I want to make such a software, which will let user:
1: select a segment of music
2: perform FFT on that segment
3: shows the frequency spectrum, thus get individual pitch of a harmony.

I know that PDL can do FFT, and GUI things can be done using Gtk2 and GooCanvas. The remained problem is: how can I get the time-amplitude data as the input of FFT? I need a parser of some main-stream format, such as mp3 or ogg. But will they provide output that can be treated as time-amplitude data?

Thanks!

In reply to Music and FFT by llancet

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