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Spectral analysis: help

Mauro Casaroli MD2725 at mclink.it
Sun Mar 16 23:23:18 EST 1997

I have to realize a continous real-time spectral analysis
of an acoustic signal; therefore before I have to digitize
the input signal, with the best quality consented, that is
44 KHertz of sample and afterwards executing analysis of spectre
of frequences. The input signal have a range of frequence between
1.000 Hertz and 12.000 Hertz about. 
How can I do ?
The fast Fourier transform (FFT) it lets see the various
frequences like if were single components and I think that it
is suitable instrument to my aim. Right ?
As I want to do the everything in Windows environment,
utilizing Visual Basic 4.0, does anyone it know if exists
anything of utilizable at this end for VB ? 
For example, control already ready, libraries....

Thank you in advance.
MAC  (8-)


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