How-To: Make Audio Sound Like AM Radio Telephone Using Audacity
Channel: Duy Nguyen
Date: 2012-07-25

Audacity is great for many audio effects. Using a Plug-in called VST: Telephone will give you something that sounds like telephone or AM Radio quality sound.

Plug-ins for Audacity can be found here:
http://wiki.audacityteam.org/wiki/VST_Plug-ins

Direct Link to Telephone Plugin:
http://free-loops.com/vst-plugin-52.html