3 hours on one dvd

[Gondor]

hello
how is is possible to watch one movie 3 hours and more on one dvd while i read in here that dvd can fit about 20 or 30 minutes of video ? i already saw movies on 1 dvd only so why this big difference in movie dvd and personal home made dvds ?

[fmctm1sw]

The amount of video you can fit o a DVD is solely a function of bitrate. 3 hours may be pushing it unless you use 352x480 with 2 pass VBR.

[zak_swan]

pml the guy thinks u can only get 30 mins on a DVD and u are talking about bitrate and 2 pass VBR

[zak_swan]

not disrespecting your information fmctm just watching it fly right over gondor's newbie head

[thor300]

I guess Gondor read in the DV forum about those 20-30 minutes. DV is 20 minutes on a DVD, that is virtually uncompressed video from digital videocams. We DV users often worry about archiving our unedited/uncompressed video, some store them to DVD and some keep the tapes, but i think what we have in common is that we never use the archived DV footage.

[fmctm1sw]

not disrespecting your information fmctm just watching it fly right over gondor's newbie head

No problem. I was kind of confused by the original post... Let me try it this way: You can fit as much video as you want on a DVD. The more video, however, the lower the bitrate. The lower the bitrate, the lower the quality gets. To a point, you can offset this by using a smaller DVD compliant frame size like 352x480 or even 352x240. Using variable bitrate, you can distribute bitrate better over the course of the video which can provide further benefits. Better? Once again, I've been though....