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RSS FeedOn the History of the DFT (fft) Algorithms
In dsp and many other areas of science and engineering, the Fourier transform is an indispensable tool. One of the major reasons for this is the availability of regular and fast algorithms for approxi...
posted by Duraisamy Sundararajan on Nov 11 2009 Comments (17) |
Deesspee #5
Deesspee #5 - Computers ... 
posted by Peter Kootsookos on Sep 16 2009 under Basics Comments (1) |
Using Mason's Rule to Analyze DSP Networks
There have been times when I wanted to determine the z-domain transfer function of some discrete network, but my algebra skills failed me. Some time ago I learned Mason's Rule, which helped me sol... 
posted by Rick Lyons on Aug 31 2009 under Tips and Tricks Comments (5) |
DSPRelated faster than ever!
if you are visiting DSPRelated.com on a regular basis, you should observe that the site loads significantly faster in your browser than it used to, especially if you are in Europe or in Asia. Th... 
posted by Stephane Boucher on Mar 2 2009 under DSPRelated Comments (4) |
The Nature of Circles
What do you mean? When calculating the mean of a list of numbers, the obvious approach is to sum them and divide by how many there are. Suppose I give you a list of two numbers: 0 359 What i...
posted by Peter Kootsookos on Feb 21 2009 under Academia / Research | Tips and Tricks Comments (3) |
Simultaneously Computing a Forward FFT and an Inverse FFT Using a Single FFT
Most of us are familiar with the processes of using a single N-point complex FFT to: (1) perform a 2N-point FFT on real data, and (2) perform two independent N-point FFTs on real data [1–5]. I...
posted by Rick Lyons on Jan 13 2009 under Tips and Tricks Comments (5) |
Multiplierless Exponential Averaging
This blog discusses an interesting approach to exponential averaging. To begin my story, a traditional exponential averager (also called a "leaky integrator"), shown in Figure 1(a), is commonly used...
posted by Rick Lyons on Dec 5 2008 under Tips and Tricks Comments (2) |
Free DSP Books on the Internet - Part Deux
Since Stephane Boucher posted my "Free DSP Books on the Internet" blog here in February 2008, I have learned of additional books on the Internet that are related to signal processing. I list those ...
posted by Rick Lyons on Dec 4 2008 under DSP on the Web Comments (1) |
Computing the Group Delay of a Filter
I just learned a new method (new to me at least) for computing the group delay of digital filters. In the event this process turns out to be interesting to my readers, this blog describes the method...
posted by Rick Lyons on Nov 19 2008 under Tips and Tricks Comments (8) |
Music/Audio Signal Processing
Greetings,This is my blog from the point of view of a music/audio DSP research engineer / educator. It is informal and largely nontechnical because nearly everything I have to say about signal proces... 
posted by Julius Orion Smith III on Sep 5 2008 under Audio DSP | Academia / Research Comments (6) |