朋友抓到的愛情動作片avi檔,有的長度2h15m之類,640x480;因為多剩為mp3音效,以720x480轉回DVD,就有可能超過一張D5容量(這用DL片太浪費了);用DVD錄影機側錄有2h:08m長度極限,降低畫質又覺得差太多(等於變VCD),現不打算mp3再轉回ac3,請問是否靠流量調整可以達成塞入一張片子?或有其他方法?又如何擠入一張,抓的很準?
(有看到一張片,720x480,ac3,居然有2h52m片長,雖然看起來畫質的確沒標準值那麼好)

DVD標準規格如下,不想做一張非標準規格的,怕播放機不能放.

http://www.videohelp.com/dvd#tech

NTSC (NTSC Film)

Video:
Up to 9.8 Mbps* (9800 kbps*) MPEG2 video
Up to 1.856 Mbps (1856 kbps) MPEG1 video
720 x 480 pixels MPEG2 (Called Full-D1)
704 x 480 pixels MPEG2
352 x 480 pixels MPEG2 (Called Half-D1, same as the CVD Standard)
352 x 240 pixels MPEG2
352 x 240 pixels MPEG1 (Same as the VCD Standard)
29,97 fps*
23,976 fps with 3:2 pulldown = 29,97 playback fps (NTSC Film, this is only supported by MPEG2 video)
16:9 Anamorphic (only supported by 720x480)

Audio:
48000 Hz
32 - 1536 kbps
Up to 8 audio tracks containing DD (Dolby Digital/AC3), DTS, PCM(uncompressed audio), MPEG-1 Layer2. One audio track must have DD or PCM Audio.