DSP

Shelving filter
Hi ALL, i was going through shelving filter(low pass and High pass), which is used for boosting of audio samples. my query is how this filter boosts the signal, which is the main factor. I am intrested to design this filter can anyone help me in this and when i googled for this material i dint get the... 14 Jul 2006 01:58

Flat Fading in OFDM
Dear all, I have modeled a simple OFDM modem using MATLAB. The model works fine for AWGN channel, but when it comes to flat fading it does not follow the theoretical curves. To implement the channel ( r = ax+n ) I generage "a" as following: a = sqrt(0.5) * sqrt(randn( 1, ofdm_s... 25 Jul 2006 11:20

VisualAudio
Anyone here used VisualAudio from Analog? Dirk ... 13 Jul 2006 10:13

Address Regisrer?
I have just new to degugger. It shows the data registers and address registers. Data registers contatin the data values for the different variables. But what the address registers holds? Does address register A1 holds the address for the Data register D1? what is the exact relationship between the data register an... 12 Jul 2006 19:35

Convolution cycles
I am using TI's imaging libraries to do a 3x3 convolution. The documentation states the following "Cycles = 9 * cols/2 + 44 For cols = 256, cycles = 1196". I see a much higher cycle count (factor of 100 over) when I profile even the simplest use of this function on a DSK6416. Code : begin = clock (); IM... 7 Jul 2006 13:07

FFT result not symetrical?
Quick question, I'm testing one of my own FFT routines with an input as a complex waveform, I'm not sure what kind of output i'm suppose to get, but one of the most obvious features is that the real part of the result is not symmetrical ... is it possible to get a FFT result with such a feature or is my routine incor... 8 Jul 2006 10:38

CCTV signal detector
Hi folks. Is there such a thing as a CCTV Signal Detector available somewhere? The thing I have in mind would be placed in various spots in a CCTV system in order to detect if a valid TV signal comes through to each of the sensors. Basically, this device would detect and help locate breaches in the transmission ... 4 Jul 2006 07:03

A Text book on DSP!
Hi all, I have two questions and would be very grateful for getting answers. 1) Can someone recomend a good Text book on DSP? Which is simple to understand and explains every thing which can be included in a reasonable DSP curriculum. 2) Here is this book, "Introduction to Applied Mathematics" by Gilbert Str... 28 Jun 2006 23:32

DSP Hardware
Sorry about the double email; but I have one question that I forgot. It's pretty likely that I'm eventually going to have some questions about DSP chips, programming them, building hardware around them, etc. Is this maillist the right place to ask those kinds of questions? Thanks again, Jason Cipriani ... 21 Jun 2006 18:30

PSD in ZP-OFDM and CP-OFDM
Hi all.... I just simulated the Zero-Padding OFDM and Cyclic-Prefix OFDM system... I found some difference between their power spectrum density... In CP-OFDM, the in-band ripple is larger than ZP-OFDM... But in out-of-band, the ZP-OFDM is larger than CP-OFDM.... I just got the conclusion through simulation... How... 4 Jul 2006 07:03