Top "Signal-processing" questions

AKA digital signal processing (DSP).

Remove noise from wav file, MATLAB

I've only used MATLAB as a calculator, so I'm not as well versed in the program. I hope a kind …

matlab audio signal-processing wav noise-reduction
How do I run a high pass or low pass filter on data points in R?

I am a beginner in R and I have tried to find information about the following without finding anything. The …

r signal-processing frequency-analysis
Plotting FFT on octave

I know that FFT changes a function in the time domain to one showed in the frequency domain. However, when …

plot signal-processing fft octave
Proper way to add noise to signal

In many areas I have found that while adding noise, we mention some specification like zero mean and variance. I …

matlab signal-processing noise
Beats per minute from real-time audio input

I'd like to write a simple C# application to monitor the line-in audio and give me the current (well, the …

c# audio signal-processing
Understanding FFT output

I need some help understanding the output of the DFT/FFT computation. I'm an experienced software engineer and need to …

java audio signal-processing accelerometer fft
How to detect significant change / trend in a time series data?

So I have an array of say 25 samples and I would want to be able to note the trends of …

algorithm statistics real-time signal-processing numerical
MATLAB 'spectrogram' params

I am a beginner in MATLAB and I should perform a spectral analysis of an EEG signal drawing the graphs …

matlab signal-processing spectrogram
identifying phase shift between signals

I have generated three identical waves with a phase shift in each. For example: t = 1:10800; % generate time vector fs = 1; % sampling …

matlab signal-processing phase
Reverb Algorithm

I'm looking for a simple or commented reverb algorithm, even in pseudocode would help a lot. I've found a couple, …

c++ signal-processing