERVICE IN LONDON
VT COMMUNICATIONS LAUNCHES PIONEERING DRM 26MHZ SERVICE IN LONDON:
VT Communications continues to push the boundaries of digital radio
broadcasting by launching its dual-channel Digital Radio Mondiale (DRM)
transmission service from Crystal Palace in South East London into Greater
London.
Partnering with Deutsche Welle and UBC Classic Gold VT Communications can
now provide two discrete broadcast services over a single 20KHz
transmission band centred at 25.7 MHz. This is the first time the double
channel mode of DRM has been used for extensive field trials and further
enhances VT Communications digital offering.
The 26 MHz band is designated as an international broadcast band, but is
under used and could also be used to provide local "FM" type coverage.
Demand for both FM (88-108 MHz) and DAB (band III) spectrum in the UK is
very high, and DRM could offer broadcasters access to additional spectrum
in addition revitalising existing MF and LF frequencies with enhanced audio
quality.
The ability of the 26 MHz band to provide local and digital radio coverage
adds to VT Communications existing regional and international DRM
capability. In 1999 VT Communications started regular "ITU compliant" DRM
tests from the Rampisham transmitter site in Dorset UK, to Europe. In 2003
a new high power MF transmitter was added to the portfolio, which now
transmits the BBC World Service in digital quality to the Benelux
countries. In March 2006, VT Communications announced a significant
investment in a new high power HF transmitter at its Woofferton
(Shropshire, UK) transmitter site. This will be operational by mid 2006.
VT Communications are also investing in a new broadcast centre designed to
distribute audio in a totally digital format from studio to listener,
including distribution of DRM. This will eliminate audio degradation caused
by repeated conversion between analogue and digital, a surprisingly common
problem with digital transmissions. The broadcast centre will also be able
to format & distribute audio via a number of different routes, including
archiving, podcasting, content repurposing and audio on demand. The 26 MHz
service in London will showcase the broadcast centre technology, as data
channels, Electronic programme guides (EPG) and a 3rd audio service are all
scheduled for test during the course of 2006.
"VT Communications ongoing investment in DRM 26MHz and HF capability is
part of our new Global Media Network" says Bryan Coombes, General Manager
Broadcast at VT Communications. "This underlines our commitment to provide
a digital service to satisfy all of our customers' broadcasting
requirements, from local through to truly international coverage".
( http://www.vtplc.com/newsandevents/newsdetails.asp?itemID=644 Via
http://www.kimandrewelliott.com )
Best regards,
MD. AZIZUL ALAM AL-AMIN
RAJSHAHI, BANGLADESH
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