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A Quadrature Signals Tutorial: Complex, But Not Complicated

Understanding the 'Phasing Method' of Single Sideband Demodulation

Complex Digital Signal Processing in Telecommunications

Introduction to Sound Processing

C++ Tutorial

Introduction of C Programming for DSP Applications

Fixed-Point Arithmetic: An Introduction

Cascaded Integrator-Comb (CIC) Filter Introduction

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FFT Spectral Analysis Software

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Discussion Groups > Comp.DSP

Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.

There are 17688 threads in our archives.

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The threads with the newest articles are listed first.

Automatic (no user-parameters) envelope/peak follower [13 articles]

mavavilj - 2015-07-30 15:36:00
I'm looking for known algorithms that do envelope/peak following with no user-specified attack or release times. Specifically I'm interested in what kind of algorithms something like: http://i.sta...Automatic (no user-parameters) envelope/peak follower

In memoriam - Vladimir Vassilevsky [25 articles]

Rick Lyons - 2015-07-30 14:38:00
Hi, In the Russian culture it's traditional to formally remember a deceased family member, or friend, 40 days after the day of their passing. Today it's been 40 days since Vladimir Vassilev...In memoriam - Vladimir Vassilevsky

Thoughts on a 'Companion' FIR Filter Design [6 articles]

cweston - 2015-07-30 12:56:00
I have and interesting design that involves designing two filters that are very related. (I call them companion not to confuse the word with matched) Filter 1 is set by the system. That is H(jw_1) ...Thoughts on a 'Companion' FIR Filter Design

Fire Codes [16 articles]

Rob Doyle - 2015-07-29 22:37:00
I was studying the schematic of a 1970's era washing machine sized disk drive [1] wondering how it performed ECC. Everything was built out of simple SSI TTL circuitry. The disk controller had a 1...Fire Codes

I/Q modulation and phase noise sensitivity [5 articles]

Peter Mairhofer - 2015-07-29 18:24:00
Hi, I am observing something that is very counter-intuitive to me: I/Q modulation is very susceptible to phase noise? In an experiment I plot "phase noise" vs. "SNR" and see a constant slope o...I/Q modulation and phase noise sensitivity

MATLAB - Digital Filtering in Second Order Sections - Scale Values [8 articles]

Lightbulb85 - 2015-07-28 07:17:00
Hi Everyone, I am struggling to manually apply the scale values to a digital filter I designed in MATLAB using fdatool. I generated the filter (IIR band stop filter consisting of four second order...MATLAB - Digital Filtering in Second Order Sections - Scale Values

LFCC (Linear Frequency Cepstral Coefficients)

Biruntha Gnaneswaran - 2015-07-28 01:15:00
It is used to extract the features in audio signal. It has steps Signal Nor= malization, Compute FFT power spectrum, Compute autoregressive model analys= is, Convert LPC to cepstra , Apply DCT and C...LFCC (Linear Frequency Cepstral Coefficients)

Need help in determining entropy of four coins - skewed distribution [9 articles]

2015-07-27 13:58:00
All, I used to be a student of channel capacity years back.=20 Now I am trying to teach concepts of information, entropy and channel capac= ity to my high-school kid for a school math project. I...Need help in determining entropy of four coins - skewed distribution

BPSK one-bit [17 articles]

2015-07-25 19:36:00
Dear group, I would like to implement a BPSK demodulator with one-bit signal processing. I will use an Hard limiting IF and 1-bit A/D converter. It is for coherent RADAR, so I have the clk. I can ...BPSK one-bit

Expected time average of a stochastic process

Peter Mairhofer - 2015-07-25 07:20:00
Hi, This is a small followup from "Model for jitter on oscillator for downconversion" but since I think I am on the right track now, I have a specific question here. Suppose I have the followi...Expected time average of a stochastic process
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