Top "Signal-processing" questions

AKA digital signal processing (DSP).

scipy signal find_peaks_cwt not finding the peaks accurately?

I've got a 1-D signal in which I'm trying to find the peaks. I'm looking to find them perfectly. I'm …

python scipy signal-processing image-segmentation
What is the difference between filter and conv in Matlab?

I am trying to calculate the output of a LTI system. I came across two different Matlab functions that are …

matlab signal-processing convolution
What is a spectrogram and how do I set its parameters?

I am trying to plot the spectrogram of my time domain signal given: N=5000; phi = (rand(1,N)-0.5)*pi; a = …

matlab signal-processing fft spectrogram
Looking for a good C/C++ wavelet library for signal processing

Does anyone know of a good C/C++ wavelet library for signal processing? The signal is float or double valued, …

c++ c signal-processing wavelet
Downsampling and applying a lowpass filter to digital audio

I've got a 44Khz audio stream from a CD, represented as an array of 16 bit PCM samples. I'd like to …

audio signal-processing pcm downsampling
MATLAB code for calculating MFCC

I have a question if that's ok. I was recently looking for algorithm to calculate MFCCs. I found a good …

matlab signal-processing speech-recognition mfcc
What is the difference between Linear Quantization and Non-linear Quantization?

What is the difference between Linear Quantization and Non-linear Quantization ? I'm talking with regard to PCM samples. http://www.blurtit.…

signal-processing pcm sampling quantization
Audio input through headphone jack in Android?

I am trying to get audio input through the headphone jack for my final year project. It would be a …

android audio signal-processing audio-recording
How to implement an Equalizer

I know there are a lot of questions about equalizers in so, but I didn't get what I was looking. …

java signal-processing fft equalizer
how to smooth a curve in python

I have an entropy curve (1d numpy array) but this curve has a lot of noise. I would like to …

python numpy signal-processing gaussian smoothing