STYX

http://www.dtvforum.info/index.p ... 18&#entry253418

引用:

It's quite simple, all 4:3 content here is presented in 16:9 just with black on the sides. I think this is quite common. To display it in 4:3 all you do is crop 720x576 to 540x576 and then stretch that video back to a 4:3 window.