Windows Media Encoder 4.0 246   Athlon 1.33GHz 
                          223   Athlon 1.2GHz
                          311   Pentium 4 1.5GHz

SSE搭載AthronまたはEnhanced 3D Now!対応のMP4C32.DLLまだぁ？(;´Д`)

http://www.watch.impress.co.jp/pc/docs/article/20010322/hotrev100.htm