Category "signal-processing"

Right method for finding 2-D Spatial Spectrum from CSD

I try to implement the spatial spectrum from the above equation (attached) Where kX, kY are the grid points in k space, C(w,r) - cross spectral densities betwe

How to add JUCE to Android app without GUI/Projuce?

I have an already working audio app for Android that uses Oboe. I found some nice plugins https://github.com/juandagilc/Audio-Effects that I'd like to add to my

Is there any way to detect edge in this situation?

I try to detect edge using python. There are hundreds of algorithms for edge detection, however, the image is very obscure and unclear. The most serious problem

Generate colors of noise in Python

I would like to use Python to generate different colors of noise, just like Wikipedia mentions : https://en.wikipedia.org/wiki/Colors_of_noise. For example, Whi

python specific frequency remove(notch filter)?

#complie by python3 only_test.py import pyaudio import numpy as np import wave import time import math #from pydub import AudioSegment #from pydub.playback imp

Implementation of scipy.signla.filtfilt in c++? [closed]

I am trying to implement scipy.signal.filtfilt function in c++ and I am wondering if there is already an implementation available of this?

How does OpenCV's DFT-based filter2D actually work?

I have issues comprehending how the filter2D method of the the OpenCV library actually works. The "standard" direct version for small kernel sizes is clear, but

Stereo to Mono wav in Python

I am loading a wav with the scipy method wavefile.read() which gives me the samplerate and the audiodata I know that this audio data if stereo is stored as a m

Delphi and Discrete Signals: Getting a fixed volume signal with fixed silence

This is a follow up on another question I already asked here How can I play a single tone or custom wave with Delphi? To make a long story short, I used MMSyst

How to generate a matrix with circle of ones in numpy/scipy

There are some signal generation helper functions in python's scipy, but these are only for 1 dimensional signal. I want to generate a 2-D ideal bandpass filte

How to extend pyWavelets to work with N-dimensional data?

This may be a question for a different forum, if so please let me know. I noticed that only 14 people follow the wavelet tag. I've here an elegant way of exten

How do I compare two voice samples on iOS?

First of all I'd like to state that my question is not per say about the "classic" definition of voice recognition. What we are trying to do is somewhat differ

Compare two audio files in iOS

I want to record two voices and compare them. I think there is some Apple sample code for voice recording. I have no idea about comparing two audio files. What

Compare two audio files in iOS

I want to record two voices and compare them. I think there is some Apple sample code for voice recording. I have no idea about comparing two audio files. What