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fft - FFTW audio artifacts when modifying magnitudes in ...
https://dsp.stackexchange.com/questions/70287/fftw-audio-artifacts-when-modifying-magnitudes-in-frequency-domain
FFTW audio artifacts when modifying magnitudes in frequency domain. Ask Question Asked 1 year, 4 months ago. Active 1 year, 4 months ago. ... For example, I have tried to implement a really naive filter to remove some of the frequencies in the sound. It …
c - Computing the discrete fourier transform of audio …
https://stackoverflow.com/questions/39839391/computing-the-discrete-fourier-transform-of-audio-data-with-fftw
I have download and installed FFTW for windows. The documentation is ok but I still have queries. My overall aim is to capture raw audio data sampled at 44100 samps/sec from the sound card on the computer (this task is already implemented using libraries and my code), and then perform the DFT on blocks of this audio data.
simple fftw example · GitHub
https://gist.github.com/ektor5/bfb8b08d2fa316937d24eeb36e375d7b
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FFTW - Tutorial
http://fftw.org/fftw2_doc/fftw_2.html
For example, a size 42 FFTW_BACKWARD transform will not use wisdom produced by a size 42 FFTW_FORWARD transform. The only exception to this rule is that FFTW_ESTIMATE plans can use wisdom from FFTW_MEASURE plans. Caveats in Using Wisdom. For in much wisdom is much grief, and he that increaseth knowledge increaseth sorrow. ...
mac - fftw3 example - Code Examples
https://code-examples.net/en/q/2eaa3c
Code Examples. Tags; mac - fftw3 example . How to extract frequency information from samples from PortAudio using FFTW in C (1) To convert your audio samples to a power spectrum: if your audio data is integer data then convert it to floating point; pick an FFT size (e.g. N=1024) apply a window function to N ...
fftw-example/fftw_example.c at master · undees/fftw ...
https://github.com/undees/fftw-example/blob/master/fftw_example.c
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FFTW Home Page
An audio interview of the FFTW authors is available from the RCE podcast program. Downloading Versions 3.3.10 and 2.1.5 of FFTW may be downloaded from this site. Feel free to post FFTW on your own site, but be sure to tell us so that we can link to your page and notify you of updates to the software. Literature. BibTeX file of FFTW references.
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