fft - Draw Spectrogram STFT in C#, what function can I use? -

assume have stft (short time fourier transform) data, how these can displayed on picture box spectrogram of frequency vs time, function in c# can use ?

the wpf sound visualization library isn't bad type of thing, although doesn't have spectrograph control.

• wpf sound visualization library
• codeplex project source

while not .net implementation audacity open source. may able poke around in there , see how created spectrograph control

• audacity source

there matlab code here should allow need

• matlab code stanford.edu