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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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Update on Think DSP, and an explanation of the missing fundamental effect   [18 Articles]
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Posted by AllenDowney in Comp.DSP on Jan 27 2015
Last week I posted blog article on Chapter 4 of Think DSP, which is about noise: http://thinkdsp.blogspot.com/2015/01/think-dsp-chapter-4-noise.html The article includes this... Update on Think DSP, and an explanation of the missing fundamental effect

Speech proceesing of Stereo Vs Mono sound?   [6 Articles]
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Posted by in Comp.DSP on Jan 26 2015
When speech files are given and turned out that some are stereo, am I correct to assume that the two channels are identical ... hence it is sufficient to just to process one channe... Speech proceesing of Stereo Vs Mono sound?

Please vote for my 3 Feature Requests in the Adobe Audition Forum   [2 Articles]
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Posted by Ramon F Herrera in Comp.DSP on Jan 25 2015
========================================== "Does Audition perform subtraction of two signals/channels?" https://forums.adobe.com/thread/1689758 =============================... Please vote for my 3 Feature Requests in the Adobe Audition Forum

Interpolating via a "smoothness" criterion.   [2 Articles]
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Posted by in Comp.DSP on Jan 25 2015
A while back I was faced with the problem of interpolating a curve, which I wanted to do in such a way as to minimize the kinks. This leads directly to an optimization problem for ... Interpolating via a

Classic FM Demodulation, using Matlab   [12 Articles]
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Posted by all4dsp in Comp.DSP on Jan 24 2015
I've got a real voltage versus time waveform (e.g. xr) of a carrier frequency that is FM modulated. I need to see the modulation waveform to determine its peak-to-peak amplitude. W... Classic FM Demodulation, using Matlab

How can I measure/characterize the color of my noise?   [5 Articles]
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Posted by Ramon F Herrera in Comp.DSP on Jan 24 2015
This is a multi-part message in MIME format. --------------030208020708090301040807 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit I... How can I measure/characterize the color of my noise?

What if the downsampling factor is not an integer?   [7 Articles]
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Posted by DigitalGeek in Comp.DSP on Jan 24 2015
I have developed a function which down samples an input signal.Say I have an input signal with a sampling rate of 512 samples/sec and would like to down sample it 128 samples/sec, ... What if the downsampling factor is not an integer?

Upconversion of digital signal   [14 Articles]
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Posted by steve_0 in Comp.DSP on Jan 23 2015
Hey, I am just working a problem regarding digital upconversion and I have encountered a problem that is probably very easy to solve Asssume I have a signal with a bandwidth... Upconversion of digital signal

Speech audio file format, processing, archives and audio file reading codes/libraries   [2 Articles]
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Posted by in Comp.DSP on Jan 21 2015
What is the current trend in using the audio file format ... aiff, mp3, wav ... ? What are the commercial speech recognition systems like Nuance or Google API .... use? Are t... Speech audio file format, processing, archives and audio file reading codes/libraries

Applying a custom filter to an FFT for IQ imbalance   [3 Articles]
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Posted by tomb18 in Comp.DSP on Jan 20 2015
think I am missing something here and I do not quite understand why. Background: I am collecting quadrature signals from a software defined radio. There are two signals, the I, an... Applying a custom filter to an FFT for IQ imbalance
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