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Raspberry Pi for Secret Agents by Stefan Sjogelid

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Listening in on conversations from a distance

What if we want to listen in on some event, live as it goes down, but from a safe distance away from where the Pi's recording—exactly like a baby monitor?

We would need a way of broadcasting whatever is recorded across a network to another computer that we can listen to. Actually, we already have everything required to do this, SSH and SoX; one just have to know how to compose the command lines to wield these powerful tools.

Listening on Windows

You should have the full PuTTY suite installed from the Connecting to the Pi from Windows section from Chapter 1, Getting Up to No Good, as we will be using the plink command for this example.

  1. To download SoX for Windows, visit http://sourceforge.net/projects/sox/files/sox/ ...

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