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Other titles in the Embedded Technology series:
Embedded Media Processingby David J. Katz
Synopses & Reviews
In the past, embedded engineers needed to utilize a combination of traditional microcontrollers and DSPâ€™s (digital signal processors) in order to produce optimal designs for use in multimedia applications. However, this multiprocessor design technique is tough to implement, because it requires the engineer to write twice the code. Further, the designs resulting from such a marriage are limited because two processors cost more, take up more physical space, require more memory, and use up more power than just one would. And so a new kind of processor, the EMP (embedded media processor), was born! An embedded media processor combines the best aspects of a traditional microncontroller and a DSP for use in a multimedia product. As the demand grows for smaller, faster, multifunction, portable embedded products, such as video-enabled cellphones and pdaâ€™s that play music or games, EMPâ€™s become more popular. As a result, an increasing number of engineers need to migrate from using multiprocessor methods to usingEMPâ€™s in their designs. This book is the one-stop shop for the many engineers who need to understand what embedded media processors can do, and how to implement them.
â€¢ comprehensive subject coverage with emphasis on practical application
â€¢ essential assembly language code included throughout
â€¢ many real-world examples using Analogâ€™s popular Blackfin Processor architecture
This book provides information that engineers cannot get anywhere else. The discussion of EMPâ€™s is general enough to assure that engineers using any EMP, not just the Blackfin, will benefit from it. The bookâ€™s in-depth analysis will allow engineers to decrease product development times and increase robust design for applications in multimedia. For about $50, the engineer is equipped by the experts and empowered to succeed.
A key technology enabling fast-paced embedded media processing developments is the high-performance, low-power, small-footprint convergent processor, a specialized device that combines the real-time control of a traditional microcontroller with the signal processing power of a DSP. This practical guide is your one-stop shop for understanding how to implement this cutting-edge technology.
You will learn how to:
* Choose the proper processor for an application.
* Architect your system to avoid problems at the outset.
* Manage your data flows and memory accesses so that they line up properly
* Make smart-trade-offs in portable applications between power considerations and computational performance.
* Divide processing tasks across multiple cores.
* Program frameworks that optimize performance without needlessly increasing programming model complexity.
* Implement benchmarking techniques that will help you adapt a framework to best fit a target application, and much more!
Covering the entire spectrum of EMP-related design issues, from easy-to-understand explanations of basic architecture and direct memory access (DMA), to in-depth discussions of code optimization and power management, this practical book will be an invaluable aid to every engineer working with EMP, from the beginner to the seasoned expert.
* Comprehensive subject coverage with emphasis on practical application
* Essential assembly language code included throughout text and on CD-ROM
* Many real-world examples using Analog's popular Blackfin Processor architecture
About the Author
Rick Gentile joined ADI in 2000 as a Senior DSP Applications Engineer, and he currently leads the Processor Applications Group, which is responsible for Blackfin, SHARC and TigerSHARC processors. Prior to joining ADI, Rick was a Member of the Technical Staff at MIT Lincoln Laboratory, where he designed several signal processors used in a wide range of radar sensors. He has authored dozens of articles and presented at multiple technical conferences. He received a B.S. in 1987 from the University of Massachusetts at Amherst and an M.S. in 1994 from Northeastern University, both in Electrical and Computer Engineering.
Analog Devices, Inc., Norwood, MA, USA
Table of Contents
What is an Embedded Media Processor (EMP)?; Memory Structures; Direct Memory Access (DMA); Memory Partitioning; Important Factors in Audio Processing; Important Factors in Video Processing; Media Processing Frameworks; Dynamic Power Management; Application Examples.
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