You can use one of many Skype-to-regular-phone adapters, but then you lose one of the best advantages of Skype for teleconferencing: the wider frequency range provided by Skype. Phones built for Skype support much lower and higher frequencies than the traditional telephone network can transmit (early equipment limitations and expense limited the Bell System to [...]

In GarageBand, you can select the Input Source to be Mono 1, Mono 2, or Stereo 1/2. Here’s a good reference on mono vs. stereo.
Someone needs to write an article like this one but update it for iLife ‘08.

I have a wav file of people talking. I want to turn it into text, automatically. Is there any way to do this?
The closest I got with many, many Google searches is Wikipedia’s List of speech recognition projects. Still I couldn’t find a suitable product that did what I wanted.

Audacity crashed when I was trying to maximize its window, so I lost some audio. When I restarted Audacity, it informed me that the audio might be in temp files, but Audacity can’t recover them automatically.
A quick Google Search found me this good wiki page on Windows Bugs. There’s also an FAQ page on the [...]

Let’s say you’re listening to an Internet radio station and it’s streaming music through their proprietary Flash player. You want to record this audio so you can take it with you on-the-go, say, on your iPhone or iPod. But it’s streaming, so you can’t download it. So you’re dead, right?
Nope! Audacity to the rescue. You [...]