Top "Fft" questions

FFT is short for fast Fourier transform, any of a set of algorithms for quickly computing the discrete Fourier transform (DFT).

How to compute Discrete Fourier Transform?

I've been trying to find some places to help me better understand DFT and how to compute it but to …

algorithm fft complex-numbers dft
Frequency shift using FFT in Matlab

I am working on implementing BFSK modulation and demodulation with frequency hopping and I need to test my results using …

matlab fft frequency-analysis
Converting an FFT to a spectogram

I have an audio file and I am iterating through the file and taking 512 samples at each step and then …

c++ fft spectrogram intel-ipp
Is there an FFT that uses a logarithmic division of frequency?

Wikipedia's Wavelet article contains this text: The discrete wavelet transform is also less computationally complex, taking O(N) time as …

audio signal-processing fft logarithm
Extracting an amplitude list from *.wav file for use in Python

I'm having a little bit of programing and conversion trouble. I'm designing an AI to recognize notes played by instruments …

python wav fft frequency amplitude
How to convolve an image with different gabor filters adjusted according to the local orientation and density using FFT?

I'm currently working on a library to generate synthetic fingerprints using the SFinGe method (by Maltoni, Maio and Cappelli) link :…

image filter fft fingerprint wavelet
How to filter FFT data (for audio visualisation)?

I was looking at this Web Audio API demo, part of this nice book If you look at the demo, …

java audio fft visualization processing
Fourier smoothing of data set

I am following this link to do a smoothing of my data set. The technique is based on the principle …

python scipy fft smoothing
What does the FFT data in the Web Audio API correspond to?

I've used the FFT data from the Analyser node using the getByteFrequencyData method in the Web Audio API to create …

audio fft html5-audio web-audio-api
neural networks can't figure out Fourier transforms?

I'm trying to understand a few things about neural networks. First, after looking around on the web, it seems that …

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