Product category:
Embedded Software and Operating Systems
News Release from: RadioScape
Edited by the Electronicstalk Editorial
Team on 08 September 2005
Mobile multimedia features at IBC
RadioScape will be showing its new Enhanced Packet Mode (EPM) technology for transmitting live multimedia services to mobile devices at IBC 2005 (Stand 353 in Hall 8).
RadioScape will be showing its new Enhanced Packet Mode (EPM) technology for transmitting live multimedia services to mobile devices at IBC 2005 (Stand 353 in Hall 8) The technology is similar to Digital Multimedia Broadcasting (DMB) in that it is based on Digital Audio Broadcasting (DAB) with additional forward error correction and interleaving
This article was originally published on Electronicstalk on 12 Feb 2001 at 8.00am (UK)
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It can be combined packet data services such as UDP/IP tunnelling to ensure high quality, robust transmission of video on the move and other DAB data services such as multimedia object transfer (MOT) to deliver broadcast websites and electronic programme guides (EPG).
The first commercial deployment of EPM technology is as the heart of the recently launched BT Livetime trial service in the UK, which uses the latest version of RadioScape's IP Gateway.
This allows for the removal of UDP/IP headers to maximise bandwidth and is RTP-aware to ensure that there is no packet loss from the data source - essential in commercial services.
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EPM differs from DMB in that it is better for circumstances where the delivery of data is bursty or the datarate of the streams is relatively low.
RadioScape is already one of the leading providers of DMB broadcast equipment with systems already installed in China, Korea, and Europe, and looks set to be at the forefront of EPM enabled systems.
"By utilising DAB for the BT Livetime service", said Chris Hutchings, Director Ventures, BT Wholesale, "we believe that we can gain first mover advantage in the UK market for live TV to mobile services".
"DAB is established in the UK whereas DVB-H will not have available spectrum until after analogue switch off".
"This creates an opportunity that BT Livetime is seeking to exploit".
"Further, the BT Livetime service also benefits from the flexibility of IP so that additional services can be added to increase the value of the proposition".
"Importantly, BT Livetime is a fully integrated solution which has been deliberately designed to be transmission technology agnostic to allow it to change with and adapt to the emerging technological picture over the coming years".
"The UK is the latest country to be trialling mobile multimedia technology", said Nick Banks, RadioScape's Broadcast Infrastructure Manager.
"Our flexible software defined radio architecture allows us to provide support for Enhanced Packet Mode in both our multiplexer equipment and our field and monitoring receivers, allowing customers to trial this technology in live networks".
"Mobile multimedia content delivery is clearly going to happen but the delivery technology varies between countries - fortunately, our support for both EPM and DMB allows the broadcaster to make the choice".
The WorldDAB Forum recently endorsed DMB, which has also been approved by the European Telecommunications Standards Institute (ETSI), and is currently in the process of ratifying the EPM standard.
"Broadcasting television-like services to handheld devices is a rapidly evolving area of technology and it is clear that minor variations are needed to cope with local conditions, spectrum availability etc", explained Annika Nyberg, President of the WorldDAB Forum.
"WorldDAB has therefore endorsed two DAB-based applications to allow broadcasters regional flexibility in delivering multimedia to mobile devices".
"The key is that they are both DAB applications and DAB is a proven, robust technology for delivering high quality signals on the move with spectrum already available".
"This is why so many countries are currently conducting trials and tests to integrate video and multimedia services on existing DAB networks using these applications".
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