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Discussion Groups

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 |

Comp.DSP

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

IIR design
by munib sent on 12:12 16-05-08
Hi, I have to design a 6th order digital IIR bandpass filter, iam only given pa... 

Modulation scheme with multiple phases and a two amplitudes?
by Green Xenon [Radium] sent on 10:42 16-05-08
Hi: QAM uses two carrier waves that are 90-degrees out of phases with each ... 

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Analog Devices DSPs  |  1826 members

Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

Return from interruption in C Code
Hello How can I return from an interruption working in C Code? In other words... Analog Devices DSPs

Linkports
Hello I'm new using VisualDSP and Tigersharcs TS101. I've to implement with L... Analog Devices DSPs

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Audio Signal Processing  |  1810 members

Technical discussions related to Audio Signal Processing (digital effects, acoustics, noise reduction, musical signal processing, etc).

Audio Equalizer
Hi I want build a multiband ( 10 band) 2-channel audio equalizer with FIR or ... Audio Signal Processing

Noise Cancellation using Auto and Cross-Correlation
Hello, I'm trying to create an FIR filter to cancel some noise in an audio sa... Audio Signal Processing

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TMS320C28x  |  272 members

Technical discussions about the TI C28x DSPs (including the C2810, C2811, C2812, F2801, F2806, F2808, F2810,, F2811, F2812, R2811 and R2812).

Creating PWM
Dear Friends I am a bit new to DSPs and I am trying to create PWM using TMS320F... TMS320C28x

synchronizing ADC and PWM in TMS320f2812
Hi, I am using a ezdsp 2812 for some control purpose. I want to have an ISR ti... TMS320C28x

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TMS320C3x  |  580 members

Technical discussions about the TI C3x DSPs (including the C31, C32 and C33 DSPs).

external memory address range for PAGE 0
Hi All, I have assigned page0 as the chip enable for an external flash. But ... TMS320C3x

TI TMS320 self check utility c3xcheck.asm help
Hello... I am having an issue with a TMS320C33 and I would appreciate some guid... TMS320C3x

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TMS320C54x  |  1549 members

Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).

how to access a continue io space in tms320vc5402?
i have a 2k x 8bit dpram in 5402's io space,now my problem is how to access the... TMS320C54x

Running programs with emulator and bootloader.
Its a very simple question: if a program runs very well with the emulator (XDS5... TMS320C54x

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TMS320C55x  |  949 members

Technical discussions about the TI C55x DSPs (including the c5501, c5502, c5503, c5507, c5509, c5510 and OMAP5910).

C5502 UART
Hi, I am new to the DSS C55x series from TI and I am trying to interface the... TMS320C55x

Problem with 5509A address space and CE generation
Hi , I am working with TMS320C5509A emif and facing a similar problem. Whe... TMS320C55x

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TMS320C6x  |  2974 members

Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).

regarding adc loop back program
am running a simple loop program on C6713 processor.Am storing the adc values i... TMS320C6x

C672X unable to Run
Hi I have my code built and loaded to my C672X board. However, when I hit RUN... TMS320C6x

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Code-Composer  |  1638 members

Technical discussions about Code Composer Studio.

Altering "Rulph Chassaing's" cfftr2_dit(); function to achieve a 2048 point FFT
Has anyone tried to locate the data (signal, twiddle-factor) in the right databa... Code-Composer

fopen() not functioning with emulator.
I am working on a test application where I am reading/writing files for processi... Code-Composer

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Echo Cancellation  |  856 members

Technical discussions about echo cancellation and adaptive filtering in general.

Echo cancellation for VoIP
Hello! Some of the authors say that to cope with echo in VoIP-enabled network, ... Echo Cancellation

Choosing the Right Processor !
-- hi guys !! Here is the application : Implementation of Acoustic... Echo Cancellation

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TMS320C24x  |  61 members

Technical discussions about the TI c24x DSPs (including the C2401A, C2402A, C2403A, C2406A, F2401, F2402, F2403, F2406, and F2407).

Assembly compilation procedure:
Hi all, Iam new to assembly programming, i have some doubts regard... TMS320C24x

TMS320LF2407A Flash programming procedure
Hi friends, I want to use on chip flash of TMS320LF2407A DSC. I wa... TMS320C24x

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DSP & FPGA  |  155 members

For engineers implementing DSP functions on FPGAs. This is a NEW Group that has just been created. It should take a few weeks before the group is big enough to become active. Please join!

High performance matrix multiplication hardware
Hi. I need to develop a hardware for hi-performance matrix-to-vector multiplic... DSP & FPGA

What is the secret of upsampling by 4???
Hello, During my readings in DSP for SDR applications using FPGA, I found an ... DSP & FPGA

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Image Signal Processing  |  1607 members

Technical Discussions related to Image Processing (image coding, compression, digital effects, mpeg, etc)

Real time video compression and wireless transmission
I'm a student doing a project involving real time video compression and wireless... Image Signal Processing

Binar File Header
Hi All, I want to read a binary video file (generated by MATLAB using Im... Image Signal Processing

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Matlab DSP  |  6649 members

Technical discussion about Matlab and issues related to Digital Signal Processing.

interpolating colors using the patch command
I am using MATLAB to create a scene generation program to simulate a missile f... Matlab DSP

Reg. testing in matlab
im doing project in matlab im creating UI in matlab.. for testing the... Matlab DSP

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Freescale DSPs  |  1654 members

Technical discussions about Freescale (Motorola) DSPs (including the DSP56000, DSP56300, DSP56600, 56800 DSPs).

overlaying modules at runtime
Hi all, I have run in to memory problem (internal data memory (x- and y-) as we... Freescale DSPs

SPI software
Hi All, i am developing SPI interface for DSC 56F805 using CodeWarrior IDE ... Freescale DSPs

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Speech Recognition  |  1278 members

Technical discussions about the implementation and research of speech recognition algorithms.

vowel recognition/classifiction with changing formants
Dears List, In vowel recognition, F1 and F2 (F=formants) completely define/dis... Speech Recognition

fft in MFCC calculation
hi, in MFCC calculation when we take FFT we get complex coefficients i am confu... Speech Recognition

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Speech Coding  |  1786 members

Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)

G729a and G729 interoperability
Hi, is it possible to switch between G729 Encoder and G729a Encoder between f... Speech Coding

LPC analysis window
Hi: Which is a better LPC analysis window? Hamming or Hanning? Or, it doesn... Speech Coding

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