Here is my attempt to build acoustic panels for my drum room. No special equipment or materials needed. It won't hurt your budget either. And still these panels do wonders!
Jellyfish in Space by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1500030
Artist: http://incompetech.com/
