Until June 1, 2010 you can get the full version of "Audio Detector" totally free of charge!
Simply write a short review or a testimonial at your home page, or at your personal page in any social network websites (Facebook, Digg, Twitter etc).
You can also recommend the program in Yahoo. Answers, at some internet forum and so on.
A review must contain the following link to "Audio Detector": Sound detection and microphone monitoring software.
"Audio Detector" is distributed on the "Try before buy" principle.
Normal price is $19."but what is it?"
Would you like to know what is happening when you're out? "Audio Detector" software offers you such capability! All you need is:
* a computer,
* any computer microphone
* and "Audio Detector" software!
When you're to go out, simply leave your PC turned on, plug in a microphone and run "Audio Detector". The program analyzes every sound coming from a microphone. If the sound volume exceeds the predefined threshold, the program automatically starts the recording, compressing the sound into the WMA format.
Edited for a Disclaimer
I haven't tried it and have no idea if it is any good