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I am proud of this site, but I can't cover everything happening the DSP world. Here are some of the other great DSP sites on the web. Let me know if you have a favorite that didn't make it onto the list!
Blogs
Krishna Pillai has a terrific blog on DSP theory. You can find also find great blogs by a variety of authors at DSPRelated
Andres Kwasinski has an academically-focused blog, while dsignalp takes a look at events in India.
Discussion groups
The comp.dsp newsgroup newsgroup is a good place to go to get answers to technical questions. DSPRelated also hosts a number of discussion groups on DSP topics. It also offers information on DSP books and job openings, among other things.
General information
The dspGuru site offers open-source DSP software, FAQs on DSP topics, algorithmic and design tricks, and much more.
Complex2real has a collection of tutorials on various topics in analog and digital communications. You can find free DSP tutorials at
Bores Signal processing.
BDTI offers a variety of free information. The pages I find most useful are:
DSPStore offers a database of products targeting signal processing applications. It's a good way to find everything from algorithms to boards. The site also offers a library of papers as well as a monthly newsletter.
There is a ton of information on eg3's DSP page. You can find everything from free source code to newsgroups to book listings.
You can find Java-based DSP tutorials at dsptutor and at the Adaptive Digital Signal Processing JAVA Teaching Tool.
The Programmable Logic DesignLine and Mobile Handset DesignLine often touch on DSP topics. And of course there is always Wikipedia.
Audio and video
musicdsp.org is a great resource for audio software such as filters and wave shapers. You can download source code from the site.
Jonah Probell runs the impressive VideoBits site. This is a must-visit site if you are working on digital video.
Articles on audio and video applications are also available on the Audio DesignLine and Video/Imaging DesignLine.
Online books
Analog Devices offers a free online DSP book, Digital Signal Processing 101. You can also read The Scientist & Engineer's Guide to Digital Signal Processing for free online. Both books are a few years old, but they are great ways to learn the basics of DSP.
Introduction to Statistical Signal Processing is a nicely done, up-to-date textbook.
For even more free books, check out this page.
You can't get full books for free, but Newnes allows you to access selected book chapters for free.
Research and development
Both Arizona State's Signal Processing and Coding Lab and Cambridge's Signal Processing and Communications Laboratory offer downloadable papers.
The IEEE Signal Processing Society offers a range of resources. You can subscribe to various magazines and newsletters, learn about upcoming events, and more.
You can find additional information about signal processing research and development in the Signal Processing Information Base. The site has information on technology providers, conferences, journals and bibliographies, and more.
Market research
Forward Concepts is the leading source for analysis of trends in DSP hardware. If you want to know what the hardware trends are, this is the best place to start.
The Linley Group has a lot of great free info on processors. They recently expanded their coverage to include consumer electronics and handsets.
If you want to know about trends in the end applications, check out Gartner Dataquest. Gartner Dataquest researches many DSP end markets, producing forecasts and other studies.
Multimedia Intelligence covers video applications.
iSuppli researches the electronic supply chain. Go to them for component pricing, inventory forecasts, product teardowns, etc. iSuppli also researches many DSP end markets, producing forecasts and other studies.
Conferences
The Embedded Systems Conferences, which are held around the world, are good places to learn about technology and meet vendors.
The TI Developer Conference is held in locations around the world. It's a great place learn and network. The same goes for the Freescale Technology Forum, which is also held in locations worldwide.
NIWeek also covers many DSP-related topics, such as wireless communications and vision. The ARM Developers' Conference mostly covers general-purpose computing, but it also covers a few DSP topics.
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