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DSP Discussion Groups & Forums

From here, you can access several active DSP related Discussion Groups & Forums that are meant to facilitate the exchange of information between DSP engineers and DSP researchers. You can subscribe to one or several discussion groups with confidence, as all groups are moderated and you can unsubscribe at any moment very easily.

Comp.DSP | Analog Devices DSPs | Audio Signal Processing | TMS320C28x | TMS320C3x | TMS320C54x | TMS320C55x | TMS320C6x | Code-Composer | Echo Cancellation | TMS320C24x | DSP & FPGA | Image Signal Processing | Matlab DSP | Freescale DSPs | Speech Recognition | Speech Coding | TI Sitara, OMAP, Stellaris, etc. |

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representing discrete periodic signal using sinusoidal signals   [16 Articles]
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Posted by SBR123 in Comp.DSP on Jul 25 2014
Hello All, I am trying to understand the concept of representing a discrete periodic signal using sinusoidal signals. (without going into detailed math), If my understanding ... representing discrete periodic signal using sinusoidal signals

Fourier series of sign(cos(.)) in simulation and practical mixer simulation   [39 Articles]
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Posted by Peter Mairhofer in Comp.DSP on Jul 25 2014
Hi, I simulate (or want to simulate) an RF system. My simulation Nyquist rate is 50GHz, the signals are 8 Msamples long and there is a 5MHz transmission at 1GHz (using standar... Fourier series of sign(cos(.)) in simulation and practical mixer simulation

sound source localization using electret microphone array   [9 Articles]
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Posted by matar770 in Comp.DSP on Jul 23 2014
i want to use an electret microphone array to locate a sound sorce (actually its the direction of arrival) , im using Steered Response Power - Phase Transform (SRP-PHAT) algorithm... sound source localization using electret microphone array

dsk 6416 digitals I/O
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Posted by "ale...@gmail.com [c6x]" in TMS320C6x on Jul 22 2014
First of all hello. I'm new here. I need to use digital input and output. i have some questions. 1. I think my best option is, use the HPI, is it correct? 2.if I use HPI, what I... dsk 6416 digitals I/O

Problem Using Kiss FFT   [11 Articles]
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Posted by Javier Pajuelo in Comp.DSP on Jul 21 2014
I get different results using Kiss FFT and Octave/Matlab fft. Here's the input/output of my code: ========================================================xtmp[2][4] 0 1 2 ... Problem Using Kiss FFT

Nyquist and rectangular waveforms   [24 Articles]
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Posted by Bob Masta in Comp.DSP on Jul 21 2014
This is prompted by the discussion of aliasing in the thread "Higher upsampling with minimum phase downsampling produces more aliasing" by 'jungledmnc'. My question is based o... Nyquist and rectangular waveforms

Funny looking headset connector   [5 Articles]
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Posted by Mauritz Jameson in Comp.DSP on Jul 19 2014
Hi I have a headset which has a funny looking cable connector. I don't know what kind of connector this is, so maybe somebody in this group knows. Link to pictures: http://wi... Funny looking headset connector

BF527   [2 Articles]
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Posted by "ram...@yahoo.com [adsp]" in Analog Devices DSPs on Jul 18 2014
Hi I am new for BF527 ,how to memory 2Dimage transfer from DMA manager Posted by: r...@yahoo.com _____________________________________ ... BF527

Higher upsampling with minimum phase downsampling produces more aliasing   [21 Articles]
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Posted by jungledmnc in Comp.DSP on Jul 16 2014
Hi, I'm programming a sound generator, based on wavetables. I have 8192 point wavetable. I create several band-limited "subwavetables" by taking DFT, zeroing high octave(s) and ... Higher upsampling with minimum phase downsampling produces more aliasing

derivative (chain rule) in DFT?   [4 Articles]
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Posted by Peter Mairhofer in Comp.DSP on Jul 15 2014
Hi, I have a DTFT function Y(w) which is also a function of a: Y(w,a) (it's actually a sum with a as coefficient) Another function Yl(w) is the l-fold convolution of Y: Y... derivative (chain rule) in DFT?
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