The Helix DNA Producer is a multi-format media-encoding engine for creating streaming broadcasts, on-demand streaming content, and downloadable audio video files. It supports RealAudio, RealVideo, and Ogg Vorbis, and includes many input and output filters, variable bitrate encoding support, option for two-pass encoding, audio gain control, and Firewire support.
聽起來不錯
好像解決了 Ogg 問題
http://www.souxin.com/ 這裡有
為開放來源碼工具
是最新的 Helix RM/RMVB Producer 但目前沒圖形介面
