Length of dvd video in a DVDR?

[geniv]

I know there's there's several dvd video format..

as far as I know supposely

STANDARD
LONG PLAY
EXTENDED PLAY.

can someone explain to me how long each format can be in a DVDR?

I was reading the back of my new dVDRW and it there's a mode called
SLP - super long play 360 min
SEP - super extended play 480 min.


anyone got any info on encoding and authroizing the SLP and SEP format?

I'm intersted cause i got a 4.5 hour video capped in mpg2 (supposely in Extended Play format from my WinTV PVR 250). it's about 7.3 gig filesize and I"m interseted in fitting it to a single DVDR

tthanks in advance

[furball6969]

There really aren't any modes per sè although a set-top DVD recorder might name some modes so you can think of it in terms of a VCR. It's really just bitrate or quality level. How much stuff do you want to fit on one disc and how high do you want the quality to be?

With 1 hour of video you can use about 8Mbit/sec (very good)
2 hours: about 4.5Mbit/sec (decent)
3 hours: about 3Mbit/sec (OK when quality is not an issue)
4 hours: about 2.1Mbit/sec (poor)

[furball6969]

To add to my last post, a set-top dvd recorder may be programmed to use lower DVD compliant resolutions like 352x480 which would give you an approximation of VHS quality at lower bitrates like 2Mbit/sec and give better quality than using full DVD resolution of 720x480 at that same bitrate.

[Cyrl]

yeah 352x480 at a variable bit rate with a nominal BR of 2mbit/sec can be quite acceptable when recorded from a decent source, you can fit just shy of 5 hours (like 295 minutes or so) on a single DVD+R(W) in that mode, I tend to put 7 hour long TV shows per disc (roughly 42 minutes each after commercials are removed). They get a little blocky in high motion sections but being VBR helps that a bit giving those high action scenes a bit more bitrate to deal with

[thxkid]

even though the rates or VBR on a settop DVD recorder this what I have seen on the set speeds I have done, even though there is the FR speed which is the bitrate to fit the time you set on the timer example a SP is 2 hours at 4.5 VBR but if the movie is say 90min. you can set the record speed at FR under timer and get the movie to fit the entire DVDR in 90min. at around 6700 bitrate.

also the XP-1hour mode is 9500 bitrate on my Panasonic E20 and the SP 2 hour is 5000, actually they very

XP - 8000 to 9500 VBR
SP - 3700 to 6000 VBR
LP - 2000 to 3000 VBR
EP- cuts resolution in half and still does 2000 to 3000 VBR

even thought they call these

XP - 1hour 9500
SP - 2 hour 5000
LP - 4 hour 2500
EP - 6 hour 2500 - lower resolution

[Vejita-sama]

I've put 5:15 of footage on a DVD-R. 13x 24:15 eps. From a 640x480 super high quaility DivX source, encoded to 352x480 video at 1850kbit/s and audio at 128kbit/s. Used CCE with 3pass VBR. And truth be told it looks damn good

Mind you this is very low motion video (anime tv series).

[geniv]

wow! 5:15 hours! cool.

what program do u use to author the DVDR disc? and it's completely complient?


I gotta see if I can do that.

but the thing is I have to see the quality, I use the WinTV PVR250 to do my cap. and will try to do a profile like u said and see how much I can fit and check out the quality. but over 5 hours kick ass

thanks for the tip.

[furball6969]

geniv:

He said it was a low motion anime TV series. You could probably put 8 - 10 hours of low motin Anime on a DVD in good quality. Advantages of encoding Anime is that there are very few unique colors in the product which translates to very good compression ratios; low motin makes it that much better.

[geniv]

actually I was doing a test and download a capture "profiles" for my PVR250 and there's a setting that's
MPEG2 352x480 (halfD1)
VBR 1600-2000
Mp2 368k audio.


and did a 7 minute capture of AKIRA.

and calculated the per minute size and calculated that at ~15.4 meg a minute I can fit 4.7 hours of video into a 4.4gig dvdr

I burned a DVD with it and it works on my stand top player

the action scenes quality is acceptable and looks pretty good at low motion scene.

but bear in mind I'm recording from a DVD source with S-Video input.

not sure (more like didn't test) how it will look like from vhs or TV captures.

[kitty]

I am also capping my video8 to 1/2 D1 DVD (352x480) with the WinTV PVR 250. I have used the vcdhelp.com bitrate calc to calculate fitting a 2 hour video8 tape to 1 DVD-R and it works out to be about 4700 kbs ave, 8000 max with 384k audio.

You can use the bitrate calc to figure out the bitrate to use to get so many hours on one DVDR.

[kwag]

~6 hours at 720X480 (Full DVD quality) http://www.kvcd.net/forum/viewtopic.php?t=2073&start=540
:P ~10 hours at 352x480 (Half D-1)

Enjoy,
-kwag

[Vejita-sama]

I encoded with CCE using 3pass VBR: min=500, ave=1850, max=3000. But as I said this is low motion anime (tv series). The characters don't move that much and there are a LOT of still shots (esp of the backgrounds). For something like Akira or Escaflowne with lots of motion and effects this would NOT be a good idea.

I'm just saying that it's possible.

[kwag]

For something like Akira or Escaflowne with lots of motion and effects this would NOT be a good idea.

Well, you asked for it 8) : http://www.kvcd.net/ranma.mpg
That KDVD sample is predicted for ~5+ hours (Anime) at 720x480, looking just like that on ONE DVD(+-)R, and that's a very noise DVD. It's really a poorly mastered DVD.

-kwag