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c# Programming Glossary: ffthttp://stackoverflow.com/questions/1377661/frequency-analyzer-in-c-sharp a look at the WPFDemo project in NAudio it performs an FFT on the incoming microphone data or sound file you play and plots..
http://stackoverflow.com/questions/170394/fast-fourier-transform-in-c-sharp I find a free very quick and reliable implementation of FFT in C# Can be used in a product or are there any restrictions..
How to get Frequency from FFT result http://stackoverflow.com/questions/4364823/how-to-get-frequency-from-fft-result to get Frequency from FFT result I have FFT result this is 2 double array real part array.. to get Frequency from FFT result I have FFT result this is 2 double array real part array and imaginary.. result share improve this question The first bin in the FFT is DC 0 Hz the second bin is Fs N where Fs is the sample rate..
C# Marshalling double* from C++ DLL? http://stackoverflow.com/questions/5072340/c-sharp-marshalling-double-from-c-dll dataReal double dataImag ... The function calculates the FFT of the two double arrays real and imaginary an returns a single..
Use convolution to find a reference audio sample in a continuous stream of sound http://stackoverflow.com/questions/5847570/use-convolution-to-find-a-reference-audio-sample-in-a-continuous-stream-of-sound my goal. After I rolled my own slow implementation without FFT I found alglib which provides a fast implementation. There is.. fast implementations of the cross correlation based on the FFT see ALGLIB . The maximum value of the correlation depends on..
http://stackoverflow.com/questions/7378391/how-to-catch-the-event-when-spectrum-of-an-audio-reached-a-specific-height-like so now my only problem is how to detect the event. I used FFT in the spectrum analyzer but I m stuck on this. How can I do.. on this. How can I do this using my current resources like FFT waveform generator spectrum analyzer etc This is what I needed.. you might overlap each sample window e.g. if your FFT size and sample window size is N 1024 then you take you first..
Beats per minute from real-time audio input http://stackoverflow.com/questions/79445/beats-per-minute-from-real-time-audio-input question Calculate a powerspectrum with a sliding window FFT Take 1024 samples double signal stream.Take 1024 Feed it to.. 1024 samples double signal stream.Take 1024 Feed it to an FFT algorithm double real new double signal.Length double imag new.. double signal.Length double imag new double signal.Length FFT signal out real out imag You will get a real part and an imaginary..
Looking for C# audio analysis libraries http://stackoverflow.com/questions/947362/looking-for-c-sharp-audio-analysis-libraries Intel Performance Primitives library for this stuff like FFT . It has a useable C# wrapper or you can call it with P Invoke..
http://stackoverflow.com/questions/170394/fast-fourier-transform-in-c-sharp or are there any restrictions c# signal processing fft share improve this question This is a free .Net open source..
How to get Frequency from FFT result http://stackoverflow.com/questions/4364823/how-to-get-frequency-from-fft-result from this result. Please help me c# signal processing fft result share improve this question The first bin in the FFT..
C# Marshalling double* from C++ DLL? http://stackoverflow.com/questions/5072340/c-sharp-marshalling-double-from-c-dll an exported function extern C __declspec dllexport double fft double dataReal double dataImag ... The function calculates.. to call this function in C#. What I'm doing is DllImport fft.dll static extern double fft double dataReal double dataImag.. What I'm doing is DllImport fft.dll static extern double fft double dataReal double dataImag and when I test it like this..
http://stackoverflow.com/questions/7378391/how-to-catch-the-event-when-spectrum-of-an-audio-reached-a-specific-height-like other instruments like bass cymbals. Thanks guys c# audio fft spectrum share improve this question So long as you can..
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