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read WAVE file and display WAVEFORM

Ada
i'm using C# and have been reading DX doc but cannot find the info i'm looking for.

i want to load WAVE file and display the waveform.
something similar to this:

http://www.codeproject.com/audio/wav...asp#xx489900xx

is it doable with DX 9?
can you show some code sample or doc or URL i can read more?
thanks
Nov 16 '05 #1
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