From Moyea Software:
Moyea FLV Editor supports MP3 and FLV no matter encoded with H.264, H.263, Flash 8, Flash 8 with alpha, Sorenson Spark, or Nellymoser. No matter what settings you have done to the FLV or MP3, it will perfectly keep the original quality without any loss. Besides, this program is an FLV editor with timeline which greatly simplifies the editing process. With the time-line and real-time preview, users can precisely edit any point of the FLV. You can easily trim FLV, split FLV, merge FLV, cut FLV, rip FLV video and audio, replace original FLV video, trim blank among clips on timeline, etc. There are also many other thoughtful functions: undo and redo; right-click menu on timeline for editing; and short-cut keys. Selecting the clip on Timeline, and you can use short-cut keys as following: Ctrl + A to select all; Ctrl + Z to undo or redo; Ctrl + left/right to move the clip; Ctrl + select to choose multiple clips on Timeline. While editing you can real-time preview the effect by clicking the play button. After editing, you can either export FLV or SWF with or without HTML for uploading online. If export FLV to FLV to Video Converter Pro 2, you can even convert the FLV to other formats for playback on iPod, iPhone, PSP, Xbox, Pocket PC, or other portable devices. You have many choices to share your work with your friends.