BBC 3 BBC 4
https://sites.google.com/site/fantafis314/podcasts
http://www.bbc.co.uk/learningenglish/
https://www.duolingo.com/welcome
http://learnenglish.britishcouncil.org/en/
http://www.free-english-study.com/
http://www.englishpage.com/
http://liceu.uab.es/~joaquim/phonetics/fon_anal_acus/herram_anal_acus.html
http://www.learnoutloud.com/Free-Audio-Video