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LMS Problem   [2 Articles]

Hi I'm implementing a LMS algorithm on a fixed point process C6201, The LMS dosen't seem to be stable when it was to be run for a very long time. for exampl...

LMS drifting problem

Hi everyone, I'm implementing a LMS algorithm in a c6201 dsp chip. I'm therefore using a finite precision LMS algorithm. I encountered weight drifting problem. I ha...

Using the LMS algorithm to cancel noise.

Hi all, I'm a newbie so bear with me. I'm trying to carry out noise cancellation on speech using the LMS algorithm but i'm having no luck at doing so. It was successful when...

LMS algorithm

Hi everyone, Has anyone use a C6201 dsp chip and written a lms algorithm on it. this will be a finite precision adaptive filtering. I'm facing problem on th...

Re: Using the LMS algorithm to cancel noise.

> > Hi all, > > I'm a newbie so bear with me. I'm trying to carry out noise > cancellation on speech using the LMS algorithm but i'm having no luck > at doing so. It w...

equivalent instruction for LMS   [2 Articles]

Hi everybody, I'm new to c64x/c64x+ programming. i have good exposure to c55x and worked on it for 3yr.s. I'm trying to find the equivalent instruction for LMS(which is ver...

Help!!! about the realtime implementation about LMS and NLMS

I am using the c6701 chip. And using C, I implemented the LMS algorithm... But for the calculation time, it cannot operate as a system identifier. I inserted...

Regarding Extra Memory usage

Hello, I am working on TMS6713.I want to build some dsp programs like system identification (using lms,rls,FLANN) in dsp processor. I have written the same program ...

Adaptive Noise Cancellation using the RLS algorithm.

Hi all, I'm trying to implement the RLS alogrithm for noise cancellation in C with the TMS320C6711DSK but dont know how to initialize and set parameters like the P matrix usi...

Q.15 data operations

hi i a implementing a fixed point adaptive FIR realtime filter on a 6713 DSK. I take in the input from the codec and store it in a buffer of datatype short. The word length fr...

Daughter Cards for the C6711 DSK   [2 Articles]

Hi.... My name is Kareem and I am working on a senior design project at the University of Missouri, Kansas City. I am designing a noise cancelling headphone uing ac...

Unable to perform adaptive filtering in C6713   [2 Articles]

Hi I have been trying to modify one of the exercise codes given in Dr Rulp Chassaings Book 'Digital Signal Processing with the C6713 and C6416 DSK," Wiley, 2005. Ive attached ...

help algorithm implementation in DSP

Hi all, I'm looking around some example code for Constant Modulas Algorithm(CMA) which is applicable for TMS320C6701. I will use it for antenna array processing. It...

Re: Adaptive Noise Cancellation using the RLS algorithm.

Hi Cynthia, My name is Miguel Cotanilla and I am currently studying Telecommunications Engineering at a Spanish University. I have the same problem of you, I am trying to put...

Reading right and left channel stereo inputs with C6711DSK and PCM3003 codec.   [2 Articles]

Hello all, I'm new to DSP and this is my first post. Im trying to carry out noise cancellation using the C6711DSK and the PCM. My noise and desired signals are on two sepera...

tms320c6701 and DSP bios   [2 Articles]

I'm using c6701 based TI DSP board with JTAG and CCS ver2.0. I'm implementing FX-LMS algortihm;  to do real time debugging I'm trying to use DSP bios, however, I...

optimizing C code for c6701   [2 Articles]

Hi, I'm implementing fx-LMS algorithm on c6701. However, system seems not be able to catch up the real time deadlines. I've seen in assembly codes generated that...

Re: Daughter Card Interface to 6711 DSK

Hi, You probably could interface that card to the DSK. However there are companies that sell daughter cards with stereo CODECs on board. Integrated DSP www.i...

Re: short to single precision floating point conversion   [2 Articles]

Jeff & Nero, Thanks a lot for both of the replies. (Jeff) The algorithm is an adaptive noise cancellation algorithm ( LMS ) which involves multiplication by a what is kno...

Re: Simple and efficient C-code for FIR filtering

Thanks a lot for this tip :) I didn't even know where to look for something useful and free of charge... I've downloaded a couple of pdfs and will check them out as soon a...

Re: sample-by-sample FIR optimized   [4 Articles]

One final suggestion and I will let you get on with it. You can optimize the code to use the LDDW if you copy your input data into *two* buffers, one odd aligned an...

Fw: tms320c6701 and DSP bios   [2 Articles]

Thanks to everyone replyed to my mail.Below is the description of what I have tried. So I still need your valuable advices. Thanks in advance. Faysal, > H...

Fwd: Re: Daughter Card Interface to 6711 DSK   [2 Articles]

Hello, Another daughter card that you might consider using is the one sold by TI, which also uses the PCM3003 stereo codec. The part number is: TMDX326040A. ...