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from waveform to third-octave or fft

• To: mathgroup at smc.vnet.net
• Subject: [mg106151] from waveform to third-octave or fft
• From: Mazuego <mazuego at virgilio.it>
• Date: Sun, 3 Jan 2010 03:40:25 -0500 (EST)

Hi All
I'm new inside this newsgroup.

I'm looking for some indications to how compile a waveform (audio) file 
(for example a .wav or .uff file) to obtain a third-octave bands or fft 
graphic.

Can you suggest me, scripts, books, web sites where I can find 
indications to how can I perform this activity.

Thank you very much