У вашего броузера проблема в совместимости с HTML5
Patrick_Pitbullx discovered this Easter Egg: https://youtu.be/UutQV6_O1hI
I did some sound editing to it and figured out that it's actually English.
Together with Zobtzler and D3FC0N 01 we wrote down the lines, until D3FC0N 01 figured out, that it's the text from the back cover of Battlefield 2: http://www.covergalaxy.com/forum/attachments/pc/4459d1202593679-battlefield-2-300-dpi-cover-battlefield-2.jpg
Plain text: https://docs.google.com/document/d/1MbrIc8GJ6XR61XjVtOY2aKWddFOQ5ufo5HHjlMpTW5k/edit
Full history: http://battlelog.battlefield.com/bf4/forum/threadview/2955064797290915848/