Obiwan 开坛元勋 VIP 注册 2002-05-09 消息 9,900 荣誉分数 166 声望点数 223 所在地 Ottawa 2006-06-04 #2 I copied your question and searched in Google, first one on the list is "The Difference between HDTV, EDTV, and SDTV" http://www.projectorcentral.com/video_signals.htm
I copied your question and searched in Google, first one on the list is "The Difference between HDTV, EDTV, and SDTV" http://www.projectorcentral.com/video_signals.htm