IMEC demonstrates multimedia decoding on reconfigurable processor with record power efficiency
The processor was developed to support multi-format MPEG-2, MPEG-4 and H.264/AVC video decoding at resolutions ranging from QVGA up to D1. Its functionality is demonstrated for 30 frames per second H.264/AVC video decoding at CIF resolution by means of an FPGA (field-programmable gate array) implementation. To decode CIF resolution video in real time, the multimedia ADRES processor is only used for 1/6 of its total capacity (50MHz), resulting in a simulated power consumption of around 17mW for an ASIC implementation. The result proves the high performance efficiency of ADRES requiring only one single ADRES processor for handling 30fps H264/AVC video decoding at for example VGA (50mW, 150MHz) and D1 (68mW, 205MHz) resolutions.
ADRES, developed in the context of IMEC’s multi-mode multimedia (M4) program, is a new type of power-efficient, flexible computer architecture template designed to cope with the challenges presented by multimedia and wireless baseband processing for future mobile terminals. For each application domain, a specific ADRES instance is generated from a generic architecture template and is customized to optimally support the required computation at minimal power. One of its unique points is that it combines state-of-the-art power efficiency with programmability in a high level programming language (C) for a complete application, which is of primary importance for short time-to-market.
Current research focuses on the application of the ADRES processor in a multi-processor platform for multi-format video decoding and encoding up to HDTV resolution H.264/AVC.
"With this demonstrator, we achieved a very important milestone in our multi-mode multimedia program. It shows that the ADRES architectural template as well as the corresponding compiler are sufficiently stable and operational for transfer to support industrial product development;" said Rudy Lauwereins, Vice President Design Technology for Integrated Information and Communication Technology at IMEC.
This result was achieved in collaboration with IMEC’s M4 partners Samsung and Freescale and with the support of Barco Silex, Barco’s center of competence for micro-electronic design.
IMEC is heading the consortium that runs the Europractice IC Service. IMEC is a world-leading independent research center in nanoelectronics and nanotechnology. Its research focuses on the next generations of chips and systems, and on the enabling technologies for ambient intelligence. IMEC’s research bridges the gap between fundamental research at universities and technology development in industry. Its unique balance of processing and system know-how, intellectual property portfolio, state-of-the-art infrastructure and its strong network of companies, universities and research institutes worldwide position IMEC as a key partner for shaping technologies for future systems. As an expansion of its wireless research, IMEC has created a legal entity in the Netherlands. Stichting IMEC Nederland runs activities at the Holst Centre, an independent R&D institute that develops generic technologies and technology platforms for autonomous wireless transducer solutions and systems-in-foil. IMEC is headquartered in Leuven, Belgium, and has representatives in the US, China and Japan. Its staff of more than 1450 people includes more than 500 industrial residents and guest researchers. In 2005, its revenue was EUR 197 million. Further information on IMEC can be found on www.imec.be .
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