[LAU] Extracting a single cycle wave from an audio sample

Hey hey everyone,
is there a tool to extract a single cycle wave from sampled audio
automatically without control by sight? I want to extract such a wave from a
voice sample. It won't be singing but talking. That way finding pitch and
experimenting looks difficult for me.

If at all possible, I'm looking for a non graphical utility.

Thank you for suggestions!

Ta-ta

----
Ffanci
* Internet: http://freeshell.de/~silvain
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