Help: How to verify working microphone

[Andreas Tille <andreas@an3as.eu>]

Hi,

I plan to do a mumble interview and I would like to be prepared that
everything works right.  What is the simplest way to verify that the
microphone is working (what program to use to do a sound record).
I tried kluppe but have no idea how to use it correctly.

Thanks for any tip

    ANdreas.

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