The Citadel

http://www.dose.ca/Interview+Author+George+Martin+eager+world+again+Game+Thrones/6349053/story.html

http://watch.ctv.ca/news/top-picks/game-of-thrones/#clip636706

[Note: This event was a separate talk at TIFF, that took place to his public "In Conversation" event. Video of that event can be found here.]

http://www.youtube.com/watch?v=DDIZnKujSa4

http://www.sidequesting.com/2012/02/random-battle-george-rr-martin-interview/

http://www.featherfactor.com/2012/02/interview-with-george-r-r-martin.html

http://www.reddit.com/r/asoiaf/comments/ox8vg/spoilers_all_books_george_rr_martin_responds_to/

[Note: Audio's a little hard to hear (ironically), so raising the volume may be useful.]

http://www.scotcampus.com/2011/12/george-r-r-martin/

[Note: Martin appears most prominently about 7 minutes in, discussing the works of Jack Vance, and then at the 45:50 mark answering a few questions.]

http://sfsqueecast.com/2011/11/episode-6-a-song-of-thanksgiving-and-sound-problems/

http://nymag.com/daily/entertainment/2011/10/george_rr_martin_on_his_favori.html