I´m trying to make开发者_Python百科 an implementation of Gaussian blur for a school project. I need to make both a CPU and a GPU implementation to compare performance.
I want numerically compute the FFT on a numpy array Y. For testing, I\'m using the Gaussian function Y = exp(-x^2). The (symbolic) Fourier Transform is Y\' = constant * exp(-k^2/4).
I have an audio player using NAudio and I would like to display a real time intensity for each frequency band.
I\'m writing a Win32 application, using just C++ and WinApi calls. I need to run an 8192-point FFT over 20ms of WAVEFORMATEX data. What would be the most e开发者_如何学Cfficient method of accomplishin
I have recorded an array[1024] of data from my mic on my Android phone, passed it through a1D forward DFT of the real data (setting a further 1024 bits to 0). I saved the array to a text file, and rep
I am having trouble understanding how I should pass PCM data from the mic to this FFT class I am using made by Piotr Wendykier (it\'s the DoubleFFT_1D class in JTransforms).
Can anybody tell me what is the problem in this code... Basically I am trying to compute the dft of the image and show it as an image on my screen.
I\'ve been playing with this now for sometime, I cant work out what I am meant to be doing here. I am reading in PCM audio data into an audioData array:
I\'m writing a c++ program for a class to do convolution in the frequency domain, and I noticed the final result had error along the corner. So I tried it out in MATLAB and got the exact same results.
For the math class I\'m taking, I have to write a program to compute the FFT of a function. We have been given the code in class. I\'m having problems entering the code in matlab because the index sta
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