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Python scipy.signal IIR Filtering: An Example
posted by Christopher Felton
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A Quadrature Signals Tutorial: Complex, But Not Complicated
posted by Rick Lyons
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Polyphase Filters and Filterbanks
posted by Kyle Kastner
Comments (8) |

DSPRelated Finally on Twitter!
posted by Stephane Boucher
Comments (2) |

Noise shaping
posted by Markus Nentwig
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Frequency-Domain Periodicity and the Discrete Fourier Transform
posted by Eric Jacobsen
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Engineering the Statistics
posted by Sami Al Dalahmah
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Implementing a full-duplex UART using the TMS320VC33 serial port
posted by Manuel Herrera
Comments (2) |

How to build a test environment for audio DSP code in C using GNU/Linux
posted by Gabriel Rivas
Comments (2) |

Discrete Wavelet Transform Filter Bank Implementation (part 2)
posted by David Valencia
Comments (7) |

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Most Popular DSP Code Snippets

Saving a Matlab figure to file using command-line
by |
Once again, this is another example that Matlab does weird things with its figure window. If y...

Discrete Haar Wavelet Transform
by Duraisamy Sundararajan |
See article at http://www.dsprelated.com/showabstract/3639.php for the theory....

Computing FFT Twiddle Factors
by Rick Lyons |
This text, figures, and code snippet are also available in downloadable PDF format Typical applic...

Echo Filter
by Miguel De Jesus |
An Audio Echo Filter is an FIR filter that repeats a sound after a given Delay attenuating the repet...

Generate ideal QPSK..64QAM symbol error rates (reference result)
by Markus Nentwig |
Calculates the symbol error rate of QPSK/16QAM/64QAM/256QAM/1024QAM modulation for additive white Ga...

Basic Kalman filter
by Sylvain B |
This is the most basic implementation of a Kalman filter. For measured position, velocity and accel...

Flanger Audio Effect
by Gabriel Rivas |
This is an implementation of the flanger effect using my previous entry that is a fractional delay...

Zero Crossing Counter
by |
In some DSP applications, it can be very helpful to know how many times your signal has crossed the ...

Adding a Controlled Amount of Noise to a Noise-Free Signal
by Rick Lyons |
The following gives two snippets of Matlab code. The first snippet is a function whose inputs are: (...

GSM (GMSK) power spectrum equation
by Markus Nentwig |
A simple, empirical model for the power spectrum shape of a GMSK-modulated GSM signal, generated acc...

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DSP Discussion Groups

Minimum phase filter using real cepstrum
by jungledmnc in Comp.DSP on May 24 2013
Hi, I'm trying to convert a mixed-phase FIR into minimum phase. From quite some googling I figure...

Video mixing solution for H.264 streams
by sandy80 in Comp.DSP on May 24 2013
Hello i need to develop a video mixing solution for h.264 streams.I need a pointer about how t...

Help with IIIR filters
by FilterDan in Comp.DSP on May 24 2013
I have a problem understanding IIR filter stability problems. The problem is this; I can't find any ...

A purely theoretical question
by Michael P. in Comp.DSP on May 24 2013
Hi group I have a purely theoretical question. When doing a FFT of an unwindowed pure sine sig...

Interpolation of a Discrete Periodic Signal
by dszabo in Comp.DSP on May 23 2013
So, this was an ongoing discussion in another thread, and it's been going on long enough that it pro...

The Delay of Minimum Phase FIR filter
by wyonghao in Comp.DSP on May 21 2013
Dear all, I would like to ask is there any way to have analytical estimation value of delay of mini...

integer multiplication
by robert bristow-johnson in Comp.DSP on May 21 2013
(cross posted to comp.dsp and comp.lang.c.) are compilers now-a-days smart enough to multiply t...

Volume Control of a PCM file
by deer...@tataelxsi.co.in in Audio Signal Processing on May 21 2013
Hi, I am planning to write a code for volume control. My input and output are .pcm files. I wi...

I love my job
by Tim Wescott in Comp.DSP on May 20 2013
I sat down today to get in a little bit of work over the weekend on a communications project I'm d...

File System Library Problem
by B S in TMS320C6x on May 18 2013
Hi, I have been trying to use Fat16/32 File System Library by third party given at the following ...

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