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posted in December 2002
Efficient Algorithms for MPEG-4 Video Decoding
Design How-To  
12/17/2002   Post a comment
Efficient, programmable video decoding is critical for emerging mobile devices. J. Geoffrey Chase and Christopher Pretty from the University of Canterbury, New Zealand describe efficient algorithms for MPEG-4 video decoding and quantify the impact of accelerating co-processors for creating fully programmable MPEG-4 decoding solutions.
Estimating MOSFET switching losses means higher performance buck converters
News & Analysis  
12/11/2002   2 comments
Lower voltages, higher current, and faster load slew rate pose a constant challenge for power supply designers. New-generation MOSFETs, high performance capacitors and new multiphase structures pose new challenges, writes this well-versed engineer.* Distributed power architectures - like Point of Load (POL) designs - will benefit from an understanding of MOSFET switching losses, he points out.
Tandem RF software programs streamline the design of power amplifiers
News & Analysis  
12/10/2002   Post a comment
Harmonic-balance simulators - used in tandem with synthesis software that builds impedance matching networks -- can speed the design of RF power amplifiers. Engineers at Aerial Facilities in the UK show the steps they took to build a tunable 23-dB LDMOS amplifier with a center frequency in the 400-MHz range.
Wireless multimedia: questions, few answers
News & Analysis  
12/2/2002   Post a comment
Many in the communications sector see networked multimedia as the killer app that will jump-start the market.
Wireless home multimedia networks require multiple design strategies
News & Analysis  
12/2/2002   Post a comment
Implementing bandwidth-hungry and processing-intensive applications in a wireless network presents numerous challenges to design engineers.
Programming guide manages neworked digital TV
News & Analysis  
12/2/2002   Post a comment
As digital television moves into the mainstream, the design issues that have been tackled during its evolution could well provide a road map for developers of many networked multimedia applications.
Memory cards support portable video
News & Analysis  
12/2/2002   Post a comment
Wireless multimedia relies on complex video software/server technology, which in turn relies on complex processing to generate streaming video and audio.


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