We are all about making the sometimes incomprehensible world of audio recording easier to understand. All too often, a simple concept is made needlessly confusing by the language used. And then there are topics which really ARE difficult to grok. Room acoustics is one of those topics that can baffle (pun intended:-P) even the smartest person. However, the home recording enthusiast doesn't need to know EVERYTHING about acoustics - just a few important principles.
In a 2-part article over at AudioTuts, Rob Mayzes makes the need-to-know acoustics concepts easy to understand. Then he gives you several ideas - most totally free and a few paid - for creating your own vocal-booth-like isolation for you bedroom studio.
See his article here: http://music.tutsplus.com/tutorials/diy-vocal-booth-part-1-the-key-to-a-good-vocalvoice-recording--cms-25362 Enjoy!