Started by 1 year ago7 replieslatest reply 4 days ago477 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

## Noise aliasing with CIC filter

Started by 7 hours ago3 replieslatest reply 39 minutes ago46 views
Hi,Would the amount of noise aliasing/folding back into signal band change as we change decimation ratio of the CIC filter. (Assume the input has white noise)In...

## Frequency Interpolation Algorithms

Started by 2 days ago9 replieslatest reply 23 hours ago73 views
I'm currently doing a project to analyze the spectral components of an environmental signal. In that case I'm using STFT.  But now im stuck due to i have bunch...

## Audio FFT Filter, noisy clicks

Started by 2 days ago14 replieslatest reply 1 day ago70 views
Well, not a filter exactly, just an FFT in-out test.  I got a simple test program in a loop (using fftw) * Read 2048 samples of audio at 48000 (16 bits stereo,...

## Differential encoder simulation

Started by 1 week ago7 replieslatest reply 6 days ago51 views
Hello,I am studying the following differential encoder:where the quantizer is defined as $$Q(y) = \text{sgn}(y)$$and I would like to be sure I understand it correctly,...

## Floating Point to Fixed Point Conversion

Started by 2 weeks ago11 replieslatest reply 7 days ago95 views
Hi!I am working on converting a floating point MATLAB code into fixed point C code. The code is to be run on a DSP platform, the specifics of which are yet to be...

## Differential frequency measurement

Started by 2 weeks ago12 replieslatest reply 1 week ago79 views
Hi all:Can anyone suggest a good way of doing DTMF-like tone detection by determining the (known) frequency difference between limited time duration tone-pairs?...

## Frame Synchronization ZigBee

Started by 1 week ago33 views
Hi, If my understanding is correct, most of the 802.15.4 receiver implementations perform frame synchronization i.e. find the start of the frame using the preambles...