用NetTransport可下
http://music.cein.or.kr/technote/board/dongkam/upfile/%EB%A1%9C%EB%AF%B8%EC%98%A4%EC%A3%BC%EC%A0%9C%EA%B0%80.asf
http://music.cein.or.kr/technote/board/dongkam/upfile/%EB%A1%9C%EB%AF%B8%EC%98%A4%EC%A3%BC%EC%A0%9C%EA%B0%80.asf