Its the voltz modpack (it has galacticraft in it) and im working hard on videos well heres my channel.
http://www.youtube.com/user/alexmarioiscool
http://www.youtube.com/user/alexmarioiscool
its not the mic problem its an extremly sensitive expebsove mic its the breathibg..... ok? i didn't really understand what was going on in the video. Also maybe you should get a new mic...