DVD2One 1.40目前看到預設值是濃縮成4.3GB(DVD-5)格式一張，另有User define可調整，不過我用的結果User define指定成我寫的680MB(想說濃縮成一張CD Size)，卻是無法成功，改天試試另一個Join mode看看．

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The join mode is a very powerful new feature of DVD2one V1.3. It can be used for many things:

Joining a movie that has been spread over 2 sides of a disk (aka "flipper") or even over 2 disks.
Joining of different episodes of a (tv) series on 1 disk.
Adding a music video, documentary or featurette after the main movie.
Adding an intro (for instance THX or Dolby) before the main movie.
Or any combination of the above possibilities !
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使用join mode時我這邊發現到一點，也就是欲合併兩片的話，必須同時準備２個source drive，合併三片的話應該就是準備三台，因為所有要用到的來源片編輯時都必須事先置入，有錯請指正．