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Articles from
December 2005
| Jeff Bier’s Impulse Response – When Scaling Gets Squirrelly |
By Jeff Bier, 12/12/2005
It’s so tempting. You need to figure out how much processing power you’ll require to implement a particular video compression algorithm, and there, out on the Web, is the data you need—but for a slightly different scenario. You tell yourself, “Well, I don't have the exact data I need, so I'll just multiply the data I do have by a scaling factor that will account for the differences in the workloads.” But that’s where things can go badly wrong.
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| TI Launches First "DaVinci" Video Processors |
By BDTI, 12/12/2005
Last week TI unveiled its first “DaVinci”-branded processors, the TMS320DM6443 and the TMS320DM6446. These processors target home entertainment, surveillance, and other video applications. TI also recently announced the OMAP2430 and OMAPV2230, which target smart phones and PDAs. Although the OMAP chips do not use the DaVinci brand name, they use the same basic architecture as the DaVinci processors.
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| Analog Devices Introduces $5 Floating-Point DSP |
By BDTI, 12/12/2005
This month Analog Devices introduced the ADSP-21375, the newest member of its SHARC floating-point DSP family. The new chip will operate at 266 MHz and be priced at $5 in high volumes ($7.95 in 10K quantities). It will target consumer audio applications and cost-sensitive application areas traditionally dominated by low cost fixed-point DSPs, including industrial, automotive, medical and instrumentation applications.
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| Creating Top-Notch Tools for Signal Processing |
By BDTI, 12/12/2005
Signal processing is becoming important in an increasingly broad range
of embedded systems. As signal processing workloads become more
widespread, these workloads are increasingly assigned to embedded
processors that were not designed with signal processing in mind.
Because these processors were not designed for signal processing tasks,
the processors’ software development tools often lack critical features needed for signal processing software development.
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